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Academic lineage

Possible advisorsa guess from early papers, not confirmed

  • Trevor J. Darrell

    Possible advisor · last author on 6 of their early first-author papers, 2002–2006

    Suggested from co-authorship
  • Piotr Indyk

    Possible advisor · last author on 4 of their early first-author papers, 2006

    Suggested from co-authorship

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Works125 from public data

TitleCited by
  • Deep Back-Projection Networks for Super-Resolution

    Muhammad Haris, Gregory Shakhnarovich, Norimichi Ukita

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

    It is shown that extending the idea to allow concatenation of features across up- and downsampling stages (Dense DBPN) allows us to reconstruct further improve super-resolution, yielding superior results and in particular establishing new state of the art results for large scaling factors such as 8× across multiple data sets.

    1,599
  • FractalNet: Ultra-Deep Neural Networks without Residuals.

    Gustav Larsson, Michael Maire, Gregory Shakhnarovich

    International Conference on Learning Representations · 2017

    In experiments, fractal networks match the excellent performance of standard residual networks on both CIFAR and ImageNet classification tasks, thereby demonstrating that residual representations may not be fundamental to the success of extremely deep convolutional neural networks.

    1,078
  • Learning Representations for Automatic Colorization

    Gustav Larsson, Michael Maire, Gregory Shakhnarovich

    Lecture notes in computer science · 2016

    A fully automatic image colorization system that leverages recent advances in deep networks, exploiting both low-level and semantic representations, and explores colorization as a vehicle for self-supervised visual representation learning.

    1,070
  • Score Jacobian Chaining: Lifting Pretrained 2D Diffusion Models for 3D Generation

    Haochen Wang, Xiaodan Du, Jiahao Li, Raymond A. Yeh, Gregory Shakhnarovich

    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 to apply chain rule on the learned gradients, and back-propagate the score of a diffusion model through the Jacobian of a differentiable renderer, which is instantiate to be a voxel radiance field.

    709
  • Nearest-Neighbor Methods in Learning and Vision: Theory and Practice (Neural Information Processing)

    Gregory Shakhnarovich, Trevor J. Darrell, Piotr Indyk

    The MIT Press eBooks · 2006

    This volume presents theoretical and practical discussions of nearest-neighbor (NN) methods in machine learning and examines computer vision as an application domain in which the benefit of these advanced methods is often dramatic.

    592
  • Nearest-neighbor methods in learning and vision : theory and practice

    Gregory Shakhnarovich, Piotr Indyk, Trevor J. Darrell

    2005

    This volume presents theoretical and practical discussions of nearest-neighbor (NN) methods in machine learning and examines computer vision as an application domain in which the benefit of these advanced methods is often dramatic.

    592
  • Recurrent Back-Projection Network for Video Super-Resolution

    Muhammad Haris, Gregory Shakhnarovich, Norimichi Ukita

    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 architecture for the problem of video super-resolution that integrates spatial and temporal contexts from continuous video frames using a recurrent encoder-decoder module, that fuses multi-frame information with the more traditional, single frame super- resolution path for the target frame.

    553
  • Colorization as a Proxy Task for Visual Understanding

    Gustav Larsson, Michael Maire, Gregory Shakhnarovich

    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 investigates and improves self-supervision as a drop-in replacement for ImageNet pretraining, focusing on automatic colorization as the proxy task, and presents the first in-depth analysis of self- supervision via colorization, concluding that formulation of the loss, training details and network architecture play important roles in its effectiveness.

    524
  • Feedforward semantic segmentation with zoom-out features

    Mohammadreza Mostajabi, Payman Yadollahpour, Gregory Shakhnarovich

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2015

    This work introduces a purely feed-forward architecture for semantic segmentation that exploits statistical structure in the image and in the label space without setting up explicit structured prediction mechanisms, and thus avoids complex and expensive inference.

    484
  • Instant3D: Fast Text-to-3D with Sparse-View Generation and Large Reconstruction Model

    Jiahao Li, Hao Tan, Kai Zhang, Zexiang Xu, Fujun Luan, Yinghao Xu, Yicong Hong, Kalyan Sunkavalli, +2 more

    arXiv · 2023

    This paper proposes Instant3D, a novel method that generates high-quality and diverse 3D assets from text prompts in a feed-forward manner and can generate diverse3D assets of high visual quality within 20 seconds, which is two orders of magnitude faster than previous optimization-based methods.

    456
  • NTIRE 2018 Challenge on Single Image Super-Resolution: Methods and Results

    Radu Timofte, Shuhang Gu, Jiqing Wu, Luc Van Gool, Lei Zhang, Shuicheng Yan, Muhammad Haris, Gregory Shakhnarovich, +22 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2018

    360
  • Face Recognition with Image Sets Using Manifold Density Divergence

    Ognjen Arandjelović, Gregory Shakhnarovich, John W. Fisher, Roberto Cipolla, Trevor J. Darrell

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2005

    339
  • Style Transfer by Relaxed Optimal Transport and Self-Similarity

    Nicholas Kolkin, Jason Salavon, Gregory Shakhnarovich

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

    The results indicate that for any desired level of content preservation, the proposed Style Transfer by Relaxed Optimal Transport and Self-Similarity (STROTSS), a new optimization-based style transfer algorithm, provides higher quality stylization than prior work.

    331
  • Face Recognition from Long-Term Observations

    Gregory Shakhnarovich, John W. Fisher, Trevor J. Darrell

    Lecture notes in computer science · 2002

    This work addresses the problem of face recognition from a large set of images obtained over time - a task arising in many surveillance and authentication applications and proposes an information-theoretic algorithm that classifies sets of images using the relative entropy between the estimated density of the input set and that of stored collections of images for each class.

    315
  • A unified learning framework for real time face detection and classification

    Gregory Shakhnarovich, Paul A. Viola, B. Moghaddam

    Proceedings of Fifth IEEE International Conference on Automatic Face Gesture Recognition · 2003

    282
  • Decoding Complete Reach and Grasp Actions from Local Primary Motor Cortex Populations

    Carlos E. Vargas-Irwin, Gregory Shakhnarovich, Payman Yadollahpour, John M.K. Mislow, Michael J. Black, John P. Donoghue

    Journal of Neuroscience · 2010

    The results suggest that achieving high-dimensional reach and grasp actions with neuroprosthetic devices may be possible using small intracortical arrays like those already being tested in human pilot clinical trials.

    278
  • Integrated face and gait recognition from multiple views

    Gregory Shakhnarovich, L. Lee, Trevor J. Darrell

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2005

    257
  • Inferring 3D Structure with a Statistical Image-Based Shape Model

    Kristen Grauman, Gregory Shakhnarovich, Trevor J. Darrell

    Proceedings Ninth IEEE International Conference on Computer Vision · 2003

    254
  • Nearest-Neighbor Searching and Metric Space Dimensions

    Gregory Shakhnarovich, Trevor J. Darrell, Piotr Indyk

    2006

    Several measures of dimension can be estimated using nearest-neighbor searching, while others can be used to estimate the cost of that searching.

    247
  • Task-Driven Super Resolution: Object Detection in Low-Resolution Images

    Muhammad Haris, Gregory Shakhnarovich, Norimichi Ukita

    Communications in computer and information science · 2021

    A novel framework to train a deep neural network where the SR sub-network explicitly incorporates a detection loss in its training objective, via a tradeoff with a traditional detection loss is proposed.

    226
  • Discriminability Objective for Training Descriptive Captions

    Ruotian Luo, Gregory Shakhnarovich, Scott D. Cohen, Brian L. Price

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

    By incorporating into the captioning training objective a loss component directly related to ability (by a machine) to disambiguate image/caption matches, this work obtains systems that produce much more discriminative caption, according to human evaluation.

    213
  • Face Recognition in Subspaces

    Gregory Shakhnarovich, Baback Moghaddam

    Springer eBooks · 2011

    This chapter describes in roughly chronologic order techniques that identify, parameterize, and analyze linear and nonlinear subspaces, from the original Eigenfaces technique to the recently introduced Bayesian method for probabilistic similarity analysis.

    209
  • Diverse M-Best Solutions in Markov Random Fields

    Dhruv Batra, Payman Yadollahpour, Abner Guzman-Rivera, Gregory Shakhnarovich

    Lecture notes in computer science · 2012

    This paper proposes an algorithm for the Diverse M-Best problem, which involves finding a diverse set of highly probable solutions under a discrete probabilistic model and shows that for certain families of dissimilarity functions the authors can guarantee that these solutions can be found as easily as the MAP solution.

    200
  • Comprehension-Guided Referring Expressions

    Ruotian Luo, Gregory Shakhnarovich

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

    A comprehension module trained on human-generated expressions serves as a differentiable proxy of human evaluation, providing training signal to the generation module, and it is shown that both approaches lead to improved referring expression generation on multiple benchmark datasets.

    187
  • Learning task-specific similarity

    Gregory Shakhnarovich

    DSpace@MIT (Massachusetts Institute of Technology) · 2005

    An algorithmic approach to learning similarity from examples of what objects are deemed similar according to the task-specific notion of similarity at hand, as well as optional negative examples, which allows to predict when two previously unseen examples are similar and to efficiently search a very large database for examples similar to a query.

    159
  • Examining the Impact of Blur on Recognition by Convolutional Networks

    Igor Vasiljevic, Ayan Chakrabarti, Gregory Shakhnarovich

    arXiv · 2016

    139
  • Space-Time-Aware Multi-Resolution Video Enhancement

    Muhammad Haris, Gregory Shakhnarovich, Norimichi Ukita

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

    The components of the model that generate latent low- and high-resolution representations during ST-SR can be used to finetune a specialized mechanism for just spatial or just temporal super-resolution.

    126
  • Image Segmentation by Cascaded Region Agglomeration

    Zhile Ren, Gregory Shakhnarovich

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2013

    124
  • NTIRE 2019 Challenge on Real Image Denoising: Methods and Results

    Abdelrahman Abdelhamed, Radu Timofte, Michael S. Brown, Songhyun Yu, Bumjun Park, Jechang Jeong, Seung‐Won Jung, Dong-Wook Kim, +22 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2019

    110
  • Learning silhouette features for control of human motion

    Liu Ren, Gregory Shakhnarovich, Jessica K. Hodgins, Hanspeter Pfister, Paul A. Viola

    ACM Transactions on Graphics · 2005

    109
  • On probabilistic combination of face and gait cues for identification

    Gregory Shakhnarovich, Trevor J. Darrell

    Proceedings of Fifth IEEE International Conference on Automatic Face Gesture Recognition · 2003

    106
  • A Systematic Exploration of Diversity in Machine Translation

    Kevin Gimpel, Dhruv Batra, Chris Dyer, Gregory Shakhnarovich

    Conference on Empirical Methods in Natural Language Processing (EMNLP) · 2013

    It is found that diversity can improve performance on these tasks, especially for sentences that are difficult for MT.

    99
  • Viewpoint-aware object detection and pose estimation

    Daniel Gläsner, Meirav Galun, Sharon Alpert, Ronen Basri, Gregory Shakhnarovich

    International Conference on Computer Vision · 2011

    97
  • Deep Back-ProjectiNetworks for Single Image Super-Resolution

    Muhammad Haris, Gregory Shakhnarovich, Norimichi Ukita

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2020

    This work proposes Deep Back-Projection Networks (DBPN), the winner of two image super-resolution challenges, that exploit iterative up- and down-sampling layers that represent different types of low- and high-resolution components.

    92
  • A Bayesian approach to image-based visual hull reconstruction

    Kristen Grauman, Gregory Shakhnarovich, Trevor J. Darrell

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2003

    89
  • Fingerspelling Recognition in the Wild With Iterative Visual Attention

    Bowen Shi, Aurora Martinez Del Rio, Jonathan Keane, Diane Brentari, Gregory Shakhnarovich, Karen Livescu

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

    This work proposes an end-to-end model based on an iterative attention mechanism, without explicit hand detection or segmentation, that out-performs prior work by a large margin on recognition of fingerspelling sequences in ASL videos collected in the wild.

    83
  • American Sign Language Fingerspelling Recognition in the Wild

    Bowen Shi, Aurora Martinez Del Rio, Jonathan Keane, Jonathan Michaux, Diane Brentari, Gregory Shakhnarovich, Karen Livescu

    IEEE Spoken Language Technology Workshop (SLT) · 2018

    This work introduces the largest data set available so far for the problem of fingerspelling recognition, and the first using naturally occurring video data, and presents the first attempt to recognize fingerspelling sequences in this challenging setting.

    80
  • Self-Supervised Relative Depth Learning for Urban Scene Understanding

    Huaizu Jiang, Gustav Larsson, Michael Maire, Gregory Shakhnarovich, Erik Learned-Miller

    Lecture notes in computer science · 2018

    78
  • Conditional Random People: Tracking Humans with CRFs and Grid Filters

    Leonid Taycher, David Demirdjian, Trevor J. Darrell, Gregory Shakhnarovich

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2006

    It is shown how a state temporal prior in the grid-filter can be computed in a manner similar to a sparse HMM, resulting in real-time system performance and is used for human pose tracking in video sequences.

    76
  • Face Recognition in Subspaces

    Gregory Shakhnarovich, Baback Moghaddam

    Springer eBooks · 2005

    76
  • Discriminative Re-ranking of Diverse Segmentations

    Payman Yadollahpour, Dhruv Batra, Gregory Shakhnarovich

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2013

    71
  • Full Surround Monodepth From Multiple Cameras

    Vitor Guizilini, Igor Vasiljevic, Rareş Ambruş, Gregory Shakhnarovich, Adrien Gaidon

    IEEE Robotics and Automation Letters · 2022

    This work learns a single network generating dense, consistent, and scale-aware point clouds that cover the same full surround as a typical LiDAR scanner, and proposes a new scale-consistent evaluation metric more suitable to multi-camera settings.

    68
  • Visually Grounded Learning of Keyword Prediction from Untranscribed Speech

    Herman Kamper, Shane Settle, Gregory Shakhnarovich, Karen Livescu

    Interspeech (USB) · 2017

    This work uses an image-to-words multi-label visual classifier to tag images with soft textual labels, and then trains a neural network to map from the speech to these soft targets, and shows that the resulting speech system is able to predict which words occur in an utterance without seeing any parallel speech and text.

    65
  • Deformable Style Transfer

    Sunnie S. Y. Kim, Nicholas Kolkin, Jason Salavon, Gregory Shakhnarovich

    Lecture notes in computer science · 2020

    De deformable style transfer (DST), an optimization-based approach that jointly stylizes the texture and geometry of a content image to better match a style image, is proposed.

    63
  • Open-Domain Sign Language Translation Learned from Online Video

    Bowen Shi, Diane Brentari, Gregory Shakhnarovich, Karen Livescu

    Conference on Empirical Methods in Natural Language Processing (EMNLP) · 2022

    61
  • Lexicon-free fingerspelling recognition from video: Data, models, and signer adaptation

    Tae-Hwan Kim, Jonathan Keane, Weiran Wang, Hao Tang, Jason Riggle, Gregory Shakhnarovich, Diane Brentari, Karen Livescu

    Computer Speech & Language · 2017

    This work collects and annotates a new data set of continuous fingerspelling videos, compares several types of recognizers, and explores the problem of signer variation.

    60
  • Avoiding the "streetlight effect": tracking by exploring likelihood modes

    David Demirdjian, Leonid Taycher, Gregory Shakhnarovich, Kristen Grauman, Trevor J. Darrell

    Tenth IEEE International Conference on Computer Vision (ICCV'05) Volume 1 · 2005

    60
  • Semantic Speech Retrieval With a Visually Grounded Model of Untranscribed Speech

    Herman Kamper, Gregory Shakhnarovich, Karen Livescu

    IEEE/ACM Transactions on Audio Speech and Language Processing · 2018

    This work studies how a visually grounded speech model, trained on images of scenes paired with spoken captions, captures aspects of semantics, and introduces a newly collected data set of human semantic relevance judgements and an associated task, semantic speech retrieval, where the goal is to search for spoken utterances that are semantically relevant to a given text query.

    56
  • Semantic keyword spotting by learning from images and speech.

    Herman Kamper, Gregory Shakhnarovich, Karen Livescu

    arXiv · 2017

    This work studies how a visually grounded speech model, trained on images of scenes paired with spoken captions, captures aspects of semantics, and introduces a newly collected data set of human semantic relevance judgements and an associated task, semantic speech retrieval, where the goal is to search for spoken utterances that are semantically relevant to a given text query.

    56
  • Generative Models: What Do They Know? Do They Know Things? Let's Find Out!

    Xiaodan Du, Nicholas Kolkin, Gregory Shakhnarovich, Anand Bhattad

    arXiv · 2023

    The findings indicate that a small Low-Rank Adaptators (LoRA) can recover intrinsic images-depth, normals, albedo and shading-across different generators (Autoregressive, GANs and Diffusion) while using the same decoder head that generates the image.

    54
  • Discovery of phosphorylation motif mixtures in phosphoproteomics data

    Anna Ritz, Gregory Shakhnarovich, Arthur R. Salomon, Benjamin J. Raphael

    Bioinformatics · 2008

    An algorithm that simultaneously discovers multiple motifs in a set of peptides that were phosphorylated by several different kinases is described, which provides a new approach for uncovering the sequence specificities of uncharacterized kinases or phosphatases.

    51
  • NTIRE 2019 Challenge on Image Enhancement: Methods and Results

    Andrey Ignatov, Radu Timofte, Xiaochao Qu, Xingguang Zhou, Ting Liu, Pengfei Wan, Syed Waqas Zamir, Aditya Arora, +22 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2019

    49
  • AIM 2019 Challenge on RAW to RGB Mapping: Methods and Results

    Andrey Ignatov, Radu Timofte, Sung-Jea Ko, Seungwook Kim, Kwang-Hyun Uhm, Seo-Won Ji, Sung-Jin Cho, Jun-Pyo Hong, +22 more

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

    48
  • Viewpoint-aware object detection and continuous pose estimation

    Daniel Gläsner, Meirav Galun, Sharon Alpert, Ronen Basri, Gregory Shakhnarovich

    Image and Vision Computing · 2012

    An approach to category-level detection and viewpoint estimation for rigid 3D objects from single 2D images is described, which relies on a nonparametric representation of a joint distribution of shape and appearance of the object class, allowing efficient accumulation of evidence.

    48
  • NTIRE 2019 Challenge on Video Super-Resolution: Methods and Results

    Seungjun Nah, Radu Timofte, Shuhang Gu, Sungyong Baik, Seokil Hong, Gyeongsik Moon, Sanghyun Son, Kyoung Mu Lee, +22 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2019

    45
  • Pixel Consensus Voting for Panoptic Segmentation

    Haochen Wang, Ruotian Luo, Michael Maire, Gregory Shakhnarovich

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

    The discretization of centroid voting reduces the training of instance segmentation to pixel labeling, analogous and complementary to FCN-style semantic segmentation, leading to an efficient and unified architecture that jointly models things and stuff.

    40
  • DIODE: A Dense Indoor and Outdoor DEpth Dataset

    Igor Vasiljevic, Kolkin, Nick, Zhang, Shanyi, Ruotian Luo, Haochen Wang, Falcon Z. Dai, Andrea F. Daniele, Mohammadreza Mostajabi, +3 more

    arXiv · 2019

    40
  • Sparse Coding for Learning Interpretable Spatio-Temporal Primitives

    Tae-Hwan Kim, Gregory Shakhnarovich, Raquel Urtasun

    Neural Information Processing Systems · 2010

    This paper formulated the problem as a tensor factorization problem with tensor group norm constraints over the primitives, diagonal constraints on the activations that provide interpretability as well as smoothness constraints that are inherent to human motion.

    39
  • NTIRE 2019 Challenge on Video Deblurring: Methods and Results

    Seungjun Nah, Radu Timofte, Sungyong Baik, Seokil Hong, Gyeongsik Moon, Sanghyun Son, Kyoung Mu Lee, Xintao Wang, +22 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2019

    38
  • Information-Theoretic Segmentation by Inpainting Error Maximization

    Pedro Savarese, Sunnie S. Y. Kim, Michael Maire, Gregory Shakhnarovich, David McAllester

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

    This work proposes a novel adversarial method that performs unsupervised segmentation by partitioning images into maximally independent sets, with the goal of minimizing predictability of one set from the other.

    37
  • Fingerspelling Detection in American Sign Language

    Bowen Shi, Diane Brentari, Gregory Shakhnarovich, Karen Livescu

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

    A new model is proposed that learns to detect fingerspelling via multi-task training, incorporating pose estimation and fingerspelling recognition along with detection, and this model outperforms all alternative approaches across all metrics, establishing a state of the art on the benchmark.

    34
  • Self-Supervised Camera Self-Calibration from Video

    Jiading Fang, Igor Vasiljevic, Vitor Guizilini, Rareş Ambruş, Gregory Shakhnarovich, Adrien Gaidon, Matthew R. Walter

    Proceedings - IEEE International Conference on Robotics and Automation/Proceedings · 2022

    This paper proposes a learning algorithm to regress per-sequence calibration parameters using an efficient family of general camera models, and achieves self-calibration results with sub-pixel reprojection error, outperforming other learning-based methods.

    33
  • Depth from a Single Image by Harmonizing Overcomplete Local Network Predictions

    Ayan Chakrabarti, Shao, Jingyu, Gregory Shakhnarovich

    arXiv · 2016

    33
  • Neural Neighbor Style Transfer

    Nicholas Kolkin, Michal Kučera, Sylvain Paris, Daniel Sýkora, Eli Shechtman, Gregory Shakhnarovich

    arXiv · 2022

    This work proposes Neural Neighbor Style Transfer (NNST), a pipeline that offers state-of-the-art quality, generalization, and competitive efficiency for artistic style transfer by explicitly replacing neural features extracted from the content input with those from a style exemplar.

    32
  • Regularizing Deep Networks by Modeling and Predicting Label Structure

    Mohammadreza Mostajabi, Michael Maire, Gregory Shakhnarovich

    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 constructs custom regularization functions for use in supervised training of deep neural networks by building an abstract model of the label space, and then training the network to understand this abstraction alongside the original task.

    32
  • Neural Ray Surfaces for Self-Supervised Learning of Depth and Ego-motion

    Igor Vasiljevic, Vitor Guizilini, Rareş Ambruş, Sudeep Pillai, Wolfram Burgard, Gregory Shakhnarovich, Adrien Gaidon

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

    It is shown that self-supervision can be used to learn accurate depth and ego-motion estimation without prior knowledge of the camera model, and Neural Ray Surfaces (NRS) are introduced, convolutional networks that represent pixel-wise projection rays, approximating a wide range of cameras.

    31
  • Deep Back-Projection Networks for Single Image Super-resolution

    Muhammad Haris, Gregory Shakhnarovich, Norimichi Ukita

    arXiv · 2019

    31
  • Locally Weighted Regression

    Sham M. Kakade, Gregory Shakhnarovich

    2009

    Two " global " approaches to regression: Parametric: assume parametric form y = f (x; θ), fit the parameters to the training set θ * = argmin θ n i=1 L(y i , f (x i ; θ) and then estimatê y 0 = f (x 0 ; θ *) • Pros: Once trained, cheap to apply on any new data points.

    29
  • Decoding grasp aperture from motor-cortical population activity

    Panagiotis Artemiadis, Gregory Shakhnarovich, Carlos E. Vargas-Irwin, John P. Donoghue, Michael J. Black

    International IEEE/EMBS Conference on Neural Engineering · 2007

    29
  • Adapting CLIP For Phrase Localization Without Further Training

    Jiahao Li, Gregory Shakhnarovich, Raymond A. Yeh

    arXiv · 2022

    This work adapts CLIP to generate high-resolution spatial feature maps and can extract feature maps from both ViT and ResNet CLIP model while maintaining the semantic properties of an image embedding, which provides a natural framework for phrase localization.

    28
  • Fingerspelling Recognition with Semi-Markov Conditional Random Fields

    Tae-Hwan Kim, Gregory Shakhnarovich, Karen Livescu

    IEEE International Conference on Computer Vision (ICCV) · 2013

    28
  • An investigation of computational and informational limits in Gaussian mixture clustering

    Nathan Srebro, Gregory Shakhnarovich, Sam T. Roweis

    International Conference on Machine Learning · 2006

    It is shown that using principal component projection greatly aids in recovering the clustering using EM, and empirical evidence is presented that even using such a projection, there is still a large gap between the number of samples needed to recover the clusters using EM.

    28
  • Part Discovery from Partial Correspondence

    Subhransu Maji, Gregory Shakhnarovich

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2013

    27
  • A consistent estimator of the expected gradient outerproduct

    Shubhendu Trivedi, Jialei Wang, Samory Kpotufe, Gregory Shakhnarovich

    Conference on Uncertainty in Artificial Intelligence · 2014

    It is shown that a simple rough estimator, much cheaper in practice, suffices to obtain significant improvements on real-world nonparametric classification and regression tasks and it is proved that, despite its simplicity, this rough estimators remains statistically consistent under mild conditions.

    26
  • Boosted Dyadic Kernel Discriminants

    Baback Moghaddam, Gregory Shakhnarovich

    Neural Information Processing Systems · 2002

    A novel learning algorithm for binary classification with hyperplane discriminants based on pairs of training points from opposite classes (dyadic hypercuts) is introduced and this algorithm is further extended to nonlinear discriminant using kernel functions satisfying Mercer's conditions.

    25
  • EditDuet: A Multi-Agent System for Video Non-Linear Editing

    Marcelo Sandoval-Castañeda, Bryan Russell, Josef Šivic, Gregory Shakhnarovich, Fabian Caba Heilbron

    ACM SIGGRAPH Conference Papers (SIGGRAPH) · 2025

    This work proposes to automate the core task of video editing, formulating it as sequential decision making process with a multi-agent approach, and introduces a learning-based approach for enabling effective communication across specialized agents to address the language-driven video editing task.

    21
  • American sign language fingerspelling recognition with phonological feature-based tandem models

    Tae-Hwan Kim, Karen Livescu, Gregory Shakhnarovich

    IEEE Spoken Language Technology Workshop (SLT) · 2012

    20
  • New Algorithms for Efficient High-Dimensional Nonparametric Classification

    Gregory Shakhnarovich, Trevor J. Darrell, Piotr Indyk

    2006

    18
  • SPLART: Articulation Estimation and Part-Level Reconstruction with 3D Gaussian Splatting

    Shengjie Lin, Jiading Fang, Muhammad Zubair Irshad, Vitor Guizilini, Rareş Ambruş, Gregory Shakhnarovich, Matthew R. Walter

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

    SplArt is introduced, a self-supervised, category-agnostic framework that uses 3D Gaussian Splatting (3DGS) to reconstruct and infer the kinematics of articulated objects from two sets of posed RGB images captured at different articulation states, enabling real-time photorealistic rendering for novel viewpoints and articulations.

    16
  • HyperFields: Towards Zero-Shot Generation of NeRFs from Text

    Sudarshan Babu, Liu, Richard, Zhou, Avery, Michael Maire, Gregory Shakhnarovich, Rana Hanocka

    arXiv · 2023

    This work introduces HyperFields, a method for generating text-conditioned Neural Radiance Fields with a single forward pass and (optionally) some fine-tuning that benefits from accelerated convergence thanks to the learned general map, and is capable of synthesizing novel scenes 5 to 10 times faster than existing neural optimization-based methods.

    15
  • Knowing a Good HOG Filter When You See It: Efficient Selection of Filters for Detection

    Ejaz Ahmed, Gregory Shakhnarovich, Subhransu Maji

    Lecture notes in computer science · 2014

    It is shown that one can learn a universal model of part “goodness” based on properties that can be computed from the filter itself, which will improve its detection performance on the PASCAL VOC data sets, while speeding up training by an order of magnitude.

    15
  • Zero-Shot Novel View and Depth Synthesis with Multi-View Geometric Diffusion

    Vitor Guizilini, Muhammad Zubair Irshad, Dian Chen, Gregory Shakhnarovich, Rareş Ambruş

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

    MVGD is introduced, a diffusion-based architecture capable of direct pixel-level generation of images and depth maps from novel viewpoints, given an arbitrary number of input views, and a novel strategy that enables the efficient training of larger models by incrementally fine-tuning smaller ones, with promising scaling behavior.

    14
  • Natural and Adversarial Error Detection using Invariance to Image Transformations

    Yuval Bahat, Michal Irani, Gregory Shakhnarovich

    arXiv · 2019

    14
  • Confidence from Invariance to Image Transformations

    Yuval Bahat, Gregory Shakhnarovich

    arXiv · 2018

    14
  • Part Annotations via Pairwise Correspondence.

    Subhransu Maji, Gregory Shakhnarovich

    HCOMP@AAAI · 2012

    The use of an interface to mark pairs of points on two images which are in “correspondence” with one another, as a way of collecting part annotations is explored.

    13
  • Transcrib3D: 3D Referring Expression Resolution through Large Language Models

    Jiading Fang, Xiangshan Tan, Shengjie Lin, Igor Vasiljevic, Vitor Guizilini, Hongyuan Mei, Rareş Ambruş, Gregory Shakhnarovich, +1 more

    IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) · 2024

    This work introduces Transcrib3D, an approach that brings together 3D detection methods and the emergent reasoning capabilities of large language models (LLMs), and shows that the method enables a real robot to perform pick-and-place tasks given queries that contain challenging referring expressions.

    12
  • Self-Supervised Video Transformers for Isolated Sign Language Recognition

    Marcelo Sandoval-Castañeda, Yanhong Li, Diane Brentari, Karen Livescu, Gregory Shakhnarovich

    arXiv · 2023

    The results on WLASL2000 highlight the power of masked reconstruction pre-training, and the linear probing results demonstrate the importance of hierarchical vision transformers for sign language representation.

    12
  • Depth Field Networks For Generalizable Multi-view Scene Representation

    Vitor Guizilini, Igor Vasiljevic, Jiading Fang, Rare Ambru, Gregory Shakhnarovich, Matthew R. Walter, Adrien Gaidon

    Lecture notes in computer science · 2022

    12
  • Discriminative Metric Learning by Neighborhood Gerrymandering

    Shubhendu Trivedi, David McAllester, Gregory Shakhnarovich

    Neural Information Processing Systems · 2014

    This work describes an efficient algorithm for exact loss augmented inference, and a fast gradient descent algorithm for learning in this model of metric learning for k nearest neighbor classification, reminiscent of gerrymandering.

    12
  • Smoothed Bootstrap and Statistical Data Cloning for Classifier Evaluation

    Gregory Shakhnarovich, Ran El‐Yaniv, Yoram Baram

    International Conference on Machine Learning · 2001

    A number of novel bootstrap estimators, based on kernel smoothing, are presented that consistently show superior performance on both synthetic and real data, with respect to other established methods, enabling better classifier evaluation over limited real data repositories such as the UCI repository.

    11
  • SHuBERT: Self-Supervised Sign Language Representation Learning via Multi-Stream Cluster Prediction

    Shester Gueuwou, Xiaodan Du, Gregory Shakhnarovich, Karen Livescu, Alexander H. Liu

    Annual Meeting of the Association for Computational Linguistics (ACL) · 2025

    10
  • NeRFuser: Large-Scale Scene Representation by NeRF Fusion

    Jiading Fang, Shengjie Lin, Igor Vasiljevic, Vitor Guizilini, Rareş Ambruş, Adrien Gaidon, Gregory Shakhnarovich, Matthew R. Walter

    arXiv · 2023

    A novel architecture for NeRF registration and blending that assumes only access to pre-generated NeRFs, and not the potentially large sets of images used to generate them, is proposed, and a sample-based inverse distance weighting to blend visual information at the ray-sample level is proposed.

    9
  • Self-Supervised Depth Learning for Urban Scene Understanding

    Huaizu Jiang, Erik Learned-Miller, Gustav Larsson, Michael Maire, Gregory Shakhnarovich

    arXiv.org · 2017

    This work trains a deep network, using fully automatic supervision, to predict relative scene depth from single images, and shows that this pretext task of predicting depth from a single image induces features in the network that result in large improvements in a set of downstream tasks.

    9
  • Part and Attribute Discovery from Relative Annotations

    Subhransu Maji, Gregory Shakhnarovich

    International Journal of Computer Vision · 2014

    An annotation framework based on comparisons between pairs of instances within a set, which aims to reduce the overhead in manually specifying the set of part and attribute labels, which is applicable to a wide range of categories.

    9
  • Virtual Visual Hulls: Example-Based 3D Shape Inference from Silhouettes

    Kristen Grauman, Gregory Shakhnarovich, Trevor J. Darrell

    Lecture notes in computer science · 2004

    A method for estimating the 3D visual hull of an object from a known class given a single silhouette or sequence of silhouettes observed from an unknown viewpoint and results are shown on real and synthetic images of people.

    9
  • Searching for fingerspelled content in American Sign Language

    Bowen Shi, Diane Brentari, Gregory Shakhnarovich, Karen Livescu

    Annual Meeting of the Association for Computational Linguistics (ACL) · 2022

    8
  • TTIC’s WMT-SLT 22 Sign Language Translation System

    Bowen Shi, Diane Brentari, Gregory Shakhnarovich, Karen Livescu

    Conference on Machine Translation (WMT) · 2022

    8
  • Analysis of diversity-accuracy tradeoff in image captioning

    Ruotian Luo, Gregory Shakhnarovich

    arXiv · 2020

    8
  • FastMap: Revisiting Structure from Motion Through First-Order Optimization

    Jiahao Li, Haochen Wang, Muhammad Zubair Irshad, Igor Vasiljevic, Matthew R. Walter, Vitor Guizilini, Gregory Shakhnarovich

    International Conference on 3D Vision (3DV) · 2026

    Through extensive experiments, this work shows that FastMap is up to 10 × faster than COLMAP and GLOMAP with GPU acceleration and achieves comparable pose accuracy, and identifies and eliminates two key performance bottlenecks: computational complexity and the kernel implementation of each optimization step.

    7
  • Classification Confidence Estimation with Test-Time Data-Augmentation

    Yuval Bahat, Gregory Shakhnarovich

    arXiv · 2020

    7
  • SignMusketeers: An Efficient Multi-Stream Approach for Sign Language Translation at Scale

    Shester Gueuwou, Xiaodan Du, Gregory Shakhnarovich, Karen Livescu

    Findings of the Association for Computational Linguistics: ACL 2025 · 2025

    6
  • Nonlinear physically-based models for decoding motor-cortical population activity

    Gregory Shakhnarovich, Sung-Phil Kim, Michael J. Black

    The MIT Press eBooks · 2007

    It is found that the decoded spring coefficients produced accurate hand trajectories compared with state-of-the-art methods for direct decoding of hand kinematics and that their frequency spectrum more closely matched that of natural hand movements.

    6
  • 6-DoF Stability Field via Diffusion Models

    Takuma Yoneda, Tianchong Jiang, Gregory Shakhnarovich, Matthew R. Walter

    arXiv · 2023

    6-DoFusion is presented, a generative model capable of generating 3D poses of an object that produces a stable configuration of a given scene that is able to construct stable scenes that involve novel object classes as well as to improve the accuracy of state-of-the-art 3D pose estimation methods.

    5
  • Training Deep Networks to be Spatially Sensitive

    Nicholas Kolkin, Gregory Shakhnarovich, Eli Shechtman

    IEEE International Conference on Computer Vision (ICCV) · 2017

    By incorporating spatial information into the objective, this work can use a simpler model than competing methods without sacrificing accuracy, resulting in faster inference speeds and alleviating the need for pre/post-processing.

    5
  • TTIC’s Submission to WMT-SLT 23

    Marcelo Sandoval-Castañeda, Yanhong Li, Bowen Shi, Diane Brentari, Karen Livescu, Gregory Shakhnarovich

    Conference on Machine Translation (WMT) · 2023

    4
  • Detection and Description of Change in Visual Streams

    Davis Gilton, Ruotian Luo, Rebecca M. Willett, Gregory Shakhnarovich

    arXiv · 2020

    4
  • Approximate Nearest Neighbor Regression in Very High Dimensions

    Gregory Shakhnarovich, Trevor J. Darrell, Piotr Indyk

    2006

    This chapter contains sections titled: Introduction, Evidence for Low-Dimensional Distributions, Local Dimensionality Reduction, Locally Weighted Projection Regression, Empirical Evaluation, Bayesian Backfitting, Discussion.

    4
  • Alpha Invariance: On Inverse Scaling Between Distance and Volume Density in Neural Radiance Fields

    Joshua Ahn, Haochen Wang, Raymond A. Yeh, Gregory Shakhnarovich

    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 revisits a few popular radiance field models and finds that these systems use various heuristics to deal with issues arising from scene scaling, and recommends a discretization-agnostic initialization strategy to guarantee high ray transmittance.

    3
  • Boosting Barely Robust Learners: A New Perspective on Adversarial Robustness

    Avrim L. Blum, Omar Montasser, Gregory Shakhnarovich, Hongyang Zhang

    neural information processing systems · 2022

    This work presents an oracle-efficient algorithm for boosting the adversarial robustness of barely robust learners and reveals a qualitative and quantitative equivalence between two seemingly unrelated problems: strongly robust learning and barely robust learning.

    3
  • LoopDraw: a Loop-Based Autoregressive Model for Shape Synthesis and Editing

    Nam Anh Dinh, Haochen Wang, Gregory Shakhnarovich, Rana Hanocka

    arXiv · 2022

    This work presents a new, compelling alternative for representing shapes using a sequence of cross-sectional closed loops, and demonstrates that loops are intuitive and natural primitive for analyzing and editing shapes, both computationally and for users.

    3
  • OmniShape: Zero-Shot Multi-Hypothesis Shape and Pose Estimation in the Real World

    Katherine Tin Heng Liu, Sergey Zakharov, Dian Chen, Takuya Ikeda, Gregory Shakhnarovich, Adrien Gaidon, Rareş Ambruş

    Proceedings - IEEE International Conference on Robotics and Automation/Proceedings · 2025

    This work proposes OmniShape, the first method of its kind to enable probabilistic pose and shape estimation, based on the key insight that shape completion can be decoupled into two multi-modal distributions.

    2
  • Text-Free Learning of a Natural Language Interface for Pretrained Face Generators

    Xiaodan Du, Raymond A. Yeh, Nicholas Kolkin, Eli Shechtman, Gregory Shakhnarovich

    arXiv · 2022

    Fast text2StyleGAN is a natural language interface that adapts pre-trained GANs for text-guided human face synthesis and offers faster and more accurate generation of images from natural language descriptions with varying levels of detail compared to prior work.

    2
  • Controlling Length in Image Captioning

    Ruotian Luo, Gregory Shakhnarovich

    arXiv · 2020

    2
  • Diverse Sampling for Self-Supervised Learning of Semantic Segmentation

    Mohammadreza Mostajabi, Nicholas Kolkin, Gregory Shakhnarovich

    arXiv · 2016

    2
  • Notes on the Shannon Entropy of the Neural Response

    Gregory Shakhnarovich, Jake Bouvrie, Lorenzo Rosasco, Steve Smale

    DSpace@MIT (Massachusetts Institute of Technology) · 2009

    In these notes, the concept of Shannon entropy is focused on in an attempt to provide a systematic way of assessing the discrimination properties of the neural response, and quantifying the role played by the number of layers and theNumber of templates.

    1
  • A Slicing-Based Coherence Measure for Clusters of DTI Integral Curves

    Çağatay Demiralp, Gregory Shakhnarovich, Song Zhang, David H. Laidlaw

    Lecture notes in computer science · 2008

    A slicing-based coherence measure based on the spatial relations between the projections of the curve points in individual slices and their change across the slices is presented and used in refining agglomerative hierarchical clustering results of DTI curves that correspond to neural pathways.

    1
  • Parameter-Sensitive Hashing for Fast Pose Estimation

    Gregory Shakhnarovich, Paul A. Viola, Trevor J. Darrell

    The MIT Press eBooks · 2006

    1
  • Virtual Visual Hulls: Example-Based 3D Shape Estimation from a Single Silhouette

    Kristen Grauman, Gregory Shakhnarovich, Trevor J. Darrell

    DSpace@MIT (Massachusetts Institute of Technology) · 2004

    This work presents a method for generating a “virtual visual hull”– an estimate of the 3D shape of an object from a known class, given a single silhouette observed from an unknown viewpoint.

    1
  • Cross-Modal Taxonomic Generalization in (Vision-) Language Models

    Tianyang Xu, Marcelo Sandoval-Castañeda, Karen Livescu, Gregory Shakhnarovich, Kanishka Misra

    Annual Meeting of the Association for Computational Linguistics (ACL) · 2026

    –
  • Autoregressive Modeling of Film with Applications in Video Montage

    Marcelo Sandoval-Castañeda, Fabian Caba Heilbron, Shiry Ginosar, Bryan Russell, Josef Šivic, Alexei A. Efros, Gregory Shakhnarovich

    ACM SIGGRAPH Conference Papers (SIGGRAPH) · 2026

    This work introduces FilmGPT, an autoregressive transformer designed to address the challenge of video montage – turning a collection of raw, “unwatchable” footage into coherent cinematic sequences, and introduces a footage-constrained decoding algorithm to select the best next shot from the input raw footage according to the statistical patterns learned from films.

    –
  • Targeted Linguistic Analysis of Sign Language Models with Minimal Translation Pairs

    Serpil Karabüklü, Kanishka Misra, Shester Gueuwou, Diane Brentari, Gregory Shakhnarovich, Karen Livescu

    arXiv · 2026

    A targeted analysis of the state-of-the-art ASL-to-English translation model is conducted, showing that, while the model performs above chance level on most of the phenomena, it relies strongly on manual cues while often missing crucial non-manual cues.

    –
  • Generative AI Meets Computer Graphics

    Lingjie Liu, Minghao Guo, Yin Yang, Chenfanfu Jiang, Wojciech Matusik, Gregory Shakhnarovich, Jiajun Wu, Xin Tong, +3 more

    Proceedings of the Special Interest Group on Computer Graphics and Interactive Techniques Conference Technical Workshops · 2026

    This workshop will bring together researchers and practitioners working on text-/image-conditioned 3D generation, learning-based and hybrid simulation methods, and generative tools for geometric editing, retopology, and asset refinement, as well as generative approaches for design and physically plausible motion and dynamics generation.

    –
  • Teaching an Agent to Sketch One Part at a Time

    Xiaodan Du, Ruize Xu, David Yunis, Yael Vinker, Gregory Shakhnarovich

    Lecture notes in computer science · 2026

    –
  • Introduction

    Gregory Shakhnarovich, Piotr Indyk, Trevor J. Darrell

    The MIT Press eBooks · 2006

    –
  • Performance of Approximate Nearest Neighbor Classification

    Gregory Shakhnarovich, John W. Fisher

    2005

    Convergence of RN to R∞ can be arbitrarily slow [2, 4]; no distribution-independent results for RN are known.

    –

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 2026-10-14. 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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