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  • Retinal Blood Vessel Segmentation Using Line Operators and Support Vector Classification

    Elisa Ricci, R. Perfetti

    IEEE Transactions on Medical Imaging · 2007

    876
  • Deep Learning for Classification and Localization of COVID-19 Markers in Point-of-Care Lung Ultrasound

    Subhankar Roy, Willi Menapace, Sebastiaan Pascal Oei, Ben Luijten, Enrico Fini, Cristiano Saltori, Iris A. M. Huijben, Nishith Chennakeshava, +14 more

    IEEE Transactions on Medical Imaging · 2020

    597
  • Learning Deep Representations of Appearance and Motion for Anomalous Event Detection

    Dan Xu, Elisa Ricci, Yan Yan, Jingkuan Song, Nicu Sebe

    British Machine Vision Conference (BMVC) · 2015

    This work proposes Appearance and Motion DeepNet (AMDN) which utilizes deep neural networks to automatically learn feature representations, and introduces a novel double fusion framework, combining both the benefits of traditional early fusion and late fusion strategies.

    550
  • Detecting anomalous events in videos by learning deep representations of appearance and motion

    Dan Xu, Yan Yan, Elisa Ricci, Nicu Sebe

    Computer Vision and Image Understanding · 2016

    A novel double fusion framework is introduced, combining the benefits of traditional early fusion and late fusion strategies, which is extensively evaluated on publicly available video surveillance datasets including UCSD pedestian, Subway, and Train, showing competitive performance with respect to state of the art approaches.

    474
  • Multi-scale Continuous CRFs as Sequential Deep Networks for Monocular Depth Estimation

    Dan Xu, Elisa Ricci, Wanli Ouyang, Xiaogang Wang, Nicu Sebe

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2017

    This paper addresses the problem of depth estimation from a single still image by designing a novel CNN implementation of mean-field updates for continuous CRFs and demonstrates the effectiveness of the proposed approach and establishes new state of the art results on publicly available datasets.

    466
  • Animating Arbitrary Objects via Deep Motion Transfer

    Aliaksandr Siarohin, Stéphane Lathuilière, Sergey Tulyakov, Elisa Ricci, Nicu Sebe

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2019

    This paper introduces a novel deep learning framework for image animation that generates a video in which the target object is animated according to the driving sequence through a deep architecture that decouples appearance and motion information.

    400
  • Modeling the Background for Incremental Learning in Semantic Segmentation

    Fabio Cermelli, Massimiliano Mancini, Samuel Rota Bulò, Elisa Ricci, Barbara Caputo

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2020

    This work revisits classical incremental learning methods, and proposes a new distillation-based framework which explicitly accounts for a semantic distribution shift, and introduces a novel strategy to initialize classifier's parameters, thus preventing biased predictions toward the background class.

    386
  • Structured Attention Guided Convolutional Neural Fields for Monocular Depth Estimation

    Dan Xu, Wei Wang, Hao Tang, Hong Liu, Nicu Sebe, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2018

    This paper introduces a novel approach for monocular depth estimation which is competitive with previous methods on the KITTI benchmark and outperforms the state of the art on the NYU Depth V2 dataset.

    348
  • Self-Adaptive Matrix Completion for Heart Rate Estimation from Face Videos under Realistic Conditions

    Sergey Tulyakov, Xavier Alameda-Pineda, Elisa Ricci, Lijun Yin, Jeffrey F. Cohn, Nicu Sebe

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2016

    340
  • AutoDIAL: Automatic Domain Alignment Layers

    Fabio Maria Carlucci, Lorenzo Porzi, Barbara Caputo, Elisa Ricci, Samuel Rota Bulò

    IEEE International Conference on Computer Vision (ICCV) · 2017

    Opposite to previous works which define a priori in which layers adaptation should be performed, this method is able to automatically learn the degree of feature alignment required at different levels of the deep network.

    337
  • A Unified Objective for Novel Class Discovery

    Enrico Fini, Enver Sangineto, Stéphane Lathuilière, Zhun Zhong, Moin Nabi, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2021

    A UNified Objective function (UNO) for discovering novel classes, with the explicit purpose of favoring synergy between supervised and unsupervised learning, and outperforms the state of the art on several benchmarks.

    281
  • Transformer-Based Attention Networks for Continuous Pixel-Wise Prediction

    Guanglei Yang, Hao Tang, Mingli Ding, Nicu Sebe, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2021

    This paper proposes TransDepth, an architecture that benefits from both convolutional neural networks and transformers that applies transformers to pixel-wise prediction problems involving continuous labels and achieves state-of-theart performance on three challenging datasets.

    260
  • Self-Supervised Models are Continual Learners

    Enrico Fini, Victor G. Turrisi da Costa, Xavier Alameda-Pineda, Elisa Ricci, Karteek Alahari, Julien Mairal

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2022

    It is shown that self-supervised loss functions can be seamlessly converted into distillation mechanisms for CL by adding a predictor network that maps the current state of the repre-sentations to their past state.

    246
  • Learning Cross-Modal Deep Representations for Robust Pedestrian Detection

    Dan Xu, Wanli Ouyang, Elisa Ricci, Xiaogang Wang, Nicu Sebe

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2017

    The proposed approach outperforms the state-of-the-art on the challenging KAIST multispectral pedestrian dataset and it is competitive with previous methods on the popular Caltech dataset.

    237
  • Neighborhood Contrastive Learning for Novel Class Discovery

    Zhun Zhong, Enrico Fini, Subhankar Roy, Zhiming Luo, Elisa Ricci, Nicu Sebe

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2021

    This paper addresses Novel Class Discovery (NCD), the task of unveiling new classes in a set of unlabeled samples given a labeled dataset with known classes, and builds a new framework, named Neighborhood Contrastive Learning (NCL), to learn discriminative representations that are important to clustering performance.

    211
  • Unsupervised Adversarial Depth Estimation Using Cycled Generative Networks

    Andrea Pilzer, Dan Xu, Mihai Puscas, Elisa Ricci, Nicu Sebe

    International Conference on 3D Vision (3DV) · 2018

    A novel unsupervised deep learning approach for predicting depth maps and showing that the depth estimation task can be effectively tackled within an adversarial learning framework is presented.

    193
  • Unsupervised Domain Adaptation Using Feature-Whitening and Consensus Loss

    Subhankar Roy, Aliaksandr Siarohin, Enver Sangineto, Samuel Rota Bulò, Nicu Sebe, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2019

    This work proposes domain alignment layers which implement feature whitening for the purpose of matching source and target feature distributions, and leverage the unlabeled target data by proposing the Min-Entropy Consensus loss, which regularizes training while avoiding the adoption of many user-defined hyper-parameters.

    182
  • Precise widening operators for convex polyhedra

    Roberto Bagnara A, Patricia M. Hill, Elisa Ricci, Enea Zaffanella A

    Science of Computer Programming · 2005

    A framework for the systematic definition of new widening operators that are never less precise than a given widening is presented and an improvement to the well-known widening delay technique is suggested that allows one to gain precision while preserving its overall simplicity.

    181
  • 3D Object Detection From Images for Autonomous Driving: A Survey

    Xinzhu Ma, Wanli Ouyang, Andrea Simonelli, Elisa Ricci

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2023

    This paper provides the first comprehensive survey of this novel and continuously growing research field, summarizing the most commonly used pipelines for image-based 3D detection and deeply analyzing each of their components and proposing two new taxonomies to organize the state-of-the-art methods into different categories.

    180
  • Best Sources Forward: Domain Generalization through Source-Specific Nets

    Massimiliano Mancini, Samuel Rota Bulò, Barbara Caputo, Elisa Ricci

    Proceedings - International Conference on Image Processing · 2018

    This work designs a deep network with multiple domain-specific classifiers, each associated to a source domain, and introduced a domain agnostic component supporting the final classifier.

    176
  • SALSA: A Novel Dataset for Multimodal Group Behavior Analysis

    Xavier Alameda-Pineda, Jacopo Staiano, Ramanathan Subramanian, Ligia Batrinca, Elisa Ricci, Bruno Lepri, Oswald Lanz, Nicu Sebe

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2015

    This work proposes SALSA, a novel dataset facilitating multimodal and Synergetic sociAL Scene Analysis, and shows how the recorded multiple cues synergetically aid automatic analysis of social interactions.

    170
  • Predicting and Understanding Urban Perception with Convolutional Neural Networks

    Lorenzo Porzi, Samuel Rota Bulò, Bruno Lepri, Elisa Ricci

    ACM International Conference on Multimedia (ACM MM) · 2015

    A novel approach for predicting the perceived safety of a scene from Google Street View Images using a Convolutional Neural Network (CNN), significantly improving the accuracy of predictions over previous methods.

    167
  • Multitask Linear Discriminant Analysis for View Invariant Action Recognition

    Yan Yan, Elisa Ricci, Ramanathan Subramanian, Gaowen Liu, Nicu Sebe

    IEEE Transactions on Image Processing · 2014

    165
  • Boosting Domain Adaptation by Discovering Latent Domains

    Massimiliano Mancini, Lorenzo Porzi, Samuel Rota Bulò, Barbara Caputo, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2018

    A novel Convolutional Neural Network (CNN) architecture is introduced which automatically discovers latent domains in visual datasets and exploits this information to learn robust target classifiers and outperforms state-of-the-art multi-source DA methods by a large margin.

    161
  • Support Vector Machines

    Nello Cristianini, Elisa Ricci

    Encyclopedia of Algorithms · 2008

    161
  • Possibly Not Closed Convex Polyhedra and the Parma Polyhedra Library

    Roberto Bagnara A, Elisa Ricci, Enea Zaffanella A, Patricia M. Hill

    Lecture notes in computer science · 2002

    The Parma Polyhedra Library is presented, a new, robust and complete implementation of NNC convex polyhedra, concentrating on the distinctive features of the library and on the novel theoretical underpinnings.

    159
  • Egocentric Daily Activity Recognition via Multitask Clustering

    Yan Yan, Elisa Ricci, Gaowen Liu, Nicu Sebe

    IEEE Transactions on Image Processing · 2015

    155
  • Refine and Distill: Exploiting Cycle-Inconsistency and Knowledge Distillation for Unsupervised Monocular Depth Estimation

    Andrea Pilzer, Stéphane Lathuilière, Nicu Sebe, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2019

    A novel self-supervised deep model for estimating depth maps which outperforms state of the art unsupervised methods on the KITTI benchmark and exploits the inconsistency between the original and the reconstructed input frame.

    149
  • We are not All Equal

    Enver Sangineto, Gloria Zen, Elisa Ricci, Nicu Sebe

    ACM International Conference on Multimedia (ACM MM) · 2014

    This work proposes a new transfer learning method to compute personalized models without labeled target data based on learning multiple person-specific classifiers for a set of source subjects and then directly transfer knowledge about the parameters of these classifiers to the target individual.

    144
  • Harnessing Large Language Models for Training-Free Video Anomaly Detection

    Luca Zanella, Willi Menapace, Massimiliano Mancini, Yiming Wang, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2024

    This paper proposes LAnguage-based VAD (LAVAD), a method tackling VAD in a novel, training-free paradigm, exploiting the capabilities of pre-trained large language models (LLMs) and existing vision-language models (VLMs).

    139
  • Learning Deep Structured Multi-Scale Features using Attention-Gated CRFs for Contour Prediction

    Dan Xu, Wanli Ouyang, Xavier Alameda-Pineda, Elisa Ricci, Wang, Xiaogang, Nicu Sebe

    Iris (University of Trento) · 2017

    A hierarchical deep model is introduced which produces more rich and complementary representations and the novel Attention-Gated Conditional Random Fields (AG-CRFs) are proposed to refine and robustly fuse the representations learned at different scales.

    134
  • A Multi-Task Learning Framework for Head Pose Estimation under Target Motion

    Yan Yan, Elisa Ricci, Ramanathan Subramanian, Gaowen Liu, Oswald Lanz, Nicu Sebe

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2015

    132
  • First Order Motion Model for Image Animation

    Aliaksandr Siarohin, Stéphane Lathuilière, Sergey Tulyakov, Elisa Ricci, Nicu Sebe

    arXiv · 2020

    128
  • Snap Video: Scaled Spatiotemporal Transformers for Text-to-Video Synthesis

    Willi Menapace, Aliaksandr Siarohin, Ivan Skorokhodov, Ekaterina Deyneka, Tsai-Shien Chen, Anil Kag, Yuwei Fang, Aleksei Stoliar, +3 more

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2024

    Snap Video is built, a video-first model that systematically addresses the challenges of motion fidelity, visual quality and scalability in the video generation domain and proposes a new transformer-based architecture that trains 3.31 times faster than U-Nets (and is ∼4.5 faster at inference).

    122
  • Towards Recognizing Unseen Categories in Unseen Domains

    Massimiliano Mancini, Zeynep Akata, Elisa Ricci, Barbara Caputo

    Lecture notes in computer science · 2020

    CuMix (CurriculumMixup for recognizing unseen categories in unseen domains), a holistic algorithm to tackle ZSL, DG and ZSL+DG, to simulate the test-time domain and semantic shift using images and features from unseen domains and categories generated by mixing up the multiple source domains and Categories available during training.

    121
  • Space speaks: towards socially and personality aware visual surveillance

    Gloria Zen, Bruno Lepri, Elisa Ricci, Oswald Lanz

    Proceedings of the 1st ACM international workshop on Multimodal pervasive video analysis · 2010

    A camera based monitoring system that explores the relationship between proxemics, visual attention and personality traits during interaction and reports on experimental results in a natural scenario where people engage in a party.

    121
  • No Matter Where You Are: Flexible Graph-Guided Multi-task Learning for Multi-view Head Pose Classification under Target Motion

    Yan Yan, Elisa Ricci, Ramanathan Subramanian, Oswald Lanz, Nicu Sebe

    IEEE International Conference on Computer Vision (ICCV) · 2013

    120
  • Monocular Depth Estimation Using Multi-Scale Continuous CRFs as Sequential Deep Networks

    Dan Xu, Elisa Ricci, Wanli Ouyang, Xiaogang Wang, Nicu Sebe

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2018

    This paper addresses the problem of monocular depth estimation from a single still image by designing a novel CNN implementation of mean-field updates for continuous CRFs and proposes two different variations, one based on a cascade of multiple CRFs, the other on a unified graphical model.

    112
  • Automated defect detection in uniform and structured fabrics using Gabor filters and PCA

    Lucia Bissi, Giuseppe Baruffa, P. Placidi, Elisa Ricci, Andrea Scorzoni, Paolo Valigi

    Journal of Visual Communication and Image Representation · 2013

    The results show that the algorithm outperforms previous approaches in most cases, achieving a detection rate of 98.8% and a false alarm rate as low as 0.20-0.37%, whereas for heavily structured yarns misdetection rate can be as high as 5%.

    107
  • Uncertainty-Aware Contrastive Distillation for Incremental Semantic Segmentation

    Guanglei Yang, Enrico Fini, Dan Xu, Paolo Rota, Mingli Ding, Moin Nabi, Xavier Alameda-Pineda, Elisa Ricci

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2022

    A novel distillation framework, Uncertainty-aware Contrastive Distillation, that takes into account all the images in a mini-batch, enforcing similarity between features associated to all the pixels from the same classes, and pulling apart those corresponding to pixels from different classes is proposed.

    106
  • Recognizing Emotions from Abstract Paintings Using Non-Linear Matrix Completion

    Xavier Alameda-Pineda, Elisa Ricci, Yan Yan, Nicu Sebe

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2016

    97
  • Cellular Neural Networks With Virtual Template Expansion for Retinal Vessel Segmentation

    R. Perfetti, Elisa Ricci, Daniele Casali, Giovanni Costantini

    IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing · 2007

    96
  • Evaluation of CMM Uncertainty Through Monte Carlo Simulations

    Alessandro Balsamo, M. Di Ciommo, R. Mugno, Bruno I. Rebaglia, Elisa Ricci, R. Grella

    CIRP Annals · 1999

    94
  • Support Vector Machines

    Nello Cristianini, Elisa Ricci

    Encyclopedia of Algorithms · 2016

    90
  • Learning Personalized Models for Facial Expression Analysis and Gesture Recognition

    Gloria Zen, Lorenzo Porzi, Enver Sangineto, Elisa Ricci, Nicu Sebe

    IEEE Transactions on Multimedia · 2016

    89
  • Playable Video Generation

    Willi Menapace, Stéphane Lathuilière, Sergey Tulyakov, Aliaksandr Siarohin, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2021

    A novel framework for PVG is proposed that is trained in a self-supervised manner on a large dataset of unlabelled videos where the predicted action labels act as bottleneck and the network is constrained to learn a rich action space using a reconstruction loss on the generated video.

    85
  • Analyzing Free-standing Conversational Groups

    Xavier Alameda-Pineda, Yan Yan, Elisa Ricci, Oswald Lanz, Nicu Sebe

    ACM International Conference on Multimedia (ACM MM) · 2015

    This paper introduces a framework able to fuse multimodal data emanating from a combination of distributed and wearable sensors, taking into account the temporal consistency, the head/body coupling and the noise inherent to the scenario.

    80
  • A smart watch-based gesture recognition system for assisting people with visual impairments

    Lorenzo Porzi, Stefano Messelodi, Carla Maria Modena, Elisa Ricci

    Proceedings of the 3rd ACM international workshop on Interactive multimedia on mobile & portable devices · 2013

    A novel approach for gesture recognition which is based on global alignment kernels is shown to be effective in the challenging scenario of user independent recognition and is embedded into a system targeted to visually impaired which will also integrate several other modules.

    80
  • ConfMix: Unsupervised Domain Adaptation for Object Detection via Confidence-based Mixing

    Giulio Mattolin, Luca Zanella, Elisa Ricci, Yiming Wang

    IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) · 2023

    ConfMix is the first method that introduces a sample mixing strategy based on region-level detection confidence for adaptive object detector learning, and proposes a novel pseudo labelling scheme that progressively filters the pseudo target detections using the confidence metric that varies from a loose to strict manner along the training.

    78
  • Curriculum Graph Co-Teaching for Multi-Target Domain Adaptation

    Subhankar Roy, Evgeny Krivosheev, Zhun Zhong, Nicu Sebe, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2021

    This paper develops a co-teaching strategy with the dual classifier head that is assisted by curriculum learning to obtain more reliable pseudo-labels and proposes Domain-aware Curriculum Learning (DCL), a sequential adaptation strategy that first adapts on the easier target domains, followed by the harder ones.

    77
  • Towards Generalization Across Depth for Monocular 3D Object Detection

    Andrea Simonelli, Samuel Rota Bulò, Lorenzo Porzi, Elisa Ricci, Peter Kontschieder

    Lecture notes in computer science · 2020

    This work introduces MoVi-3D, a novel, single-stage deep architecture for monocular 3D object detection which builds upon a novel approach which leverages geometrical information to generate virtual views where the object appearance is normalized with respect to distance.

    77
  • AdaGraph: Unifying Predictive and Continuous Domain Adaptation Through Graphs

    Massimiliano Mancini, Samuel Rota Bulò, Barbara Caputo, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2019

    This paper presents the first deep architecture that tackles predictive domain adaptation, able to leverage over the information brought by the auxiliary domains through a graph, and presents a simple yet effective strategy that allows to take advantage of the incoming target data at test time, in a continuous domain adaptation scenario.

    77
  • Online Continual Learning Under Extreme Memory Constraints

    Enrico Fini, Stéphane Lathuilière, Enver Sangineto, Moin Nabi, Elisa Ricci

    Lecture notes in computer science · 2020

    Batch-level Distillation (BLD) is proposed, a regularization-based CL approach, which effectively balances stability and plasticity in order to learn from data streams, while preserving the ability to solve old tasks through distillation.

    76
  • Every Smile is Unique: Landmark-Guided Diverse Smile Generation

    Wei Wang, Xavier Alameda-Pineda, Dan Xu, Pascal Fua, Elisa Ricci, Nicu Sebe

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2018

    This work proposes a novel deep learning architecture named Conditional Multi-Mode Network (CMM-Net), which explicitly exploits facial landmarks for generating smile sequences and demonstrates the effectiveness of this architecture in generating realistic videos of multiple smile expressions.

    71
  • Multi-task linear discriminant analysis for multi-view action recognition

    Yan Yan, Gaowen Liu, Elisa Ricci, Nicu Sebe

    Proceedings - International Conference on Image Processing · 2013

    67
  • Delving into CLIP latent space for Video Anomaly Recognition

    Luca Zanella, Benedetta Liberatori, Willi Menapace, Fabio Poiesi, Yiming Wang, Elisa Ricci

    Computer Vision and Image Understanding · 2024

    66
  • Uncertainty-Guided Source-Free Domain Adaptation

    Subhankar Roy, Martin Trapp, Andrea Pilzer, Juho Kannala, Nicu Sebe, Elisa Ricci, Arno Solin

    Lecture notes in computer science · 2022

    63
  • Kitting in the Wild through Online Domain Adaptation

    Massimiliano Mancini, Hakan Karaoğuz, Elisa Ricci, Patric Jensfelt, Barbara Caputo

    IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) · 2018

    This work presents a new visual dataset for the kitting task, and benchmark the performance of the algorithm on the proposed dataset, showing its capability to fill the gap between the performances of a standard architecture and its counterpart adapted offline to the given target domain.

    63
  • StyLIP: Multi-Scale Style-Conditioned Prompt Learning for CLIP-based Domain Generalization

    Shirsha Bose, Ankit Jha, Enrico Fini, Mainak Singha, Elisa Ricci, Biplab Banerjee

    IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) · 2024

    This study proposes StyLIP, a novel approach for Domain Generalization (DG) that enhances CLIP’s classification performance across domains by introducing a set of style projectors that directly learn the domain-specific prompt tokens from the extracted multi-scale style features.

    62
  • Exploring Transfer Learning Approaches for Head Pose Classification from Multi-view Surveillance Images

    Anoop Kolar Rajagopal, Ramanathan Subramanian, Elisa Ricci, Radu L. Vieriu, Oswald Lanz, Kalpathi Ramakrishnan, Nicu Sebe

    International Journal of Computer Vision · 2013

    This paper examines the use of transfer learning for efficient multi-view head pose classification with minimal target training data under three challenging situations: (i) where the range of head poses in the source and target images is different, (ii) where source images captured a stationary person while target images capture a moving person whose facial appearance varies under motion due to changing perspective, scale.

    62
  • Uncovering Interactions and Interactors: Joint Estimation of Head, Body Orientation and F-Formations from Surveillance Videos

    Elisa Ricci, Jagannadan Varadarajan, Ramanathan Subramanian, Samuel Rota Bulò, Narendra Ahuja, Oswald Lanz

    IEEE International Conference on Computer Vision (ICCV) · 2015

    61
  • CoSMix: Compositional Semantic Mix for Domain Adaptation in 3D LiDAR Segmentation

    Cristiano Saltori, Fabio Galasso, Giuseppe Fiameni, Nicu Sebe, Elisa Ricci, Fabio Poiesi

    Lecture notes in computer science · 2022

    60
  • Robust Place Categorization With Deep Domain Generalization

    Massimiliano Mancini, Samuel Rota Bulo, Barbara Caputo, Elisa Ricci

    IEEE Robotics and Automation Letters · 2018

    This paper proposes a novel deep learning framework for domain generalization that exploits recent advances in deep domain adaptation and design a convolutional neural network architecture with novel layers performing a weighted version of batch normalization.

    60
  • Exploring Diffusion Models for Unsupervised Video Anomaly Detection

    Anıl Osman Tur, Nicola Dall’Asen, Cigdem Beyan, Elisa Ricci

    Proceedings - International Conference on Image Processing · 2023

    This paper investigates the performance of diffusion models for video anomaly detection (VAD) within the most challenging but also the most operational scenario in which the data annotations are not used, using a diffusion model and examining its parameters’ influence to present guidance for VAD in surveillance scenarios.

    57
  • Semi-supervised learning made simple with self-supervised clustering

    Enrico Fini, Pietro Astolfi, Karteek Alahari, Xavier Alameda-Pineda, Julien Mairal, Moin Nabi, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2023

    This paper introduces a multi-task framework merging a supervised objective using ground-truth labels and a self-supervised objective relying on clustering assignments with a single cross-entropy loss and provides empirical evidence that this approach is highly effective and achieves state-of-the-art performance on CI-FAR100 and ImageNet.

    56
  • Adding New Tasks to a Single Network with Weight Transformations Using Binary Masks

    Massimiliano Mancini, Elisa Ricci, Barbara Caputo, Samuel Rota Bulò

    Lecture notes in computer science · 2019

    This work shows that with the generalization of this approach it is possible to achieve significantly higher levels of adaptation to new tasks, enabling the approach to compete with fine tuning strategies by requiring slightly more than 1 bit per network parameter per additional task.

    56
  • Dual-Head Contrastive Domain Adaptation for Video Action Recognition

    Victor G. Turrisi da Costa, Giacomo Zara, Paolo Rota, Thiago Oliveira-Santos, Nicu Sebe, Vittorio Murino, Elisa Ricci

    IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) · 2022

    55
  • 54
  • Unsupervised Domain Adaptation for Personalized Facial Emotion Recognition

    Gloria Zen, Enver Sangineto, Elisa Ricci, Nicu Sebe

    INTERNATIONAL CONFERENCE ON MULTIMODAL INTERACTION · 2014

    A personalization approach in which only unlabeled target-specific data are required and a simplified regression framework is presented which achieves the same or even slightly superior experimental results but it is much easier to reproduce.

    53
  • SF-UDA 3D : Source-Free Unsupervised Domain Adaptation for LiDAR-Based 3D Object Detection

    Cristiano Saltori, Stéphane Lathuilière, Nicu Sebe, Elisa Ricci, Fabio Galasso

    International Conference on 3D Vision (3DV) · 2020

    SF-UDA3D outperforms both previous domain adaptation techniques based on features alignment and state-of-the-art 3D object detection methods which additionally use few-shot target annotations or target annotation statistics.

    51
  • Just DIAL: DomaIn Alignment Layers for Unsupervised Domain Adaptation

    Fabio Maria Carlucci, Lorenzo Porzi, Barbara Caputo, Elisa Ricci, Samuel Rota Bulò

    Lecture notes in computer science · 2017

    This work acts at the distribution level through the introduction of \emph{DomaIn Alignment Layers} (\DIAL), able to match the observed source and target data distributions to a reference one.

    51
  • Evaluation of non-geometric methods for visual odometry

    Thomas A. Ciarfuglia, Gabriele Costante, Paolo Valigi, Elisa Ricci

    Robotics and Autonomous Systems · 2014

    The experiments show that non-geometric VO is a good alternative, or addition, to standard VO systems, and stress the advantages of non- geometrical VO as an alternative or an addition to standard geometric methods.

    50
  • A transfer learning approach for multi-cue semantic place recognition

    Gabriele Costante, Thomas A. Ciarfuglia, Paolo Valigi, Elisa Ricci

    IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) · 2013

    50
  • Object-aware Gaze Target Detection

    Francesco Tonini, Nicola Dall’Asen, Cigdem Beyan, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2023

    A Transformer-based architecture that automatically detects objects in the scene to build associations between every head and the gazed-head/object, resulting in a comprehensive, explainable gaze analysis.

    49
  • Online Depth Learning Against Forgetting in Monocular Videos

    Zhenyu Zhang, Stéphane Lathuilière, Elisa Ricci, Nicu Sebe, Yan Yan, Jian Jun Yang

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2020

    49
  • Budget-Aware Adapters for Multi-Domain Learning

    Rodrigo F. Berriel, Stéphane Lathuilière, Moin Nabi, Tassilo Klein, Thiago Oliveira-Santos, Nicu Sebe, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2019

    Budget-Aware Adapters are introduced that select the most relevant feature channels to better handle data from a novel domain and propose a novel strategy to automatically adjust the computational complexity of the network.

    46
  • Overlap-guided Gaussian Mixture Models for Point Cloud Registration

    Guofeng Mei, Fabio Poiesi, Cristiano Saltori, Jian Zhang, Elisa Ricci, Nicu Sebe

    IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) · 2023

    A novel overlap-guided probabilistic registration approach that computes the optimal transformation from matched Gaussian Mixture Model parameters, and achieves superior registration accuracy and efficiency when handling point clouds with partial overlap and different densities on synthetic and real-world datasets.

    45
  • Class-Incremental Novel Class Discovery

    Subhankar Roy, Mingxuan Liu, Zhun Zhong, Nicu Sebe, Elisa Ricci

    Lecture notes in computer science · 2022

    45
  • Learning large margin likelihoods for realtime head pose tracking

    Elisa Ricci, Jean‐Marc Odobez

    Proceedings - International Conference on Image Processing · 2009

    45
  • Learning Large Margin Likelihood for Realtime Head Pose Tracking

    Elisa Ricci, Jean‐Marc Odobez

    Infoscience (Ecole Polytechnique Fédérale de Lausanne) · 2009

    45
  • Analog neural network for support vector machine learning

    R. Perfetti, Elisa Ricci

    IEEE Transactions on Neural Networks · 2006

    45
  • Continual Attentive Fusion for Incremental Learning in Semantic Segmentation

    Guanglei Yang, Enrico Fini, Dan Xu, Paolo Rota, Mingli Ding, Hao Tang, Xavier Alameda-Pineda, Elisa Ricci

    IEEE Transactions on Multimedia · 2022

    A novel attentive feature distillation approach to mitigate catastrophic forgetting while accounting for semantic spatial- and channel-level dependencies is introduced and a continual attentive fusion structure is proposed, which takes advantage of the attention learned from the new and the old tasks while learning features for the new task.

    44
  • A Prototype Learning Framework Using EMD: Application to Complex Scenes Analysis

    Elisa Ricci, Gloria Zen, Nicu Sebe, Stefano Messelodi

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2012

    43
  • Solo-learn: A Library of Self-supervised Methods for Visual Representation Learning

    Victor G. Turrisi da Costa, Enrico Fini, Moin Nabi, Nicu Sebe, Elisa Ricci

    arXiv · 2021

    42
  • Computer Vision – ECCV 2024

    Aleš Leonardis, Elisa Ricci, Stefan Roth, Olga Russakovsky, Torsten Sattler, Gül Varol

    Lecture notes in computer science · 2024

    41
  • Multimodal Across Domains Gaze Target Detection

    Francesco Tonini, Cigdem Beyan, Elisa Ricci

    INTERNATIONAL CONFERENCE ON MULTIMODAL INTERACTION · 2022

    40
  • Motion-supervised Co-Part Segmentation

    Aliaksandr Siarohin, Subhankar Roy, Stéphane Lathuilière, Sergey Tulyakov, Elisa Ricci, Nicu Sebe

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2021

    This work proposes a self-supervised deep learning method for co-part segmentation that develops the idea that motion information inferred from videos can be leveraged to discover meaningful object parts.

    39
  • Are we Missing Confidence in Pseudo-LiDAR Methods for Monocular 3D Object Detection?

    Andrea Simonelli, Samuel Rota Bulò, Lorenzo Porzi, Peter Kontschieder, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2021

    3D confidence estimation techniques derived from RGB-only 3D detection approaches can be successfully integrated into the framework and improved performance can be obtained with a newly designed 3D confidence measure, leading to state-of-the-art performance on the KITTI3D benchmark.

    38
  • Noise estimation in digital images using fuzzy processing

    Marcello Salmeri, Arianna Mencattini, Elisa Ricci, A. Salsano

    Proceedings - International Conference on Image Processing · 2002

    37
  • Compositional Semantic Mix for Domain Adaptation in Point Cloud Segmentation

    Cristiano Saltori, Fabio Galasso, Giuseppe Fiameni, Nicu Sebe, Fabio Poiesi, Elisa Ricci

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2023

    This study introduces compositional semantic mixing for point cloud domain adaptation, representing the first unsupervised domain adaptation technique for pointCloud segmentation based on semantic and geometric sample mixing and presents a two-branch symmetric network architecture capable of concurrently processing point clouds from a source domain and a target domain.

    36
  • Playable Environments: Video Manipulation in Space and Time

    Willi Menapace, Stéphane Lathuilière, Aliaksandr Siarohin, Christian Theobalt, Sergey Tulyakov, Vladislav Golyanik, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2022

    This work presents Playable Environments-a new representation for interactive video generation and manipulation in space and time, which allows the user to move objects in 3D while generating a video by providing a sequence of desired actions.

    36
  • Novel Class Discovery for 3D Point Cloud Semantic Segmentation

    Luigi Riz, Cristiano Saltori, Elisa Ricci, Fabio Poiesi

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2023

    A new method for NCD based on online clustering that exploits uncertainty quantification to produce prototypes for pseudo-labelling the points of the novel classes is presented, showing that it can significantly outperform the baseline.

    35
  • Joint Estimation of Human Pose and Conversational Groups from Social Scenes

    Jagannadan Varadarajan, Ramanathan Subramanian, Samuel Rota Bulò, Narendra Ahuja, Oswald Lanz, Elisa Ricci

    International Journal of Computer Vision · 2017

    A novel framework for jointly estimating head, body orientations of targets and conversational groups called F-formations from social scenes is presented, and a weakly-supervised learning algorithm for joint inference is proposed.

    34
  • How to Make an Image More Memorable?

    Aliaksandr Siarohin, Gloria Zen, Cveta Majtanovic, Xavier Alameda-Pineda, Elisa Ricci, Nicu Sebe

    ACM International Conference on Multimedia Retrieval (ICMR) · 2017

    This work shows that it is possible to automatically retrieve the best style seeds for a given image, thus remarkably reducing the number of human attempts needed to find a good match.

    33
  • Learning Deep NBNN Representations for Robust Place Categorization

    Massimiliano Mancini, Samuel Rota Bulò, Elisa Ricci, Barbara Caputo

    IEEE Robotics and Automation Letters · 2017

    Experimental results show that the proposed algorithm outperforms previous methods based on pretrained CNN models and that, when employed in challenging robot place recognition tasks, it is robust to occlusions, environmental and sensor changes.

    33
  • Learning Depth-Aware Deep Representations for Robotic Perception

    Lorenzo Porzi, Samuel Rota Bulò, Adrián Peñate-Sánchez, Elisa Ricci, Francesc Moreno-Noguer

    IEEE Robotics and Automation Letters · 2016

    This paper shows that the performance of deep architectures can be boosted by introducing DaConv, a novel, general-purpose CNN block which exploits depth to learn scale-aware feature representations in RGB-D images.

    33
  • Progressive Fusion for Unsupervised Binocular Depth Estimation Using Cycled Networks

    Andrea Pilzer, Stéphane Lathuilière, Dan Xu, Mihai Puscas, Elisa Ricci, Nicu Sebe

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2019

    This paper introduces a new network architecture, named Progressive Fusion Network (PFN), that is specifically designed for binocular stereo depth estimation, based on a multi-scale refinement strategy that combines the information provided by both stereo views.

    32
  • Inferring Latent Domains for Unsupervised Deep Domain Adaptation

    Massimiliano Mancini, Lorenzo Porzi, Samuel Rota Bulò, Barbara Caputo, Elisa Ricci

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2019

    A novel deep architecture which addresses the problem of UDA by automatically discovering latent domains in visual datasets and exploiting this information to learn robust target classifiers is introduced, showing that it outperforms state-of-the-art domain adaptation methods.

    32
  • 18th European Conference on Machine Learning (ECML07)

    Elisa Ricci, Bie Tijl De, Nello Cristianini

    2007

    32
  • Rethinking Few-Shot Adaptation of Vision-Language Models in Two Stages

    Matteo Farina, Massimiliano Mancini, Giovanni Iacca, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2025

    This work starts by analyzing the learning dynamics of PEFT techniques when trained on few-shot data from only a subset of categories, and shows that such dynamics naturally splits into two distinct phases: task-level feature extraction and specialization to the available concepts.

    31
  • Test-Time Zero-Shot Temporal Action Localization

    Benedetta Liberatori, Alessandro Conti, Paolo Rota, Yiming Wang, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2024

    A novel method that performs Test-Time adaptation for Temporal Action Localization (T3AL), which adapts a pre-trained Vision and Language Model (VLM) and demonstrates that T3AL significantly outperforms zero-shot baselines based on state-of-the-art VLMs, confirming the benefit of a test-time adaptation approach.

    29
  • Learning Contours for Automatic Annotations of Mountains Pictures on a Smartphone

    Lorenzo Porzi, Samuel Rota Bulò, Paolo Valigi, Oswald Lanz, Elisa Ricci

    International Conference on Distributed Smart Cameras · 2014

    An AR application for mobile phones to augment pictures of mountainous landscapes with geo-referenced data (e.g. the peaks' names, positions of mountain dews or hiking tracks) is presented, based on a novel approach for image-to-world registration, which exploits different information collected with on-board sensors.

    29
  • Visual-inertial tracking on Android for Augmented Reality applications

    Lorenzo Porzi, Elisa Ricci, Thomas A. Ciarfuglia, Michele Zanin

    IEEE Workshop on Environmental, Energy, and Structural Monitoring Systems (EESMS) · 2012

    29
  • A novel machine learning-based framework for the water quality parameters prediction using hybrid long short-term memory and locally weighted scatterplot smoothing methods

    Ana Dodig, Elisa Ricci, Goran Kvaščev, Milan Stojković

    Journal of Hydroinformatics · 2024

    This work proposes a novel hybrid approach for water quality parameters prediction combining DL with data smoothing method, which demonstrates that LSTM outperforms the baseline method, with an R2 score up to 0.9998 and RMSE of 0.0230 on the test set for dissolved oxygen.

    28
  • Promptable Game Models: Text-guided Game Simulation via Masked Diffusion Models

    Willi Menapace, Aliaksandr Siarohin, Stéphane Lathuilière, Panos Achlioptas, Vladislav Golyanik, Sergey Tulyakov, Elisa Ricci

    ACM Transactions on Graphics · 2023

    A Promptable Game Model (PGM), which significantly outperforms existing neural video game simulators in terms of rendering quality and unlocks applications beyond the capabilities of the current state-of-the-art.

    28
  • Probabilistic Graph Attention Network with Conditional Kernels for Pixel-Wise Prediction

    Dan Xu, Xavier Alameda-Pineda, Wanli Ouyang, Elisa Ricci, Xiaogang Wang, Nicu Sebe

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2020

    Quantitative and qualitative results demonstrate the effectiveness of the proposed latent AG-CRF model and the overall probabilistic graph attention network with feature conditional kernels for structured feature learning and pixel-wise prediction.

    28
  • Inferring painting style with multi-task dictionary learning

    Gaowen Liu, Yan Yan, Elisa Ricci, Yi Ping Yang, Yahong Han, STEFAN S. WINKLER, Nicu Sebe

    Institutional Research Information System (Università degli Studi di Trento) · 2015

    This paper presents a novel dictionary learning approach to automatically uncover the artistic style from paintings, by automatically decoupling style-specific and artist-specific patterns, and shows that this approach significantly outperforms state-of-the-art methods.

    28
  • Democratizing Fine-grained Visual Recognition with Large Language Models

    Mingxuan Liu, Subhankar Roy, Wenjing Li, Zhun Zhong, Nicu Sebe, Elisa Ricci

    arXiv · 2024

    This work proposes Fine-grained Semantic Category Reasoning (FineR) that internally leverages the world knowledge of large language models (LLMs) as a proxy in order to reason about fine-grained category names.

    27
  • A soft nearest-neighbor framework for continual semi-supervised learning

    Zhiqi Kang, Enrico Fini, Moin Nabi, Elisa Ricci, Karteek Alahari

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2023

    This paper proposes an approach for continual semi-supervised learning—a setting where not all the data samples are labeled, and leverages the power of nearest-neighbor classifiers to nonlinearly partition the feature space and flexibly model the underlying data distribution thanks to its non-parametric nature.

    27
  • AutoLabel: CLIP-based framework for Open-Set Video Domain Adaptation

    Giacomo Zara, Subhankar Roy, Paolo Rota, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2023

    This work proposes AutoLabel that automatically discovers and generates object-centric compositional candidate target-private class names and shows that CLIP when equipped with AutoLabel can satisfactorily reject the target- private instances, thereby facilitating better alignment between the shared classes of the two domains.

    27
  • GIPSO: Geometrically Informed Propagation for Online Adaptation in 3D LiDAR Segmentation

    Cristiano Saltori, Evgeny Krivosheev, Stéphane Lathuilière, Nicu Sebe, Fabio Galasso, Giuseppe Fiameni, Elisa Ricci, Fabio Poiesi

    Lecture notes in computer science · 2022

    27
  • Multimodal Emotion Recognition with Modality-Pairwise Unsupervised Contrastive Loss

    Riccardo Franceschini, Enrico Fini, Cigdem Beyan, Alessandro Conti, Federica Arrigoni, Elisa Ricci

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2022

    This work considers discrete emotions, and as modalities text, audio and vision are used, and end-to-end feature learning approach is the first attempt in MER literature based on contrastive loss between pairwise modalities.

    27
  • Walking Your LiDOG: A Journey Through Multiple Domains for LiDAR Semantic Segmentation

    Cristiano Saltori, Aljoša Ošep, Elisa Ricci, Laura Leal-Taixé

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2023

    This work designs the first experimental setup for studying domain generalization (DG) for LiDAR semantic segmentation (DG-LSS), and proposes the first method specifically designed for DG-LSS, which obtains 34.88 mIoU on the target domain, outperforming all baselines.

    26
  • Learning How to Smile: Expression Video Generation With Conditional Adversarial Recurrent Nets

    Wei Wang, Xavier Alameda-Pineda, Dan Xu, Elisa Ricci, Nicu Sebe

    IEEE Transactions on Multimedia · 2020

    A novel deep generative model able to produce face videos from a given image of a neutral face and a label indicating a specific facial expression, e.g. spontaneous smile is proposed.

    26
  • Knowledge is Never Enough: Towards Web Aided Deep Open World Recognition

    Massimiliano Mancini, Hakan Karaoğuz, Elisa Ricci, Patric Jensfelt, Barbara Caputo

    Proceedings - IEEE International Conference on Robotics and Automation/Proceedings · 2019

    The proposed deep network, based on a deep extension of a non-parametric model, detects whether a perceived object belongs to the set of categories known by the system and learns it without the need to retrain the whole system from scratch.

    26
  • Personalizing A Smartwatch-Based Gesture Interface With Transfer Learning

    Gabriele Costante, Oswald Lanz, Lorenzo Porzi, Elisa Ricci, Paolo Valigi

    Institutional Research Information System (Università degli Studi di Trento) · 2014

    26
  • Associative Memory Design Using Support Vector Machines

    Daniele Casali, Giovanni Costantini, R. Perfetti, Elisa Ricci

    IEEE Transactions on Neural Networks · 2006

    26
  • Boosting Deep Open World Recognition by Clustering

    Dario Fontanel, Fabio Cermelli, Massimiliano Mancini, Samuel Rota Bulo, Elisa Ricci, Barbara Caputo

    IEEE Robotics and Automation Letters · 2020

    This work shows how it can boost the performance of deep open world recognition algorithms by means of a new loss formulation enforcing a global to local clustering of class-specific features, and proposes a strategy to learn class- specific rejection thresholds.

    25
  • Online Multitask Learning for Machine Translation Quality Estimation

    José G. C. de Souza, Matteo Negri, Elisa Ricci, Marco Turchi

    Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) · 2015

    The effectiveness of the approach in a regression task (HTER prediction), in which online multitask learning outperforms the competitive online single-task and pooling methods used for comparison, indicates the feasibility of integrating in a CAT tool a single QE component capable to simultaneously serve multiple translation jobs involving different domains and users.

    25
  • Unsupervised Video Anomaly Detection with Diffusion Models Conditioned on Compact Motion Representations

    Anıl Osman Tur, Nicola Dall’Asen, Cigdem Beyan, Elisa Ricci

    Lecture notes in computer science · 2023

    24
  • Multimodal behavior analysis in the wild: An introduction

    Xavier Alameda-Pineda, Elisa Ricci, Nicu Sebe

    Elsevier eBooks · 2018

    This book describes some recent research efforts in the area of human behavior analysis, presenting methodologies for extracting behavioral cues at different levels, with special emphasis given to recent approaches considering multimodal data to robustly extract behavioral information in real-world settings.

    24
  • SHiNe: Semantic Hierarchy Nexus for Open-Vocabulary Object Detection

    Mingxuan Liu, Tyler L. Hayes, Elisa Ricci, Gabriela Csurka, Riccardo Volpi

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2024

    Semantic Hierarchy Nexus (SHiNe), a novel classifier that uses semantic knowledge from class hierarchies that enhances robustness across diverse vocabulary granularities and can be seamlessly integrated with any off-the-shelf OvOD detector, without incurring additional computational overhead during inference.

    23
  • The Unreasonable Effectiveness of Large Language-Vision Models for Source-free Video Domain Adaptation

    Giacomo Zara, Alessandro Conti, Subhankar Roy, Stéphane Lathuilière, Paolo Rota, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2023

    This work showcases the unreasonable effectiveness of integrating LLVMs for SFVUDA by devising an intuitive and parameter-efficient method, which is name Domain Adaptation with Large Language-Vision models (DALL-V), that distills the world prior and complementary source model information into a student network tailored for the target.

    23
  • Cross-Paced Representation Learning With Partial Curricula for Sketch-Based Image Retrieval

    Dan Xu, Xavier Alameda-Pineda, Jingkuan Song, Elisa Ricci, Nicu Sebe

    IEEE Transactions on Image Processing · 2018

    The cross-paced partial curriculum learning (CPPCL) framework is introduced, specifically designed to assess the learning pace by jointly handling data from dual sources and modality-specific prior information provided in the form of partial curricula.

    23
  • Viraliency: Pooling Local Virality

    Xavier Alameda-Pineda, Andrea Pilzer, Dan Xu, Nicu Sebe, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2017

    This work introduces a pooling layer that learns the size of the support area to be averaged: the learned top-N average (LENA) pooling, and assesses the effectiveness of the LENA layer by appending it on top of a convolutional siamese architecture and evaluates its performance on the task of predicting and localizing virality.

    22
  • Recurrent Correlation Associative Memories: A Feature Space Perspective

    R. Perfetti, Elisa Ricci

    IEEE Transactions on Neural Networks · 2008

    22
  • Transformers Solve the Limited Receptive Field for Monocular Depth Prediction

    Guanglei Yang, Hao Tang, Mingli Ding, Nicu Sebe, Elisa Ricci

    arXiv · 2021

    21
  • MultiDIAL: Domain Alignment Layers for (Multisource) Unsupervised Domain Adaptation

    Fabio Maria Carlucci, Lorenzo Porzi, Barbara Caputo, Elisa Ricci, Samuel Rota Bulò

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2020

    21
  • Increasing Image Memorability with Neural Style Transfer

    Aliaksandr Siarohin, Gloria Zen, Cveta Majtanovic, Xavier Alameda-Pineda, Elisa Ricci, Nicu Sebe

    ACM Transactions on Multimedia Computing Communications and Applications · 2019

    An approach based on an editing-by-applying-filters paradigm is introduced, which proposes to automatically retrieve a set of style images that, applied to the input image through a neural style transfer algorithm, provide the highest increase in memorability.

    21
  • Quantum Multi-Model Fitting

    Matteo Farina, Luca Magri, Willi Menapace, Elisa Ricci, Vladislav Golyanik, Federica Arrigoni

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2023

    This paper shows that the latter case can significantly benefit from quantum hardware and proposes the first quantum approach to multimodel fitting (MMF), and formulate MMF as a problem that can be efficiently sampled by modern adiabatic quantum computers without the relaxation of the objective function.

    20
  • Transformer-Based Source-Free Domain Adaptation

    Guanglei Yang, Hao Tang, Zhun Zhong, Mingli Ding, Ling Shao, Nicu Sebe, Elisa Ricci

    arXiv · 2021

    20
  • Simultaneous Ground Metric Learning and Matrix Factorization with Earth Mover's Distance

    Gloria Zen, Elisa Ricci, Nicu Sebe

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2014

    20
  • Personalizing vision-based gestural interfaces for HRI with UAVs: a transfer learning approach

    Gabriele Costante, Enrico Bellocchio, Paolo Valigi, Elisa Ricci

    IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) · 2014

    20
  • MARVEL: Multimodal Extreme Scale Data Analytics for Smart Cities Environments

    Dragana Bajović, Arian Bakhtiarnia, George N. Bravos, Alessio Brutti, Felix Burkhardt, Daniel Cauchi, Antony Chazapis, Claire Cianco, +22 more

    International Balkan Conference on Communications and Networking (BalkanCom) · 2021

    19
  • On the Effectiveness of LayerNorm Tuning for Continual Learning in Vision Transformers

    Thomas De Min, Massimiliano Mancini, Karteek Alahari, Xavier Alameda-Pineda, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision Workshops (ICCVW) · 2023

    This work revisits and extends a simple transfer learning idea: learning task-specific normalization layers of LayerNorm, and tunes the scale and bias parameters of LayerNorm for each continual learning task, to make the classifier robust to incorrect selection of parameters during inference.

    18
  • Graph-Based Generative Face Anonymisation with Pose Preservation

    Nicola Dall’Asen, Yiming Wang, Hao Tang, Luca Zanella, Elisa Ricci

    Lecture notes in computer science · 2022

    It is proved that AnonyGAN significantly outperforms the state-of-the-art methods in terms of visual naturalness, face detection and pose preservation.

    18
  • Unsupervised Domain Adaptation for Video Transformers in Action Recognition

    Victor G. Turrisi da Costa, Giacomo Zara, Paolo Rota, Thiago Oliveira-Santos, Nicu Sebe, Vittorio Murino, Elisa Ricci

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2022

    This approach leverages recent advances on spatio-temporal transformers to build a robust source model that better generalises to the target domain and learns domain invariant features thanks to the introduction of a novel alignment loss term derived from the Information Bottleneck principle.

    18
  • Viewing Graph Solvability via Cycle Consistency

    Federica Arrigoni, Andrea Fusiello, Elisa Ricci, Tomáš Pajdla

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2021

    18
  • TriGAN: image-to-image translation for multi-source domain adaptation

    Subhankar Roy, Aliaksandr Siarohin, Enver Sangineto, Nicu Sebe, Elisa Ricci

    Machine Vision and Applications · 2021

    This paper proposes the first approach for multi-source domain adaptation (MSDA) based on generative adversarial networks, inspired by the observation that the appearance of a given image depends on three factors: the domain, the style and the content.

    18
  • An Adaptation Framework for Head-Pose Classification in Dynamic Multi-view Scenarios

    Anoop Kolar Rajagopal, Ramanathan Subramanian, Radu L. Vieriu, Elisa Ricci, Oswald Lanz, Kalpathi Ramakrishnan, Nicu Sebe

    Lecture notes in computer science · 2013

    A transfer learning approach that incorporates reliability of the different face regions for pose estimation under positional variation, by transforming the target appearance to a canonical appearance corresponding to a reference scene location.

    18
  • Low-cost interferometric compensation of geometrical errors

    Alessandro Balsamo, Paola Pedone, Elisa Ricci, M. Verdi

    CIRP Annals · 2009

    18
  • Unsupervised Point Cloud Representation Learning by Clustering and Neural Rendering

    Guofeng Mei, Cristiano Saltori, Elisa Ricci, Nicu Sebe, Qiang Wu, Jian Zhang, Fabio Poiesi

    International Journal of Computer Vision · 2024

    This work proposes an augmentation-free unsupervised approach for point clouds to learn transferable point-level features by leveraging uni-modal information for soft clustering and cross-modal information for neural rendering, and demonstrates the effectiveness of this framework in outperforming state-of-the-art techniques.

    17
  • Semantic-Guided Inpainting Network for Complex Urban Scenes Manipulation

    Pierfrancesco Ardino, Yahui Liu, Elisa Ricci, Bruno Lepri, Marco De Nadai

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2021

    A novel deep learning model is proposed to alter a complex urban scene by removing a user-specified portion of the image and coherently inserting a new object (e.g. car or pedestrian) in that scene by leveraging the semantic segmentation to model the content and structure of theimage, and learn the best shape and location of the object to insert.

    17
  • Click to Move: Controlling Video Generation with Sparse Motion

    Pierfrancesco Ardino, Marco De Nadai, Bruno Lepri, Elisa Ricci, Stéphane Lathuilière

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2021

    Experimental results show that C2M outperforms existing methods on two publicly available datasets, thus demonstrating the effectiveness of the GCN framework at modelling object interactions.

    17
  • Recognizing Daily Activities from First-Person Videos with Multi-task Clustering

    Yan Yan, Elisa Ricci, Gaowen Liu, Nicu Sebe

    Lecture notes in computer science · 2015

    This paper addresses the problem of everyday activity recognition from visual data gathered from a wearable camera proposing a novel multi-task learning framework and argues that, even if label information is not provided, this approach can take advantage of the fact that the tasks of recognizing activities of daily life of multiple individuals are related.

    17
  • Dynamic Partitioned Sampling For Tracking With Discriminative Features

    Stefan Duffner, Jean‐Marc Odobez, Elisa Ricci

    British Machine Vision Conference (BMVC) · 2009

    A multi-cue fusion method for tracking with particle filters which relies on a novel hierarchical sampling strategy which tackles the problem of tracking in a relatively high-dimensional state space by dividing such a space into partitions, each one corresponding to a single cue, and sampling from them in a hierarchical manner.

    17
  • Swarmchestrate: Towards a Fully Decentralised Framework for Orchestrating Applications in the Cloud-to-Edge Continuum

    Tamás Kiss, Amjad Ullah, Gábor Terstyánszky, Odej Kao, Soren Becker, Yiannis Verginadis, Antonis Michalas, Vlado Stankovski, +7 more

    Lecture notes on data engineering and communications technologies · 2024

    16
  • Self-training transformer for source-free domain adaptation

    Guanglei Yang, Zhun Zhong, Mingli Ding, Nicu Sebe, Elisa Ricci

    Applied Intelligence · 2022

    A generic and effective framework based on Transformer, named TransDA, is proposed, for learning a generalized model for source-free domain adaptation, which can significantly improve the accuracy over the source model and can produce state-of-the-art results on all settings.

    16
  • Multimodal Behavior Analysis in the Wild

    Xavier Alameda-Pineda, Elisa Ricci, Nicu Sebe

    Elsevier eBooks · 2018

    16
  • Improved pruning strategy for radial basis function networks with dynamic decay adjustment

    Elisa Ricci, R. Perfetti

    Neurocomputing · 2006

    A simple method is proposed, which eliminates redundant units improving generalization, and experimental results on benchmark datasets show the good performance of this approach compared to previous methods.

    16
  • MULTIFLOW: Shifting Towards Task-Agnostic Vision-Language Pruning

    Matteo Farina, Massimiliano Mancini, Elia Cunegatti, Elia Cunegatti, Giovanni Iacca, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2024

    This work proposes Multimodal Flow Pruning (MULTIFLOW), a first, gradient-free, pruning framework for TA-VLP where the importance of a parameter is expressed in terms of its magnitude and its information flow, by incorporating the saliency of the neurons it connects.

    15
  • A Deeply-Supervised Deconvolutional Network for Horizon Line Detection

    Lorenzo Porzi, Samuel Rota Bulò, Elisa Ricci

    ACM International Conference on Multimedia (ACM MM) · 2016

    A novel approach for skyline detection is introduced, which adheres to a learning-based paradigm and exploits the representation power of deep architectures to improve the horizon line detection accuracy.

    15
  • Learning to Cluster Under Domain Shift

    Willi Menapace, Stéphane Lathuilière, Elisa Ricci

    Lecture notes in computer science · 2020

    This work addresses the problem of transferring knowledge from a source to a target domain when both source and target data have no annotations, and leverages information from data gathered from multiple source domains to build a domain-agnostic clustering model which is then refined at inference time when target data become available.

    14
  • PCA-based artifact removal algorithm for stroke detection using UWB radar imaging

    Elisa Ricci, Simone Di Domenico, Ernestina Cianca, Tommaso Rossi, Marina Diomedi

    Medical & Biological Engineering & Computing · 2016

    The paper shows that a PCA-based preprocessing algorithm can achieve good performance already with a computationally simple beamforming algorithm and outperform state-of-the-art preprocessing algorithms and enable a further improvement in the performance by using a multistatic approach with just a modest increase in computational complexity.

    14
  • Academic Coupled Dictionary Learning for Sketch-based Image Retrieval

    Dan Xu, Xavier Alameda-Pineda, Jingkuan Song, Elisa Ricci, Nicu Sebe

    ACM International Conference on Multimedia (ACM MM) · 2016

    This work introduces academic learning, a paradigm in which the sample learning order is constructed both from the data, as in self-paced learning, and from partial curricula, and proposes an instantiation of this paradigm within the framework of coupled dictionary learning to address the SBIR task.

    14
  • A discriminative approach for appearance based loop closing

    Thomas A. Ciarfuglia, Gabriele Costante, Paolo Valigi, Elisa Ricci

    IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) · 2012

    14
  • Clustered Multi-task Linear Discriminant Analysis for View Invariant Color-Depth Action Recognition

    Yan Yan, Elisa Ricci, Gaowen Liu, Ramanathan Subramanian, Nicu Sebe

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2014

    13
  • Evaluating Multi-task Learning for Multi-view Head-Pose Classification in Interactive Environments

    Yan Yan, Ramanathan Subramanian, Elisa Ricci, Oswald Lanz, Nicu Sebe

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2014

    13
  • Text-to-CAD Evaluation with CADTests

    Dimitrios Mallis, Marco Wang, Ahmet Serdar Karadeniz, Elisa Ricci, Anis Kacem, Djamila Aouada

    arXiv · 2026

    CADTestBench is proposed, the first test-based benchmark for Text-to-CAD, based on CADTests, executable software tests that verify whether a generated CAD model satisfies the geometric and topological requirements of the input prompt.

    12
  • Frustratingly Easy Test-Time Adaptation of Vision-Language Models

    Matteo Farina, Gianni Franchi, Giovanni Iacca, Massimiliano Mancini, Elisa Ricci

    neural information processing systems · 2024

    12
  • Diversified in-domain synthesis with efficient fine-tuning for few-shot classification

    Victor G. Turrisi da Costa, Nicola Dall’Asen, Yiming Wang, Nicu Sebe, Elisa Ricci

    arXiv · 2023

    A novel text-to-image augmentation pipeline that promotes in-domain sample diversity for better generalization in few-shot recognition, and proposes to use Low-Rank Adaptation for joint adaptation of the text and image encoders in a Vision Language Model.

    12
  • Vocabulary-free Image Classification

    Alessandro Conti, Enrico Fini, Massimiliano Mancini, Paolo Rota, Yiming Wang, Elisa Ricci

    neural information processing systems · 2023

    12
  • Deep Variational Generative Models for Audio-Visual Speech Separation

    Viet-Nhat Nguyen, Mostafa Sadeghi, Elisa Ricci, Xavier Alameda-Pineda

    IEEE International Workshop on Machine Learning for Signal Processing (MLSP) · 2021

    The experiments show that the proposed unsupervised VAE-based method yields better separation performance than NMF-based approaches as well as a supervised deep learning-based technique.

    12
  • Performance Evaluation of Novel Microwave Imaging Algorithms for Stroke Detection using an Accurate 3D Head Model

    Elisa Ricci, Ernestina Cianca, Tommaso Rossi, Marina Diomedi, Parth Deshpande

    Wireless Personal Communications · 2017

    Comparisons with other state-of-the-art algorithms confirm the effectiveness of these novel algorithms both in terms of accuracy of stroke localization and amount of artefacts not completely removed.

    12
  • Depth-aware convolutional neural networks for accurate 3D pose estimation in RGB-D images

    Lorenzo Porzi, Adrián Peñate-Sánchez, Elisa Ricci, Francesc Moreno-Noguer

    IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) · 2017

    12
  • It's all about habits: Exploiting multi-task clustering for activities of daily living analysis

    Yan Yan, Elisa Ricci, Negar Rostamzadeh, Nicu Sebe

    Proceedings - International Conference on Image Processing · 2014

    12
  • Enhanced Semantic Descriptors for Functional Scene Categorization

    Gloria Zen, Negar Rostamzadeh, Jacopo Staiano, Elisa Ricci, Nicu Sebe

    International Conference on Pattern Recognition · 2012

    12
  • Exploiting Sparse Representations for Robust Analysis of Noisy Complex Video Scenes

    Gloria Zen, Elisa Ricci, Nicu Sebe

    Lecture notes in computer science · 2012

    A novel unsupervised learning approach for the analysis of complex scenes which is specifically tailored to cope directly with features' noise and uncertainty, and to use short trajectory snippets to account for object motion information, in alternative to the noisy optical flow vectors used in previous works.

    12
  • Rotation Synchronization via Deep Matrix Factorization

    Gk Tejus, Giacomo Zara, Paolo Rota, Andrea Fusiello, Elisa Ricci, Federica Arrigoni

    Proceedings - IEEE International Conference on Robotics and Automation/Proceedings · 2023

    This paper focuses on the formulation of synchronization via neural networks, which has only recently begun to be explored in the literature, and expresses rotation synchronization in terms of matrix factorization with a deep neural network.

    11
  • Quantum Motion Segmentation

    Federica Arrigoni, Willi Menapace, Marcel Seelbach Benkner, Elisa Ricci, Vladislav Golyanik

    Lecture notes in computer science · 2022

    11
  • Online Adaptation through Meta-Learning for Stereo Depth Estimation

    Zhenyu Zhang, Stéphane Lathuilière, Andrea Pilzer, Nicu Sebe, Elisa Ricci, Jian Wu Yang

    arXiv · 2019

    11
  • Exploiting dimensionality reduction techniques for photovoltaic power forecasting

    Alessio Ragnacci, Marco Pastorelli, Paolo Valigi, Elisa Ricci

    2012 IEEE International Energy Conference and Exhibition (ENERGYCON) · 2012

    11
  • Vocabulary-Free Image Classification and Semantic Segmentation

    Alessandro Conti, Enrico Fini, Massimiliano Mancini, Paolo Rota, Yiming Wang, Elisa Ricci

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2026

    The Vocabulary-free Image Classification (VIC) task, which aims to assign a class from an unconstrained language-induced semantic space to an input image without needing a known vocabulary, is introduced and CaSED is proposed, a training-free method that leverages a pre-trained vision-language model and an external database.

    10
  • Training-Free Personalization via Retrieval and Reasoning on Fingerprints

    Deepayan Das, Davide Talon, Yiming Wang, Massimiliano Mancini, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2025

    This work proposes a novel method, Retrieval and Reasoning for Personalization (R2P), leveraging internal knowledge of VLMs to extract the concept fingerprint, i.e., key attributes uniquely defining the concept within its semantic class.

    10
  • Cooperative Self-Training for Multi-Target Adaptive Semantic Segmentation

    Yangsong Zhang, Subhankar Roy, Hongtao Lu, Elisa Ricci, Stéphane Lathuilière

    IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) · 2023

    This work proposes a self-training strategy that employs pseudo-labels to induce cooperation among multiple domain-specific classifiers and employs feature stylization as an efficient way to generate image views that forms an integral part of self- training.

    10
  • Demystifying Pseudo-LiDAR for Monocular 3D Object Detection.

    Andrea Simonelli, Samuel Rota Bulò, Lorenzo Porzi, Peter Kontschieder, Elisa Ricci

    arXiv · 2020

    The first contribution consists in analysing and showing experimentally that the validation results published by Pseudo-LiDAR-based methods are substantially biased, and the introduction of a 3D confidence prediction module is brought back up in the ranking.

    10
  • Buoyancy-driven convection of nanofluids in inclined enclosures

    Alessandro Quintino, Elisa Ricci, Emanuele Habib, Massimo Corcione

    Process Safety and Environmental Protection · 2017

    10
  • Learning Pedestrian Trajectories with Kernels

    Elisa Ricci, Francesco Tobia, Gloria Zen

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2010

    10
  • Reduced complexity RBF classifiers with support vector centres and dynamic decay adjustment

    R. Perfetti, Elisa Ricci

    Neurocomputing · 2006

    Experimental results on several benchmark data sets show the effectiveness of the proposed RBF classifiers method, which integrates the dynamic decay adjustment algorithm with selective pruning and standard least squares techniques.

    10
  • Superpowering Open-Vocabulary Object Detectors for X-ray Vision

    Pablo Garcia-Fernandez, Lorenzo Vaquero, Mingxuan Liu, Xue Feng, Daniel Cores, Nicu Sebe, Manuel Mucientes, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2025

    RAXO is proposed, a training-free framework that repurposes off-the-shelf RGB OvOD detectors for robust X-ray detection and introduces DET-COMPASS, a new benchmark featuring bounding box annotations for over 300 object categories, enabling large-scale evaluation of OvOD in X-ray.

    9
  • One VLM to Keep it Learning: Generation and Balancing for Data-free Continual Visual Question Answering

    Deepayan Das, Davide Talon, Massimiliano Mancini, Yiming Wang, Elisa Ricci

    IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) · 2025

    This work proposes the first data-free method that leverages the language generation capability of a VLM, instead of relying on external models, to produce pseudo-rehearsal data for addressing continual VQA, and generates pseudo-rehearsal data by posing previous task questions on new task data.

    9
  • Not Only Text: Exploring Compositionality of Visual Representations in Vision-Language Models

    Davide Berasi, Matteo Farina, Massimiliano Mancini, Elisa Ricci, Nicola Strisciuglio

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2025

    This work demonstrates that visual embeddings of pre-trained VLMs exhibit a compositional arrangement, and evaluates the effectiveness of this property in the tasks of compositional classification and group robustness, and proposes a framework that approximates image representations with geometry-aware compositional structures in the latent space.

    9
  • Socially Pertinent Robots in Gerontological Healthcare

    Xavier Alameda-Pineda, Angus Addlesee, Daniel Hernández García, Chris Reinke, Soraya Arias, Federica Arrigoni, Alex Auternaud, Lauriane Blavette, +22 more

    International Journal of Social Robotics · 2025

    This paper attempts to partially answer the question of whether or not an autonomous social interactive robot with multi-modal conversational capabilities will be useful and accepted in real-life facilities, via two waves of experiments including patients and companions in a day-care gerontological facility in Paris with a full-sized humanoid robot endowed with social and conversational interaction capabilities.

    9
  • Cluster-level pseudo-labelling for source-free cross-domain facial expression recognition

    Alessandro Conti, Paolo Rota, Yiming Wang, Elisa Ricci

    arXiv · 2022

    This work proposes the first Source-Free Unsupervised Domain Adaptation (SFUDA) method for FER that exploits self-supervised pretraining to learn good feature representations from the target data and proposes a novel and robust cluster-level pseudo-labelling strategy that accounts for in-cluster statistics.

    9
  • Revisiting Viewing Graph Solvability: An Effective Approach Based on Cycle Consistency

    Federica Arrigoni, Andrea Fusiello, Roméo Rizzi, Elisa Ricci, Tomáš Pajdla

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2022

    The main result of this paper is a method to reduce the number of unknowns by exploiting cycle consistency and an experiment on real data that shows that unsolvable graphs may appear in practice.

    9
  • Data Augmentation-free Unsupervised Learning for 3D Point Cloud Understanding

    Guofeng Mei, Cristiano Saltori, Fabio Poiesi, Jian Zhang, Elisa Ricci, Nicu Sebe, Qiang Wu

    arXiv · 2022

    This work proposes an augmentation-free unsupervised approach for point clouds to learn transferable point-level features via soft clustering, named SoftClu, which exploits the affiliation of points to their clusters as a proxy to enable self-training through a pseudo-label prediction task.

    9
  • Image Analysis and Processing – ICIAP 2019 20th International Conference, Trento, Italy, September 9–13, 2019, Proceedings, Part II

    Elisa Ricci, Samuel Rota Bulò, Cees G. M. Snoek, Oswald Lanz, Stefano Messelodi, Nicu Sebe

    Open Research (University of Surrey) · 2019

    This work proposes a label propagation method guided by hierarchy of partitions in the context of the marked (supervised) segmentation problem to propagate labels on a tree modelling a hierarchical representation of the image.

    9
  • Beamforming Algorithms for UWB Radar-based Stroke Detection: Trade-off Performance-Complexity

    Elisa Ricci, Ernestina Cianca, Tommaso Rossi

    Journal of CONASENSE · 2016

    This paper aims to provide a better understanding of this trade-off for several beamforming algorithms and radar configurations (monostatic/multistatic) applied to stroke detection.

    9
  • Artifact removal algorithms for stroke detection using a multistatic MIST beamforming algorithm

    Elisa Ricci, Simone Di Domenico, Ernestina Cianca, Tommaso Rossi

    2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) · 2015

    9
  • UWB Radar Imaging Based on Space-Time Beamforming for Stroke Detection

    Elisa Ricci, Fabio Maggio, Tommaso Rossi, Ernestina Cianca, M. Ruggieri

    World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany · 2014

    The paper shows that a multistatic approach allows to detect the bleedings with a much lower number of antennas with respect to a monostatic approach.

    9
  • Boosting-based transfer learning for multi-view head-pose classification from surveillance videos

    Radu L. Vieriu, Anoop Kolar Rajagopal, Ramanathan Subramanian, Oswald Lanz, Elisa Ricci, Nicu Sebe, Kalpathi Ramakrishnan

    NOT FOUND REPOSITORY (Indian Institute of Science Bangalore) · 2012

    9
  • Position: Modular Memory is the Key to Continual Learning Agents

    Vaggelis Dorovatas, Malte Schwerin, Andrew D. Bagdanov, Lucas Caccia, Antonio Carta, Laurent Charlin, Barbara Hammer, Tyler L. Hayes, +16 more

    arXiv · 2026

    This work outlines a conceptual framework for modular memory-centric architectures that leverage ICL for rapid adaptation and knowledge accumulation, and IWL for stable updates to model capabilities, charting a practical roadmap toward continually learning agents.

    8
  • UrbanVerse: Scaling Urban Simulation by Watching City-Tour Videos

    Mingxuan Liu, Honglin He, Elisa Ricci, Wayne Wu, Bolei Zhou

    arXiv · 2025

    Experiments show that UrbanVerse scenes preserve real-world semantics and layouts, achieving human-evaluated realism comparable to manually crafted scenes, in urban navigation and in urban navigation policies trained in UrbanVerse exhibit scaling power laws and strong generalization.

    8
  • FedMVP: Federated Multimodal Visual Prompt Tuning for Vision-Language Models

    Mainak Singha, Subhankar Roy, Sarthak Mehrotra, Ankit Jha, Moloud Abdar, Biplab Banerjee, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2025

    Extensive evaluation on 20 datasets demonstrates that FedMVP not only preserves performance on in-distribution classes and domains, but also displays higher generalizability to unseen classes and domains, surpassing state-of-the-art methods by a notable margin.

    8
  • Simplifying open-set video domain adaptation with contrastive learning

    Giacomo Zara, Victor G. Turrisi da Costa, Subhankar Roy, Paolo Rota, Elisa Ricci

    Computer Vision and Image Understanding · 2024

    8
  • Large-Scale Pre-trained Models are Surprisingly Strong in Incremental Novel Class Discovery

    Mingxuan Liu, Subhankar Roy, Zhun Zhong, Nicu Sebe, Elisa Ricci

    Lecture notes in computer science · 2024

    8
  • Conditioned Prompt-Optimization for Continual Deepfake Detection

    Francesco Laiti, Benedetta Liberatori, Thomas De Min, Elisa Ricci

    Lecture notes in computer science · 2024

    8
  • The Robust Semantic Segmentation UNCV2023 Challenge Results

    Xuanlong Yu, Yi Zuo, Zitao Wang, Xiaowen Zhang, Jiaxuan Zhao, Yuting Yang, Licheng Jiao, Rui Peng, +22 more

    IEEE/CVF International Conference on Computer Vision Workshops (ICCVW) · 2023

    This paper outlines the winning solutions employed in addressing the MUAD uncertainty quantification challenge held at ICCV 2023, which primarily revolved around enhancing the robustness of semantic segmentation in urban scenes under varying natural adversarial conditions.

    8
  • Interactive Neural Painting

    Elia Peruzzo, Willi Menapace, Vidit Goel, Federica Arrigoni, Hao Tang, Xingqian Xu, Arman Chopikyan, Nikita Orlov, +4 more

    Computer Vision and Image Understanding · 2023

    I-Paint is proposed, a novel method based on a conditional transformer Variational AutoEncoder (VAE) architecture with a two-stage decoder that provides good stroke suggestions and compares favorably to the state of the art.

    8
  • Detection of Berezinskii-Kosterlitz-Thouless transition via Generative Adversarial Networks

    Daniele Contessi, Elisa Ricci, Alessio Recati, Matteo Rizzi

    SciPost Physics · 2022

    This work trains a Generative Adversarial Network with the Entanglement Spectrum of a system bipartition, as extracted by means of Matrix Product States ansätze to identify gapless-to-gapped phase transitions in different one-dimensional models.

    8
  • Multi-frame Motion Segmentation by Combining Two-Frame Results

    Federica Arrigoni, Elisa Ricci, Tomáš Pajdla

    International Journal of Computer Vision · 2022

    This paper introduces a two-stage approach to motion segmentation on sparse and unstructured datasets involving rigid motions, motivated by multibody structure from motion, and assumes only two-frame correspondences as input without prior knowledge about trajectories.

    8
  • Boosting binary masks for multi-domain learning through affine transformations

    Massimiliano Mancini, Elisa Ricci, Barbara Caputo, Samuel Rota Bulò

    Machine Vision and Applications · 2020

    This work provides a general formulation of binary mask-based models for multi-domain learning by affine transformations of the original network parameters by solving the challenge of producing a single model performing a task in all the domains together.

    8
  • Heat transfer enhancement in Rayleigh-Bénard convection of liquids using suspended adiabatic honeycombs

    Massimo Corcione, Alessandro Quintino, Elisa Ricci

    International Journal of Thermal Sciences · 2018

    8
  • A Multi-task Learning Framework for Time-continuous Emotion Estimation from Crowd Annotations

    Mojtaba Khomami Abadi, Azad Abad, Ramanathan Subramanian, Negar Rostamzadeh, Elisa Ricci, Jagannadan Varadarajan, Nicu Sebe

    Proceedings of the 2014 International ACM Workshop on Crowdsourcing for Multimedia · 2014

    It is shown that MTL-based regression models, which simultaneously learn the relationship between low-level audio-visual features and high-level VA ratings from a collection of movie scenes, can predict VA ratings for time-contiguous snippets from each scene more effectively than scene-specific models.

    8
  • Patch based yarn defect detection using Gabor filters

    Lucia Bissi, Giuseppe Baruffa, P. Placidi, Elisa Ricci, Andrea Scorzoni, Paolo Valigi

    IEEE International Instrumentation and Measurement Technology Conference · 2012

    8
  • Multi-Domain Image-to-Image Translation with Adaptive Inference Graph

    The-Phuc Nguyen, Stéphane Lathuilière, Elisa Ricci

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2021

    This work proposes to increase the network capacity by using an adaptive graph structure that leads to an adjustable increase in number of parameters while preserving an almost constant computational cost.

    7
  • Data‐based design of robust fault detection and isolation residuals via LASSO optimization and Bayesian filtering

    Silvia Cascianelli, Gabriele Costante, Francesco Crocetti, Elisa Ricci, Paolo Valigi, Mario Luca Fravolini

    Asian Journal of Control · 2020

    A data‐based approach for the design of structured residual subsets for the robust isolation of sensor faults is proposed, and a robust recursive Bayesian Filter has been employed to process, online, the distance of the residuals from nominal fault directions, providing a fault probability for each sensor.

    7
  • How to Make an Image More Memorable? A Deep Style Transfer Approach

    Aliaksandr Siarohin, Gloria Zen, Cveta Majtanovic, Xavier Alameda-Pineda, Elisa Ricci, Nicu Sebe

    arXiv · 2017

    7
  • Multi-Paced Dictionary Learning for cross-domain retrieval and recognition

    Dan Xu, Jingkuan Song, Xavier Alameda-Pineda, Elisa Ricci, Nicu Sebe

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2016

    7
  • Magic Moments for Structured Output Prediction

    Elisa Ricci, Tijl De Bie, Nello Cristianini

    Bristol Research (University of Bristol) · 2008

    Two novel learning algorithms are presented that rely on efficiently computing the first two moments of the scoring function over the output space, and using them to create convex objective functions for training.

    7
  • Classifier-to-Bias: Toward Unsupervised Automatic Bias Detection for Visual Classifiers

    Quentin Guimard, Moreno D’Incà, Massimiliano Mancini, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2025

    Experiments show that C2B discovers biases beyond those of the original datasets and outperforms a recent state-of-the-art bias detection baseline that relies on task-specific annotations, being a promising first step toward addressing task-agnostic unsupervised bias detection.

    6
  • Variational Structured Attention Networks for Deep Visual Representation Learning

    Guanglei Yang, Paolo Rota, Xavier Alameda-Pineda, Dan Xu, Mingli Ding, Elisa Ricci

    IEEE Transactions on Image Processing · 2022

    VISTA-Net outperforms the state-of-the-art in multiple continuous and discrete prediction tasks, thus confirming the benefit of the proposed approach in joint structured spatial-channel attention estimation for deep representation learning.

    6
  • Bi-Mix: Bidirectional Mixing for Domain Adaptive Nighttime Semantic Segmentation

    Guanglei Yang, Zhun Zhong, Hao Tang, Mingli Ding, Nicu Sebe, Elisa Ricci

    arXiv · 2021

    6
  • Image Analysis and Processing – ICIAP 2019

    Elisa Ricci, Samuel Rota Bulò, Cees G. M. Snoek, Oswald Lanz, Stefano Messelodi, Nicu Sebe

    Lecture notes in computer science · 2019

    This work proposes a label propagation method guided by hierarchy of partitions in the context of the marked (supervised) segmentation problem to propagate labels on a tree modelling a hierarchical representation of the image.

    6
  • A Demonstrative Study on the Two-phase vs. Single-phase Modeling of Buoyancy-driven Flows of Enclosed Nanofluids

    Marta Cianfrini, Massimo Corcione, Alessandro Quintino, Elisa Ricci

    Heat Transfer Engineering · 2017

    6
  • 6
  • Jointly Estimating Interactions and Head, Body Pose of Interactors from Distant Social Scenes

    Ramanathan Subramanian, Jagannadan Varadarajan, Elisa Ricci, Oswald Lanz, STEFAN S. WINKLER

    ACM International Conference on Multimedia (ACM MM) · 2015

    This work exploits positional and pose cues characterizing interactors and interactions to jointly infer F-formations and head, body pose of interactors in a social scene captured by surveillance cameras.

    6
  • Exploiting transfer learning for personalized view invariant gesture recognition

    Gabriele Costante, Valerio Galieni, Yan Yan, Mario Luca Fravolini, Elisa Ricci, Paolo Valigi

    IEEE International Conference on Acoustics Speech and Signal Processing · 2014

    6
  • A CNN based algorithm for retinal vessel segmentation

    R. Perfetti, Elisa Ricci, Daniele Casali, Giovanni Costantini

    International Conference on Circuits · 2008

    A retinal vessel segmentation method based on cellular neural networks (CNNs) is proposed, characterized by a virtual template expansion obtained through a multi-step operation, which is capable to perform vessel segmentsation within short computation time.

    6
  • On Large Multimodal Models as Open-World Image Classifiers

    Alessandro Conti, Massimiliano Mancini, Enrico Fini, Yiming Wang, Paolo Rota, Elisa Ricci

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2025

    5
  • Ensembling Pruned Attention Heads For Uncertainty-Aware Efficient Transformers

    Firas Gabetni, Giuseppe Curci, Andrea Pilzer, Subhankar Roy, Elisa Ricci, Gianni Franchi

    arXiv · 2025

    Hydra Ensembles is introduced, an efficient transformer-based ensemble that prunes attention heads to create diverse members and merges them via a new multi-head attention with grouped fully-connected layers to yield a compact model with inference speed close to a single network.

    5
  • Novel Class Discovery Meets Foundation Models for 3D Semantic Segmentation

    Luigi Riz, Cristiano Saltori, Yiming Wang, Elisa Ricci, Fabio Poiesi

    International Journal of Computer Vision · 2024

    This paper introduces the novel task of NCD for point cloud semantic segmentation and presents a new NCD approach based on online clustering, uncertainty estimation, and semantic distillation and proposes a novel evaluation protocol to rigorously assess the performance of NCD in point cloud semantic segmentation.

    5
  • Heat transfer correlations for natural convection in inclined enclosures filled with water around its density-inversion point

    Alessandro Quintino, Elisa Ricci, Stefano Grignaffini, Massimo Corcione

    International Journal of Thermal Sciences · 2017

    5
  • Compositional Caching for Training-free Open-vocabulary Attribute Detection

    Marco Garosi, Alessandro Conti, Gaowen Liu, Elisa Ricci, Massimiliano Mancini

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2025

    4
  • The Phantom Menace: Unmasking Privacy Leakages in Vision-Language Models

    Simone Caldarella, Massimiliano Mancini, Elisa Ricci, Rahaf Aljundi

    Lecture notes in computer science · 2025

    4
  • Text-Enhanced Zero-Shot Action Recognition: A Training-Free Approach

    Massimo Bosetti, Shibingfeng Zhang, Bendetta Liberatori, Giacomo Zara, Elisa Ricci, Paolo Rota

    Lecture notes in computer science · 2024

    4
  • Coping with Pandemics

    Jiaying Liu, Wen-Huang Cheng, Klara Nahrstedt, Ramesh Jain, Elisa Ricci, Hyeran Byun

    ACM International Conference on Multimedia (ACM MM) · 2020

    The panel provides a valuable opportunity for people from a variety of backgrounds to exchange views on opportunities and challenges for AI multimedia in the current and post pandemics era.

    4
  • Single-Stage Monocular 3D Object Detection with Virtual Cameras

    Andrea Simonelli, Samuel Rota Bulò, Lorenzo Porzi, Elisa Ricci, Peter Kontschieder

    arXiv · 2019

    MoVi-3D is introduced, a novel, single-stage deep architecture for monocular 3D object detection that leverages geometrical information to generate synthetic views from virtual cameras at both, training and test time, resulting in normalized object appearance with respect to distance.

    4
  • Enhancing Perceptual Attributes with Bayesian Style Generation

    Aliaksandr Siarohin, Gloria Zen, Nicu Sebe, Elisa Ricci

    Lecture notes in computer science · 2019

    This paper introduces a novel deep learning framework for synthesizing images in order to enhance a predefined perceptual attribute and demonstrates its effectiveness in two use cases, i.e. increasing image memorability and generating scary pictures.

    4
  • SALSA: A Multimodal Dataset for the Automated Analysis of Free-Standing Social Interactions

    Xavier Alameda-Pineda, Ramanathan Subramanian, Elisa Ricci, Oswald Lanz, Nicu Sebe

    Elsevier eBooks · 2017

    SALSA is proposed, a dataset facilitating multimodal and Synergetic sociAL Scene Analysis, and it is shown how the recorded multiple cues synergetically aid automatic analysis of social interactions.

    4
  • Large Margin Methods for Structured Output Prediction

    Elisa Ricci, R. Perfetti

    Studies in computational intelligence · 2008

    Many real-life data problems require effective classification algorithms able to model structural dependencies between multiple labels and to perform classification in a multivariate setting, i.e. such that complex, non-scalar predictions must be produced in correspondence to input vectors.

    4
  • Learning to Align: A Statistical Approach

    Elisa Ricci, Tijl De Bie, Nello Cristianini

    Lecture notes in computer science · 2007

    A new machine learning approach to the inverse parametric sequence alignment problem is presented, given as training examples a set of correct pairwise global alignments, and it is shown that the Z-score is a function of the parameters and can be computed with efficient dynamic programs similar to the Needleman-Wunsch algorithm.

    4
  • Discriminative Sequence Labeling by Z-Score Optimization

    Elisa Ricci, Tijl De Bie, Nello Cristianini

    Lecture notes in computer science · 2007

    It is shown that the Z-score is a convex function of the parameters and it can be efficiently computed with dynamic programming methods, and the maximization step turns out to be solvable by a simple linear system of equations.

    4
  • Group-robust Machine Unlearning

    Thomas De Min, Subhankar Roy, Stéphane Lathuilière, Elisa Ricci, Massimiliano Mancini

    arXiv · 2025

    This work addresses the overlooked problem of non-uniformly distributed forget sets, which it refers to as group-robust machine unlearning, and presents MIU (Mutual Information-aware Machine Unlearning), the first approach for group robustness in approximate machine unlearning.

    3
  • Retrieval-enriched zero-shot image classification in low-resource domains

    Nicola Dall’Asen, Yiming Wang, Enrico Fini, Elisa Ricci

    Conference on Empirical Methods in Natural Language Processing (EMNLP) · 2024

    This method, named CoRE (Combination of Retrieval Enrichment), enriches the representation of both query images and class prototypes by retrieving relevant textual information from large web-crawled databases, which significantly boosts classification performance by incorporating the broader contextual information relevant to the specific class.

    3
  • Global and Local Alignment Networks for Unpaired Image-to-Image Translation

    Guanglei Yang, Hao Tang, Humphrey Shi, Mingli Ding, Nicu Sebe, Radu Timofte, Luc Van Gool, Elisa Ricci

    arXiv · 2021

    3
  • Shape Consistent 2D Keypoint Estimation under Domain Shift

    Levi O. Vasconcelos, Massimiliano Mancini, Davide Boscaini, Samuel Rota Bulò, Barbara Caputo, Elisa Ricci

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2021

    This paper presents a novel deep adaptation framework for estimating keypoints under domain shift, i.e, when the training and test (target) images significantly differ in terms of visual appearance.

    3
  • The RGB-D Triathlon: Towards Agile Visual Toolboxes for Robots

    Fabio Cermelli, Massimiliano Mancini, Elisa Ricci, Barbara Caputo

    IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) · 2019

    This work studies the problem of learning flexible models which can handle multiple tasks in a lightweight manner in the robot vision context, proposing a new benchmark, the RGB-D Triathlon, and evaluating state of the art algorithms in this novel challenging scenario.

    3
  • Buoyancy-Induced Convection of Alumina-Water Nanofluids in Laterally Heated Vertical Slender Cavities

    Massimo Corcione, Stefano Grignaffini, Alessandro Quintino, Elisa Ricci, Andrea Vallati

    Heat Transfer Engineering · 2017

    3
  • Exploring Multitask and Transfer Learning Algorithms for Head Pose Estimation in Dynamic Multiview Scenarios

    Elisa Ricci, Yan Yan, Anoop Kolar Rajagopal, Ramanathan Subramanian, Radu L. Vieriu, Oswald Lanz, Nicu Sebe

    Elsevier eBooks · 2017

    This chapter reviews recent works addressing HPE under target motion and examines the use of transfer learning and multitask learning for HPE, which can address facial appearance variations under motion.

    3
  • An automatic image-to-DEM alignment approach for annotating mountains pictures on a smartphone

    Lorenzo Porzi, Samuel Rota Bulò, Oswald Lanz, Paolo Valigi, Elisa Ricci

    Machine Vision and Applications · 2016

    This paper presents a novel approach for image-to-world registration which jointly relies on inertial and visual sensors, and demonstrates that the proposed registration method guarantees an increased accuracy with respect to competing methods and it is computationally efficient when implemented on a smartphone.

    3
  • Transferring knowledge across robots: A risk sensitive approach

    Gabriele Costante, Thomas A. Ciarfuglia, Paolo Valigi, Elisa Ricci

    Robotics and Autonomous Systems · 2014

    This paper considers the scenario where a robot equipped with a monocular camera explores a new environment and introduces a novel transfer learning approach, which casts the visual place recognition problem within a transfer learning framework.

    3
  • Sorting Atomic Activities for Discovering Spatio-temporal Patterns in Dynamic Scenes

    Gloria Zen, Elisa Ricci, Stefano Messelodi, Nicu Sebe

    Lecture notes in computer science · 2011

    A novel non-object centric approach for discovering activity patterns in dynamic scenes by dividing the video into clips, compute clip histograms and cluster them to discover spatio-temporal patterns using a recently proposed clustering algorithm.

    3
  • Tracking Multiple People with Illumination Maps

    Gloria Zen, Oswald Lanz, Stefano Messelodi, Elisa Ricci

    Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 2010

    3
  • DataComp-VLM: Improved Open Datasets for Vision-Language Models

    Matteo Farina, Vishaal Udandarao, Thao Nguyen, Selim Kuzucu, Maximilian Böther, Andreas Hochlehnert, Ghosh, Adhiraj, Marianna Nezhurina, +22 more

    arXiv · 2026

    It is found that data mixing, not filtering, is key to a high-quality training dataset: instruction-heavy mixtures scale better than caption-heavy ones, with gains widening at larger scales.

    2
  • Thinking Past the Answer: Evaluating Harmful Overthinking in Large Reasoning Models

    Simone Caldarella, Davide Talon, Rahaf Aljundi, Elisa Ricci, Massimiliano Mancini

    arXiv · 2026

    A prefix-level trajectory evaluation protocol grounded in reasoning sufficiency is introduced, defining the minimum reasoning budget required for a model to first generate the correct answer, and it is found that many instances considered reasoning-intensive require surprisingly little reasoning.

    2
  • MAMBO: High-Resolution Generative Approach for Mammography Images

    Milica Škipina, Nikola Jovišić, Nicola Dall’Asen, Vanja Švenda, Anıl Osman Tur, Slobodan Ilić, Elisa Ricci, Dubravko R. Culibrk

    arXiv · 2025

    Experiments assess MAMBO's capabilities in image generation, super-resolution, and anomaly segmentation, highlighting its potential to enhance mammography analysis for more accurate diagnoses and earlier lesion detection.

    2
  • Dynamic Scoring with Enhanced Semantics for Training-Free Human-Object Interaction Detection

    Francesco Tonini, Lorenzo Vaquero, Alessandro Conti, Cigdem Beyan, Elisa Ricci

    ACM International Conference on Multimedia (ACM MM) · 2025

    A novel training-free HOI detection framework for Dynamic Scoring with enhanced semantics (dysco) that effectively utilizes textual and visual interaction representations within a multimodal registry, enabling robust and nuanced interaction understanding.

    2
  • Test-Time Vocabulary Adaptation for Language-Driven Object Detection

    Mingxuan Liu, Tyler L. Hayes, Massimiliano Mancini, Elisa Ricci, Riccardo Volpi, Gabriela Csurka

    Proceedings - International Conference on Image Processing · 2025

    2
  • Exploring Fine-Grained Retail Product Discrimination with Zero-Shot Object Classification Using Vision-Language Models

    Anıl Osman Tur, Alessandro Conti, Cigdem Beyan, Davide Boscaini, Roberto Larcher, Stefano Messelodi, Fabio Poiesi, Elisa Ricci

    IEEE Forum on Research and Technologies for Society and Industry Innovation (RTSI) · 2024

    A novel ensemble approach that integrates embeddings from CLIP and DINOv2 with dimensionality reduction techniques to enhance classification performance and introduces a class adaptation method that utilizes visual prototyping with limited samples in scenarios with scarce labeled data, addressing a critical need in retail environments where product variety frequently changes.

    2
  • Structured Domain Adaptation for 3D Keypoint Estimation

    Levi O. Vasconcelos, Massimiliano Mancini, Davide Boscaini, Barbara Caputo, Elisa Ricci

    International Conference on 3D Vision (3DV) · 2019

    2
  • 2
  • Buoyancy-induced convection of water-based nanofluids from an enclosed heated cylinder

    Alessandro Quintino, Marta Cianfrini, Paweł Ocłoń, Elisa Ricci, Massimo Corcione

    International Journal of Numerical Methods for Heat &amp Fluid Flow · 2018

    2
  • Experimental analysis on possible coexistence issues related to the introduction of LTE in the 2300–2400 MHz band

    Doriana Guiducci, Claudia Carciofi, Claudio Cecchetti, Valeria Petrini, Manuela Vaser, Elisa Ricci, Elio R. Restuccia, Gianmarco Fusco

    European Conference on Networks and Communications · 2017

    2
  • Emerging Topics in Learning from Noisy and Missing Data

    Xavier Alameda-Pineda, Timothy M. Hospedales, Elisa Ricci, Nicu Sebe, Xiaogang Wang

    ACM International Conference on Multimedia (ACM MM) · 2016

    This tutorial will present several recent methodologies addressing different visual tasks under the assumption of noisy, weakly annotated data sets, including methods able to deal with noisy,weak or partial annotations.

    2
  • Collaborative Neural Painting

    Nicola Dall’Asen, Willi Menapace, Elia Peruzzo, Enver Sangineto, Yiming Wang, Elisa Ricci

    Computer Vision and Image Understanding · 2025

    1
  • ConViS-Bench: Estimating Video Similarity Through Semantic Concepts

    Benedetta Liberatori, Alessandro Conti, Lorenzo Vaquero, Yiming Wang, Elisa Ricci, Paolo Rota

    neural information processing systems · 2025

    1
  • Can Text-to-Video Generation help Video-Language Alignment?

    Luca Zanella, Massimiliano Mancini, Willi Menapace, Sergey Tulyakov, Yiming Wang, Elisa Ricci

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2025

    Experiments show that, on average, SynViTa improves over existing methods on VideoCon test sets and SSv2-Temporal, SSv2-Events, and ATP-Hard benchmarks, being a first promising step for using synthetic videos when learning video-language models.

    1
  • Architecture, Simulation and Software Stack to Support Post-CMOS Accelerators: The ARCHYTAS Project

    Giovanni Agosta, Stefano Cherubin, Derek Christ, Francesco Conti, Asbjørn Djupdal, Matthias Jung, Γεώργιος Κεραμίδας, Roberto Passerone, +6 more

    IEEE Computer Society Annual Symposium on VLSI · 2025

    The system architecture and software stack that ARCHYTAS will develop to integrate and support nonconventional hardware accelerators, as well as the simulation software needed for early prototyping of the full system and its components are presented.

    1
  • AL-GTD: Deep Active Learning for Gaze Target Detection

    Francesco Tonini, Nicola Dall’Asen, Lorenzo Vaquero, Cigdem Beyan, Elisa Ricci

    ACM International Conference on Multimedia (ACM MM) · 2024

    AL-GTD is proposed, an innovative approach that integrates supervised and self-supervised losses within a novel sample acquisition function to perform active learning (AL) and outperforms AL competitors, simultaneously exhibiting superior performance compared to SOTA gaze target detectors when all are trained within a low-data regime.

    1
  • Enhancing Robustness of Vision-Language Models through Orthogonality Learning and Self-Regularization

    Jinlong Li, Zhao, Dong, Zequn Jie, Elisa Ricci, Lin Ma, Nicu Sebe

    arXiv · 2024

    An orthogonal finetuning method for efficiently updating pretrained weights which enhances robustness and generalization, while a cross-regularization strategy is further exploited to maintain the stability in terms of zero-shot generalization of VLMs, dubbed OrthCR.

    1
  • Organizing Unstructured Image Collections using Natural Language

    Mingxuan Liu, Zhun Zhong, Li, Jun, Gianni Franchi, Subhankar Roy, Elisa Ricci

    arXiv · 2024

    1
  • Enhancing the Domain Robustness of Self-Supervised pre-Training with Synthetic Images

    Mohamad Hassan N C, Avigyan Bhattacharya, Victor G. Turrisi da Costa, Biplab Banerjee, Elisa Ricci

    IEEE International Conference on Acoustics Speech and Signal Processing · 2024

    1
  • Less is more: Summarizing Patch Tokens for efficient Multi-Label Class-Incremental Learning

    Thomas De Min, Massimiliano Mancini, Stéphane Lathuilière, Subhankar Roy, Elisa Ricci

    HAL (Le Centre pour la Communication Scientifique Directe) · 2024

    1
  • Coexistence issues of 2300–2400 MHz band LTE signals and 2400–2500 MHz band Wi-Fi systems

    Manuela Vaser, Elisa Ricci, Giuseppe Pierri, Elio R. Restuccia, Gianmarco Fusco

    International Conference on Ubiquitous and Future Networks · 2017

    1
  • Optimal Inclination for Maximum Convection Heat Transfer in Differentially-Heated Enclosures Filled with Water Near 4°C

    Alessandro Quintino, Elisa Ricci, Stefano Grignaffini, Massimo Corcione

    Heat Transfer Engineering · 2017

    1
  • Multimodal analysis of free-standing conversational groups

    Xavier Alameda-Pineda, Elisa Ricci, Nicu Sebe

    Frontiers of Multimedia Research · 2017

    A multimodal joint head and body pose estimator is described and compared to other recent approaches for head andBody pose estimation and F-formation detection, in particular for the detection of conversational groups or F-formations.

    1
  • SVM-based CDMA receiver with incremental active learning

    Elisa Ricci, Luca Rugini, R. Perfetti

    Neurocomputing · 2006

    A sample-by-sample adaptive algorithm for CDMA systems based on incremental SVMs, incorporating an active learning strategy aimed to reduce the complexity of both the training phase and the final classifier is proposed.

    1
  • Specificity-aware reinforcement learning for fine-grained open-world classification

    Samuele Angheben, Davide Berasi, Alessandro Conti, Elisa Ricci, Yiming Wang

    arXiv · 2026

    This work proposes a novel specificity-aware reinforcement learning framework, SpeciaRL, to fine-tune reasoning LMMs on fine-grained image classification under the open-world setting, and introduces a dynamic, verifier-based reward signal anchored to the best predictions within online rollouts, promoting specificity while respecting the model's capabilities to prevent incorrect predictions.

    –
  • Automatic Benchmarking of Large Multimodal Models via Iterative Experiment Programming

    Alessandro Conti, Massimiliano Mancini, Enrico Fini, Yiming Wang, Paolo Rota, Elisa Ricci

    Lecture notes in computer science · 2026

    –
  • Towards Unconstrained Human-Object Interaction

    Francesco Tonini, Alessandro Conti, Lorenzo Vaquero, Cigdem Beyan, Elisa Ricci

    International Conference on Automatic Face and Gesture Recognition · 2026

    –
  • Personalizing MLLMs via Reinforced Multimodal Reference Game

    Deepayan Das, Davide Talon, Yiming Wang, Massimiliano Mancini, Elisa Ricci

    Lecture notes in computer science · 2026

    –
  • Incremental Object-Based Novelty Detection with Feedback Loop

    Simone Caldarella, Elisa Ricci, Rahaf Aljundi

    Lecture notes in computer science · 2026

    –
  • How to Take a Memorable Picture? Empowering Users with Actionable Feedback

    Francesco Laiti, Davide Talon, Jacopo Staiano, Elisa Ricci

    arXiv · 2026

    The results indicate that memorability can not only be predicted but also taught and instructed, shifting the focus from mere prediction to actionable feedback for human creators.

    –
  • FineHOI: Part-Aware Dense Representations for Zero-Shot Human-Object Interaction Detection

    Francesco Tonini, Lorenzo Vaquero, Mohammad Mahdi Derakhshani, Cees G. M. Snoek, Elisa Ricci, Cigdem Beyan

    arXiv · 2026

    –
  • Large Multimodal Models as General In-Context Classifiers

    Marco Garosi, Matteo Farina, Alessandro Conti, Massimiliano Mancini, Elisa Ricci

    arXiv · 2026

    –
  • ProactiveBench: Benchmarking Proactiveness in Multimodal Large Language Models

    Thomas De Min, Subhankar Roy, Stéphane Lathuilière, Elisa Ricci, Massimiliano Mancini

    Lecture notes in computer science · 2026

    –
  • SEM: Sparse Embedding Modulation for Post-Hoc Debiasing of Vision-Language Models

    Quentin Guimard, Federico Bartsch, Simone Caldarella, Rahaf Aljundi, Elisa Ricci, Massimiliano Mancini

    arXiv · 2026

    –
  • Unlearning Under Imbalance: Benchmarking Fairness in Multimodal LLM Unlearning

    Lorenzo Orsingher, Thomas De Min, Massimiliano Mancini, Davide Talon, Elisa Ricci

    arXiv · 2026

    FAIRGET is proposed, the first Visual Question Answering benchmark that evaluates unlearning under unbalanced, realistic, forget requests, and FAUN is proposed, the first unlearning algorithm for MLLMs that forgets unlearning data while preserving model fairness.

    –
  • Language-Grounded Post-Completion Mistake Detection in Procedural Videos

    Andrea Passerini, Elisa Ricci, Jacopo Staiano, Olga Loginova

    Iris (University of Trento) · 2026

    –
  • Linear Model Merging Unlocks Simple and Scalable Multimodal Data Mixture Optimization

    Davide Berasi, Matteo Farina, Massimiliano Mancini, Elisa Ricci

    arXiv · 2026

    This work trains domain-specific multimodal experts and evaluates their weighted parameter-space combinations to estimate the efficacy of corresponding data mixtures, and empirically demonstrates that the merged proxy models exhibit a high rank correlation with models trained on actual data mixtures.

    –
  • Enabling Efficient Portrait Segmentation on Embedded Devices

    Benevelli, Riccardo, Alberto Ancilotto, Lorenzo Vaquero, Elisa Ricci, Elisabetta Farella

    Zenodo (CERN European Organization for Nuclear Research) · 2026

    –
  • Training-Free Semantic Multi-Object Tracking with Vision-Language Models

    Laurence Bonat, Francesco Tonini, Elisa Ricci, Lorenzo Vaquero

    International Conference on Automatic Face and Gesture Recognition · 2026

    TF-SMOT is proposed, a training-free SMOT pipeline that composes pretrained components for detection, mask-based tracking, and video-language generation and achieves state-of-the-art tracking performance within the SMOT setting and improves summary and caption quality compared to prior art.

    –
  • Zero-Shot Temporal Action Localization Through Textual Guidance

    Benedetta Liberatori, Alessandro Conti, Lorenzo Vaquero, Paolo Rota, Yiming Wang, Elisa Ricci

    International Conference on Automatic Face and Gesture Recognition · 2026

    Results show that, by exploiting rich textual information for improved action localization, TeGu outperforms state-of-the-art ZS-TAL approaches that do not involve training1.

    –
  • From Weights to Concepts: Data-Free Interpretability of CLIP via Singular Vector Decomposition

    Gentile, Francesco, Nicola Dall’Asen, Francesco Tonini, Massimiliano Mancini, Lorenzo Vaquero, Elisa Ricci

    Zenodo (CERN European Organization for Nuclear Research) · 2026

    –
  • Localize Any Object in X-Ray Security Scans without Human Annotation

    Yaqi Cai, Mingxuan Liu, Lorenzo Vaquero, Ning Wang, Nan Pu, Feng Xue, Elisa Ricci, Nicu Sebe

    arXiv · 2026

    –
  • Diversified In-domain Synthesis with Efficient Fine-Tuning for Few-Shot Classification

    Nicola Dall’Asen, Victor G. Turrisi da Costa, Yiming Wang, Nicu Sebe, Elisa Ricci

    Lecture notes in computer science · 2026

    –
  • Spot-the-shift: Evaluating Grounded Image Difference Captioning of Long-term Changes

    Benedetta Liberatori, Nermin Samet, Paolo Rota, Matthieu Cord, Elisa Ricci, Andrei Bursuc, Monika Wysoczańska

    arXiv · 2026

    –
  • LT-Soups: Bridging Head and Tail Classes via Subsampled Model Soups

    Masih Aminbeidokhti, Subhankar Roy, Eric Granger, Elisa Ricci, Marco Pedersoli

    neural information processing systems · 2025

    –
  • Unlearning personal data from a single image

    Thomas De Min, Massimiliano Mancini, Subhankar Roy, Stéphane Lathuilière, Elisa Ricci

    Zenodo (CERN European Organization for Nuclear Research) · 2025

    –
  • Training-free Online Video Step Grounding

    Luca Zanella, Massimiliano Mancini, Yiming Wang, Alessio Tonioni, Elisa Ricci

    neural information processing systems · 2025

    –
  • Development and evaluation of an OFDM-based bistatic S-band SDR breadboard system for waveform analysis and RADCOM detection processing

    Alberto Giacomini, Elisa Ricci, Sonia Quattrociocchi

    2024 IEEE International Workshop on Technologies for Defense and Security (TechDefense) · 2024

    –
  • Recognizing Actions in Videos under Domain Shift

    Elisa Ricci

    ACM International Conference on Multimedia Retrieval (ICMR) · 2023

    Some recent works of the research group on UVDA are presented, showing that, thanks to recent advances in deep architectures and to the advent of foundation models, it is possible to deal with more challenging and realistic settings and recognize out-of-distribution classes.

    –
  • Introduction to the Special Section on Learning Representations, Similarity, and Associations in Dynamic Multimedia Environments

    Xun Yang, Liang Zheng, Elisa Ricci, Meng Wang

    ACM Transactions on Multimedia Computing Communications and Applications · 2022

    The aim of this Special Section on “Learning Representations, Similarities, and Associations in Dynamic Multimedia Environments” is to bring academic researchers and industry developers together for sharing the recent advances and future trends of the representation/similarity learning and association of complex multimedia data.

    –
  • –
  • Responsible AI at the edge: towards privacy-preserving smart cities

    Luca Zanella, Yiming Wang, Nicola Dall’Asen, Alberto Ancilotto, Francesco Paissan, Elisa Ricci, Elisabetta Farella, Alessio Brutti, +1 more

    CINECA IRIS Institutial research information system (University of Pisa) · 2022

    –
  • Variational Structured Attention Networks for Dense Pixel-Wise Prediction

    Guanglei Yang, Paolo Rota, Xavier Alameda-Pineda, Dan Xu, Mingli Ding, Elisa Ricci

    2021

    –
  • Report on 2110.05383v2

    Daniele Contessi, Elisa Ricci, Alessio Recati, Matteo Rizzi

    2021

    –
  • Special Issue on Generating Realistic Visual Data of Human Behavior

    Xavier Alameda-Pineda, Elisa Ricci, Albert Ali Salah, Nicu Sebe, Shuicheng Yan

    International Journal of Computer Vision · 2020

    This special issue focuses on recent advances and novel methodologies for generating data containing human-like behaviour at multiple scales.

    –
  • Generative Multi Source Domain Adaptation

    Subhankar Roy, Aliaksandr Siarohin, Enver Sangineto, Moin Nabi, Tassilo Klein, Nicu Sebe, Elisa Ricci

    2019

    –
  • Introduction to the second workshop on natural language for artificial intelligence

    Pierpaolo Basile, Valerio Basile, Danilo Croce, Felice Dell’Orletta⋄, Marco Guerini, Attardi, Giuseppe, Agnese Augello, Roberto Basili, +17 more

    Cineca Institutional Research Information System (Tor Vergata University) · 2018

    The goal of the workshop “Natural Language for Artificial Intelligence” (NL4AI) is to provide a meeting forum for stimulating and disseminating research where researchers (especially those affiliated with Italian institutions) can network and discuss their results in an informal way.

    –
  • List of Contributors

    Xavier Alameda-Pineda, Stefano Alletto, Vasileios Argyriou, Claudio Baecchi, Lorenzo Baraldi, Marco Bertini, Marc Bolaños, Pierre Bour, +22 more

    Elsevier eBooks · 2018

    –
  • Il Futuro della Cybersecurity in Italia: Ambiti Progettuali Strategici

    Cosimo Anglano A, Leonardo Aniello, Arije Antinori, Alessandro Armando, Rocco Aversa, Marco Baldi, Roberto Baldoni, Antonio Barili, +22 more

    Archive of Doctoral Theses and Digital Collections (University of Calabria) · 2018

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  • Use of nanofluids as coolants in buoyancy-driven thermal management of embedded heating components of small-scale devices

    Paweł Ocłoń, Andrea Vallati, Elisa Ricci, Alessandro Quintino, Massimo Corcione

    Progress in Computational Fluid Dynamics An International Journal · 2017

    –
  • FP518HYDRATION STATUS: NOT JUST A MATTER OF NUMBERS

    Sara Battistoni, Elisa Ricci, Francesca Mattozzi, Gioia Fiorucci, Giuseppe Quintaliani

    Nephrology Dialysis Transplantation · 2015

    –
  • Transfer Learning for Visual Place Classification

    Thomas A. Ciarfuglia, Gabriele Costante, Paolo Valigi, Elisa Ricci

    2013

    –
  • –
  • A new algorithm for implementing BSB-based associative memories

    Daniele Casali, Giovanni Costantini, R. Perfetti, Elisa Ricci

    Cineca Institutional Research Information System (Tor Vergata University) · 2008

    The design of associative memories based on the generalized brain-state-in-a-box (GBSB) neural model is formulated as a set of independent classification tasks, which can be efficiently solved by standard software packages for SVM learning.

    –

Publication data from OpenAlex, with missing venues and authors filled in from Crossref; citation counts are the higher of OpenAlex and Semantic Scholar, last synced 2026-10-15. One-sentence summaries under some papers are written by Semantic Scholar’s model. Citation counts may be lower than on Google Scholar, which indexes more sources.

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