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  • MLESAC: A New Robust Estimator with Application to Estimating Image Geometry

    Philip H. S. Torr, A. Zisserman

    Computer Vision and Image Understanding · 2000

    A new robust estimator MLESAC is presented which is a generalization of the RANSAC estimator which adopts the same sampling strategy as RANSac to generate putative solutions, but chooses the solution that maximizes the likelihood rather than just the number of inliers.

    2,696
  • An Embarrassingly Simple Approach to Zero-Shot Learning

    Bernardino Romera‐Paredes, Philip H. S. Torr

    Advances in computer vision and pattern recognition · 2017

    This paper describes a zero-shot learning approach that can be implemented in just one line of code, yet it is able to outperform state of the art approaches on standard datasets.

    1,359
  • The StarCraft Multi-Agent Challenge

    Mikayel Samvelyan, Tabish Rashid, Christian Schroeder de Witt, Gregory Farquhar, Nantas Nardelli, Tim G. J. Rudner, Chia-Man Hung, Philip H. S. Torr, +2 more

    Adaptive Agents and Multi-Agents Systems · 2019

    The StarCraft Multi-Agent Challenge (SMAC), based on the popular real-time strategy game StarCraft II, is proposed as a benchmark problem and an open-source deep multi-agent RL learning framework including state-of-the-art algorithms is opened.

    1,324
  • Robust Higher Order Potentials for Enforcing Label Consistency

    Pushmeet Kohli, Ľubor Ladický, Philip H. S. Torr

    International Journal of Computer Vision · 2009

    1,042
  • Model-based hand tracking using a hierarchical Bayesian filter

    Björn Stenger, Arasanathan Thayananthan, Philip H. S. Torr, Roberto Cipolla

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2006

    513
  • The Visual Object Tracking VOT2017 Challenge Results

    Matej Kristan, Aleš Leonardis, Jiřı́ Matas, Michael Felsberg, Roman Pflugfelder, Luka Čehovin Zajc, Tomas Vojir, Gustav Hager, +22 more

    IEEE International Conference on Computer Vision Workshops · 2017

    458
  • OBJ CUT

    Manish Kumar, Philip H. S. Torr, Andrew Zisserman

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

    412
  • Global stereo reconstruction under second order smoothness priors

    Oliver J. Woodford, Philip H. S. Torr, Ian D. Reid, Andrew W Fitzgibbon

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2008

    394
  • Shape context and chamfer matching in cluttered scenes

    Arasanathan Thayananthan, Björn Stenger, Philip H. S. Torr, Roberto Cipolla

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

    375
  • Multi-View Stereo via Volumetric Graph-Cuts

    George Vogiatzis, Philip H. S. Torr, Roberto Cipolla

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

    372
  • What, Where and How Many? Combining Object Detectors and CRFs

    Ľubor Ladický, Paul Sturgess, Karteek Alahari, Chris Russell, Philip H. S. Torr

    Lecture notes in computer science · 2010

    A probabilistic framework for reasoning about regions, objects, and their attributes such as object class, location, and spatial extent is presented, which combines results from sliding window detectors, and low-level pixel-based unary and pairwise relations.

    370
  • Graph Cut Based Inference with Co-occurrence Statistics

    Ľubor Ladický, Chris Russell, Pushmeet Kohli, Philip H. S. Torr

    Lecture notes in computer science · 2010

    This paper considers a class of global potentials defined over all variables in the CRF to show how they can be readily optimised using standard graph cut algorithms at little extra expense compared to a standard pairwise field.

    366
  • Geometric motion segmentation and model selection

    Philip H. S. Torr

    Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences · 1998

    This paper places the problems of model selection, robust estimation and clustering into a common statistical framework; investigating the use of information criteria and robust mixture models as a principled way for motion segmentation of images.

    350
  • Multiview Stereo via Volumetric Graph-Cuts and Occlusion Robust Photo-Consistency

    George Vogiatzis, Carlos Hernández Esteban, Philip H. S. Torr, Roberto Cipolla

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2007

    329
  • Robust parameterization and computation of the trifocal tensor

    Philip H. S. Torr, Andrew Zisserman

    Image and Vision Computing · 1997

    This paper presents all algorithm for computing a maximum likelihood estimate (MLE) of the trifocal tensor and the proposed parameterization is compared to other existing methods.

    325
  • Bayesian Model Estimation and Selection for Epipolar Geometry and Generic Manifold Fitting

    Philip H. S. Torr

    International Journal of Computer Vision · 2002

    This paper explores ways of automating the model selection process with specific emphasis on the least squares problem of fitting manifolds to data points, illustrated with respect to epipolar geometry.

    299
  • Solving Energies with Higher Order Cliques

    Pushmeet Kohli, Manish Kumar, Philip H. S. Torr

    2007 IEEE Conference on Computer Vision and Pattern Recognition · 2007

    278
  • P3 & Beyond: Solving Energies with Higher Order Cliques

    Pushmeet Kohli, Manish Kumar, Philip H. S. Torr

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2007

    278
  • Combining Appearance and Structure from Motion Features for Road Scene Understanding

    Paul Sturgess, Karteek Alahari, Ľubor Ladický, Philip H. S. Torr

    British Machine Vision Conference (BMVC) · 2009

    A framework for pixel-wise object segmentation of road scenes that combines motion and appearance features that is designed to handle street-level imagery such as that on Google Street View and Microsoft Bing Maps is presented.

    265
  • Dynamic Graph Cuts for Efficient Inference in Markov Random Fields

    Pushmeet Kohli, Philip H. S. Torr

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2007

    260
  • Robust computation and parametrization of multiple view relations

    Philip H. S. Torr, Andrew Zisserman

    International Conference on Computer Vision · 2002

    232
  • An integrated Bayesian approach to layer extraction from image sequences

    Philip H. S. Torr, Richard Szeliski, P. Anandan

    IEEE International Conference on Computer Vision (ICCV) · 1999

    227
  • The Landscape of Agentic Reinforcement Learning for LLMs: A Survey

    Guibin Zhang, Geng, Hejia, Yu, Xiaohang, Zhenfei Yin, Zhang, Zaibin, Tan, Zelin, Heng Zhou, Zhongzhi Li, +17 more

    arXiv · 2025

    A comprehensive twofold taxonomy is proposed: one organized around core agentic capabilities, including planning, tool use, memory, reasoning, self-improvement, and perception, and the other around their applications across diverse task domains.

    221
  • Efficiently solving dynamic Markov random fields using graph cuts

    Pushmeet Kohli, Philip H. S. Torr

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

    220
  • Computationally efficient face detection

    Sami Romdhani, Philip H. S. Torr, Bernhard Schölkopf, Andrew Blake

    IEEE International Conference on Computer Vision (ICCV) · 2002

    219
  • Modelling and Interpretation of Architecture from Several Images

    Anthony Dick, Philip H. S. Torr, Roberto Cipolla

    International Journal of Computer Vision · 2004

    This paper describes the automatic acquisition of three dimensional architectural models from short image sequences using Bayesian and model based methods and proves the validity of the prior by verifying that plausible buildings are generated under varying conditions.

    215
  • Learning Layered Motion Segmentations of Video

    M. P. Pavan Kumar, Philip H. S. Torr, Andrew Zisserman

    International Journal of Computer Vision · 2007

    214
  • VideoTrace

    Anton van den Hengel, Anthony Dick, Thorsten Thormählen, Ben M. Ward, Philip H. S. Torr

    ACM SIGGRAPH Conference Papers (SIGGRAPH) · 2007

    The combination of automated and manual reconstruction allows VideoTrace to model parts of the scene not visible, and to succeed in cases where purely automated approaches would fail.

    209
  • Posecut: Simultaneous segmentation and 3D pose estimation of humans using dynamic graph-cuts

    M. Bray, Pushmeet Kohli, Philip H. S. Torr

    European Conference on Computer Vision · 2006

    The method is completely generic and can be used to segment and infer the pose of any specified rigid, deformable or articulated object.

    201
  • Randomized trees for human pose detection

    Grégory Rogez, Jonathan Rihan, Srikumar Ramalingam, Carlos Orrite, Philip H. S. Torr

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2008

    189
  • Is Independent Learning All You Need in the StarCraft Multi-Agent Challenge?

    Christian Schroeder de Witt, Gupta, Tarun, Denys Makoviichuk, Viktor Makoviychuk, Philip H. S. Torr, Mingfei Sun, Shimon Whiteson

    arXiv · 2020

    183
  • The Problem of Degeneracy in Structure and Motion Recovery from Uncalibrated Image Sequences

    Philip H. S. Torr, Andrew W Fitzgibbon, Andrew Zisserman

    International Journal of Computer Vision · 1999

    The aim of this work is the recovery of 3D structure and camera projection matrices for each frame of an uncalibrated image sequence, and investigates two strategies for tackling degeneracies, including a statistical model selection test to identify when degeneracies occur.

    183
  • Gaussian Process Latent Variable Models for Human Pose Estimation

    Carl Henrik Ek, Philip H. S. Torr, Neil David Lawrence

    Springer eBooks · 2008

    A dynamical model over the latent space is learned which allows us to disambiguate between ambiguous silhouettes by temporal consistency and is easily extended to multiple observation spaces without constraints on type.

    175
  • OASIS: Open Agent Social Interaction Simulations with One Million Agents

    Ziyi Yang, Zaibin Zhang, Zirui Zheng, Jiang, Yuxian, Gan, Ziyue, Zhiyu Wang, Ling, Zijian, Jinsong Chen, +15 more

    arXiv · 2024

    OASIS is a generalizable and scalable social media simulator that replicates various social phenomena, including information spreading, group polarization, and herd effects across X and Reddit platforms, and demonstrates OASIS's potential as a powerful tool for studying complex systems in digital environments.

    161
  • Urban 3D semantic modelling using stereo vision

    Sunando Sengupta, Eric Greveson, Ali Shahrokni, Philip H. S. Torr

    Proceedings - IEEE International Conference on Robotics and Automation/Proceedings · 2013

    160
  • Geometrically Constrained Structure from Motion: Points on Planes

    Richard Szeliski, Philip H. S. Torr

    Lecture notes in computer science · 1998

    The experimental results indicate that the quality of the reconstruction can be significantly improved by the judicious use of geometric constraints, and the approaches studied include hallucinating extra point matches in planar regions, computing fundamental matrices directly from homographies, and applying coplanarity and other geometric constraints as part of the final bundle adjustment stage.

    160
  • GaussCtrl: Multi-View Consistent Text-Driven 3D Gaussian Splatting Editing

    Jing Wu, Jia-Wang Bian, Xinghui Li, Guangrun Wang, Ian D. Reid, Philip H. S. Torr, Victor Adrian Prisacariu

    arXiv · 2024

    GaussCtrl, a text-driven method to edit a 3D scene reconstructed by the 3D Gaussian Splatting (3DGS), achieves faster editing and better visual results than previous state-of-the-art methods.

    149
  • IMPSAC: Synthesis of importance sampling and random sample consensus

    Philip H. S. Torr, C.E. Davidson

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2003

    The method is shown that the method is superior to previous single resolution RANSAC-style feature matchers, and encodes the uncertainty by providing an arbitrarily close approximation to the posterior distribution of the two view relation.

    147
  • The Thermal Infrared Visual Object Tracking VOT-TIR2015 Challenge Results

    Michael Felsberg, Amanda Berg, Gustav Hager, Jörgen Ahlberg, Matej Kristan, Jiřı́ Matas, Aleš Leonardis, Luka Čehovin Zajc, +22 more

    2015 IEEE International Conference on Computer Vision Workshop (ICCVW) · 2015

    145
  • Locally Linear Support Vector Machines

    Ľubor Ladický, Philip H. S. Torr

    International Conference on Machine Learning · 2011

    This paper proposes a novel locally linear svm classifier with smooth decision boundary and bounded curvature and shows how this model can be optimized in an online fashion by performing stochastic gradient descent with the same convergence guarantees as standard gradient descent method for linear sVM.

    141
  • SiamMask: A Framework for Fast Online Object Tracking and Segmentation.

    Weiming Hu, Qiang Wang, Li Zhang, Luca Bertinetto, Philip H. S. Torr

    PubMed · 2023

    This article improves the offline training procedure of popular fully-convolutional Siamese approaches by augmenting their losses with a binary segmentation task, and introduces SiamMask, a framework to perform both visual object tracking and video object segmentation, in real-time, with the same simple method.

    140
  • Multivariate Relevance Vector Machines for Tracking

    Arasanathan Thayananthan, Ramanan Navaratnam, Björn Stenger, Philip H. S. Torr, Roberto Cipolla

    Lecture notes in computer science · 2006

    A one-to-many mapping from image features to state space is learned using a set of relevance vector machines, extended to handle multivariate outputs, which reduces the estimation error in clutter compared to shape-context histograms.

    139
  • Efficient online structured output learning for keypoint-based object tracking

    S. Hare, Amir Saffari, Philip H. S. Torr

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2012

    135
  • A Unified View of Piecewise Linear Neural Network Verification

    Rudy Bunel, Ilker Turkaslan, Philip H. S. Torr, Pushmeet Kohli, Kumar, M. Pawan

    arXiv · 2017

    133
  • Measuring Uncertainty in Graph Cut Solutions – Efficiently Computing Min-marginal Energies Using Dynamic Graph Cuts

    Pushmeet Kohli, Philip H. S. Torr

    Lecture notes in computer science · 2006

    This paper shows how the min-marginals associated with the label assignments in a MRF can be efficiently computed using a new algorithm based on dynamic graph cuts using a fast and novel algorithm to efficiently minimize these energy projections.

    128
  • Filter-Based Mean-Field Inference for Random Fields with Higher-Order Terms and Product Label-Spaces

    Vibhav Vineet, Jonathan Warrell, Philip H. S. Torr

    International Journal of Computer Vision · 2014

    The techniques are demonstrated on joint stereo and object labelling problems, as well as object class segmentation, showing in addition for joint object-stereo labelling how the method provides an efficient approach to inference in product label-spaces.

    127
  • Maintaining multiple motion model hypotheses over many views to recover matching and structure

    Philip H. S. Torr, Andrew W Fitzgibbon, Andrew Zisserman

    International Conference on Computer Vision · 2002

    125
  • Box2Seg: Attention Weighted Loss and Discriminative Feature Learning for Weakly Supervised Segmentation

    Viveka Kulharia, Siddhartha Chandra, Amit Agrawal, Philip H. S. Torr, Ambrish Tyagi

    Lecture notes in computer science · 2020

    This work proposes a weakly supervised approach to semantic segmentation using bounding box annotations that achieves state-of-the-art segmentation accuracy on PASCAL VOC 2012 by improving the mIOU metric by 2 .

    120
  • P³ & Beyond: Move Making Algorithms for Solving Higher Order Functions

    Pushmeet Kohli, Manish Kumar, Philip H. S. Torr

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2008

    118
  • VMem: Consistent Interactive Video Scene Generation with Surfel-Indexed View Memory

    Runjia Li, Philip H. S. Torr, Andrea Vedaldi, Tomáš Jakab

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

    Surfel-Indexed View Memory is introduced, a memory module that remembers past views by indexing them geometrically based on the 3D surface elements (surfels) they have observed, which enables efficient retrieval of the most relevant past views when generating new ones.

    117
  • Mesh Based Semantic Modelling for Indoor and Outdoor Scenes

    Julien P. C. Valentin, Sunando Sengupta, Jonathan Warrell, Ali Shahrokni, Philip H. S. Torr

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

    114
  • Combining single view recognition and multiple view stereo for architectural scenes

    Anthony Dick, Philip H. S. Torr, S.J. Ruffle, Roberto Cipolla

    IEEE International Conference on Computer Vision (ICCV) · 2002

    113
  • Efficient discriminative learning of parts-based models

    Manish Kumar, Andrew Zisserman, Philip H. S. Torr

    IEEE International Conference on Computer Vision (ICCV) · 2009

    111
  • Automatic dense visual semantic mapping from street-level imagery

    Sunando Sengupta, Paul Sturgess, Ľubor Ladický, Philip H. S. Torr

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

    106
  • FACMAC: Factored Multi-Agent Centralised Policy Gradients

    Peng, Bei, Tabish Rashid, Christian A. Schroeder de Witt, Pierre-Alexandre Kamienny, Philip H. S. Torr, Wendelin Böhmer, Shimon Whiteson

    arXiv · 2020

    104
  • Associative Hierarchical Random Fields

    Ľubor Ladický, Chris Russell, Pushmeet Kohli, Philip H. S. Torr

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2013

    104
  • Exact inference in multi-label CRFs with higher order cliques

    Srikumar Ramalingam, Pushmeet Kohli, Karteek Alahari, Philip H. S. Torr

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2008

    104
  • Open World Entity Segmentation

    Lu Qi, Jason Kuen, Yi Wang, Jiuxiang Gu, Hengshuang Zhao, Philip H. S. Torr, Zhe Lin, Jiaya Jia

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2022

    This work proposes a CondInst-like fully-convolutional architecture with two novel modules specifically designed to exploit the class-agnostic and non-overlapping requirements of ES, and investigates the feasibility of convolutional center-based representation to segment things and stuffs in a unified manner.

    103
  • Deep Multi-Agent Reinforcement Learning for Decentralized Continuous Cooperative Control

    Christian Schröder de Witt, Bei Peng, Pierre-Alexandre Kamienny, Philip H. S. Torr, Wendelin Böhmer, Shimon Whiteson

    arXiv · 2020

    This work introduces Multi-Agent Mujoco, a novel benchmark suite that, unlike StarCraft II, the predominant benchmark environment, applies to continuous robotic control tasks and presents a range of benchmark results on this new suite, including comparing the state-of-the-art actor-critic method MADDPG against two novel variants of existing methods.

    102
  • Hand Pose Estimation Using Hierarchical Detection

    Björn Stenger, Arasanathan Thayananthan, Philip H. S. Torr, Roberto Cipolla

    Lecture notes in computer science · 2004

    This paper presents an analysis of the design of classifiers for use in a hierarchical object recognition approach, where a cascade of classifier is arranged in a tree in order to recognize multiple object classes.

    100
  • CLIP as RNN: Segment Countless Visual Concepts without Training Endeavor

    Shuyang Sun, Runjia Li, Philip H. S. Torr, Xiuye Gu, Siyang Li

    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 recurrent framework that progressively filters out irrelevant texts and enhances mask quality without training efforts is introduced, which outperforms not only the training-free counter-parts, but also those fine-tuned with millions of data sam-ples, and sets the new state-of-the-art records for both zero-shot semantic and referring segmentation.

    96
  • VideoTrace

    Anton van den Hengel, Anthony Dick, Thorsten Thormählen, Ben M. Ward, Philip H. S. Torr

    ACM Transactions on Graphics · 2007

    92
  • Extending Pictorial Structures for Object Recognition

    M. P. Pavan Kumar, Philip H. S. Torr, Andrew Zisserman

    British Machine Vision Conference (BMVC) · 2004

    The goal of this paper is to recognize various deformable objects from images by extending the class of generative probabilistic models known as pictorial structures, particularly suited to represent articulated structures.

    90
  • Bilateral Functions for Global Motion Modeling

    Wen-Yan Lin, Ming‐Ming Cheng, Jiangbo Lu, Hongsheng Yang, Minh N. Do, Philip H. S. Torr

    Lecture notes in computer science · 2014

    This paper uses the bilateral domain to reformulate a piecewise smooth constraint as continuous global modeling constraint and demonstrates how the model can reliably obtain large numbers of good quality correspondences over wide baselines, while keeping outliers to a minimum.

    87
  • Solving Markov Random Fields using Semi Definite Programming

    Philip H. S. Torr

    International Conference on Artificial Intelligence and Statistics · 2003

    In a roof structure a flexible roofing membrane is supported and secured between at least two layers of tensioned flexible elements such as wires or cords.

    83
  • Random forests versus Neural Networks — What's best for camera localization?

    Daniela Massiceti, Alexander Krull, Eric Brachmann, Carsten Rother, Philip H. S. Torr

    Proceedings - IEEE International Conference on Robotics and Automation/Proceedings · 2017

    The experimental findings show that for scene coordinate regression, traditional NN architectures are superior to test-time efficient RFs and ForestNets, however, this does not translate to final 6D camera pose accuracy where RFsAndForestNets perform slightly better.

    79
  • Sample-dependent Adaptive Temperature Scaling for Improved Calibration

    Tom Joy, Francesco Pinto, Ser-Nam Lim, Philip H. S. Torr, Puneet K. Dokania

    arXiv · 2022

    For each input, this work proposes to predict a different temperature value, allowing us to adjust the mismatch between confidence and accuracy at a finer granularity, and test the method on the ResNet50 and WideResNet28-10 architectures, showing that producing per-data-point temperatures improves the expected calibration error across the whole test set.

    76
  • An Analysis of Convex Relaxations for MAP Estimation

    Pawan Kumar Mudigonda, Vladimir Kolmogorov, Philip H. S. Torr

    UCL Discovery (University College London) · 2007

    An analysis of three approximate algorithms based on convex relaxations and it is proved that despite the flexibility in the form of the constraints/objective function offered by QP and SOCP, the LP-S relaxation strictly dominates and provides a better approximation than the QP-RL and SOCp-MS.

    76
  • Pose estimation and tracking using multivariate regression

    Arasanathan Thayananthan, Ramanan Navaratnam, Björn Stenger, Philip H. S. Torr, Roberto Cipolla

    Pattern Recognition Letters · 2008

    An extension of the relevance vector machine (RVM) algorithm to multivariate regression allows the application to the task of estimating the pose of an articulated object from a single camera.

    72
  • On partial optimality in multi-label MRFs

    Pushmeet Kohli, Alexander Shekhovtsov, Carsten Rother, Vladimir Kolmogorov, Philip H. S. Torr

    International Conference on Machine Learning · 2008

    Theoretical properties of the new relaxation of the multi-label MRF are studied and a subclass of problems where the two relaxations coincide are characterized, and several combined algorithms based on the technique are proposed and demonstrate their performance on challenging computer vision problems.

    72
  • Hierarchical Part-Based Human Body Pose Estimation

    Ramanan Navaratnam, Arasanathan Thayananthan, Philip H. S. Torr, Roberto Cipolla

    British Machine Vision Conference (BMVC) · 2005

    A new hierarchical part-based pose estimation method for the upper-body that efficiently searches the high dimensional articulation space using a modified Viterbi algorithm for smooth trajectory of articulation between frames.

    71
  • Stochastic motion clustering

    Philip H. S. Torr, D W Murray

    Lecture notes in computer science · 1994

    This paper presents a new method for motion segmentation that exploits the fact that two views of a rigidly connected 3D point set are linked by the 3×3 Fundamental Matrix which contains all the information on the motion of a given set of point correspondences.

    71
  • Solving Inefficiency of Self-supervised Representation Learning

    Guangrun Wang, Keze Wang, Guangcong Wang, Philip H. S. Torr, Liang Lin

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

    This paper proposes a novel self-supervised learning framework using a truncated triplet loss that demonstrates the model’s superiority over the latest state-of-the-art methods by a clear margin.

    68
  • Holistic, Instance-level Human Parsing

    Qizhu Li, Anurag Arnab, Philip H. S. Torr

    British Machine Vision Conference (BMVC) · 2017

    This work segments the parts of objects at an instance-level, such that each pixel in the image is assigned a part label, as well as the identity of the object it belongs to, and shows how this approach benefits us in obtaining segmentations at coarser granularities as well.

    67
  • An Impartial Take to the CNN vs Transformer Robustness Contest

    Francesco Pinto, Philip H. S. Torr, Puneet K. Dokania

    arXiv · 2022

    In this paper, extensive empirical analyses are performed showing that recent state-of-the-art CNNs (particularly, ConvNeXt) can be as robust and reliable or even sometimes more than the current state of theart Transformers.

    66
  • Reduce, reuse & recycle: Efficiently solving multi-label MRFs

    Karteek Alahari, Pushmeet Kohli, Philip H. S. Torr

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2008

    64
  • Measuring uncertainty in graph cut solutions

    Pushmeet Kohli, Philip H. S. Torr

    Computer Vision and Image Understanding · 2008

    This paper shows how the min-marginals associated with the label assignments of a random field can be efficiently computed using a new algorithm based on dynamic graph cuts to compute a measure of uncertainty associated with the graph cut solutions.

    63
  • Improved Moves for Truncated Convex Models

    Manoj Kumar, Olga Veksler, Philip H. S. Torr

    Journal of machine learning research · 2011

    This work considers the problem of obtaining an approximate maximum a posteriori estimate of a discrete random field characterized by pairwise potentials that form a truncated convex model and proposes two st-MINCUT based move making algorithms that are faster and faster than previous approaches based on the LP relaxation.

    61
  • Improved Moves for Truncated Convex Models

    Philip H. S. Torr, Manoj Kumar

    neural information processing systems · 2008

    This work considers the problem of obtaining an approximate maximum a posteriori estimate of a discrete random field characterized by pairwise potentials that form a truncated convex model and proposes two st-MINCUT based move making algorithms that are faster and faster than previous approaches based on the LP relaxation.

    61
  • Solving Markov Random Fields using Second Order Cone Programming Relaxations

    Manish Kumar, Philip H. S. Torr, Andrew Zisserman

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

    54
  • AN ANALYSIS OF CONVEX RELAXATIONS FOR MAP ESTIMATION OF DISCRETE MRFs

    Manish Kumar, Vladimir Kolmogorov, Philip H. S. Torr

    Radar (Oxford Brookes University) · 2008

    An analysis of three algorithms based on convex relaxations and it is proved that despite the flexibility in the form of the constraints/objective function offered by QP and SOCP, the LP-S relaxation strictly dominates and provides a better approximation than QP-RL and SOCP-MS.

    53
  • Learning Class-Specific Edges for Object Detection and Segmentation

    Mukta Prasad, Andrew Zisserman, Andrew W Fitzgibbon, M. P. Pavan Kumar, Philip H. S. Torr

    Lecture notes in computer science · 2006

    It is shown how, for certain object classes, small regions around edges can be used to classify the edge into object or non-object, and performance of both algorithms (matching and segmentation) is considerably improved by the class-specific edge labelling.

    52
  • Language Matters: A Weakly Supervised Vision-Language Pre-training Approach for Scene Text Detection and Spotting

    Chuhui Xue, Wenqing Zhang, Hao Yu, Shijian Lu, Philip H. S. Torr, Song Bai

    Lecture notes in computer science · 2022

    A weakly supervised pre-training method, oCLIP, which can acquire effective scene text representations by jointly learning and aligning visual and textual information and outperforms existing pre- training techniques consistently across multiple public datasets.

    51
  • An Invariant Large Margin Nearest Neighbour Classifier

    Manish Kumar, Philip H. S. Torr, Andrew Zisserman

    IEEE International Conference on Computer Vision (ICCV) · 2007

    51
  • Dense stereo using pivoted dynamic programming

    Philip H. S. Torr, Antonio Criminisi

    Image and Vision Computing · 2004

    This paper presents a unified dynamic programming/statistical framework that allows the incorporation of any partial knowledge about disparities, such as matched features and known surfaces within the scene, with a faster run time and greater accuracy than the standard dynamic programming method.

    51
  • When LLMs step into the 3D World: A Survey and Meta-Analysis of 3D Tasks via Multi-modal Large Language Models

    Xianzheng Ma, Brandon Smart, Yash Bhalgat, Shuai Chen, Xinghui Li, Jian Ding, Jindong Gu, Dave Zhenyu Chen, +9 more

    arXiv · 2024

    This survey provides a comprehensive overview of the methodologies enabling LLMs to process, understand, and generate 3D data, and examines their integration with LLMs for tasks such as 3D scene understanding, captioning, question-answering, and dialogue.

    49
  • International workshop on machine learning for multimodal interaction

    Carl Henrik Ek, Jonathan Rihan, Philip H. S. Torr, Grégory Rogez, Neil David Lawrence

    2007

    49
  • Multi-Channel Attention Selection GANs for Guided Image-to-Image Translation

    Hao Tang, Philip H. S. Torr, Nicu Sebe

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2022

    48
  • Learning a Kinematic Prior for Tree-Based Filtering

    Arasanathan Thayananthan, Björn Stenger, Philip H. S. Torr, Roberto Cipolla

    British Machine Vision Conference (BMVC) · 2003

    The aim in this paper is to track articulated hand motion from monocular video by using a tree-based representation of the posterior distribution using a hierarchical clustering algorithm and two techniques for constructing the tree are described.

    48
  • Dynamic Hybrid Algorithms for MAP Inference in Discrete MRFs

    Karteek Alahari, Pushmeet Kohli, Philip H. S. Torr

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2009

    47
  • PoisonBench: Assessing Large Language Model Vulnerability to Data Poisoning

    Fu, Tingchen, Mrinank Sharma, Philip H. S. Torr, Shay B. Cohen, David Krueger, Fazl Barez

    arXiv · 2024

    PoisonBench is introduced, a benchmark for evaluating large language models' susceptibility to data poisoning during preference learning, exposing weaknesses in current preference learning techniques, highlighting the urgent need for more robust defenses against malicious models and data manipulation.

    44
  • Learning Layered Pictorial Structures from Video.

    M. P. Pavan Kumar, Philip H. S. Torr, Andrew Zisserman

    Indian Conference on Computer Vision, Graphics & Image Processing · 2004

    A new unsupervised learning method to obtain a layered pictorial structure (LPS) representation of an articulated object from video sequences is proposed, which has the advantage of achieving a strong local minimum over labels.

    41
  • Semantics-Aware Dynamic Localization and Refinement for Referring Image Segmentation

    Zhao Yang, Jiaqi Wang, Yansong Tang, Kai Chen, Hengshuang Zhao, Philip H. S. Torr

    arXiv · 2023

    This work introduces a simple yet effective alternative for progressively learning discriminative multi-modal features by leveraging a continuously updated query as the representation of the target object and at each iteration, strengthen multi- modal features strongly correlated to the query while weakening less related ones.

    39
  • Learning Regional Attraction for Line Segment Detection

    Nan Xue, Song Bai, Fudong Wang, Gui-Song Xia, Tianfu Wu, Liangpei Zhang, Philip H. S. Torr

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2019

    The problem of line segment detection (LSD) as a problem of region coloring is posed, and an end-to-end framework to learn attraction field maps for raw input images, followed by a squeeze module to detect line segments is developed.

    39
  • Hadamard Product in Deep Learning: Introduction, Advances and Challenges

    Grigorios G. Chrysos, Yongtao Wu, Razvan Pascanu, Philip H. S. Torr, Volkan Cevher

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2025

    This analysis reveals the Hadamard product as a versatile primitive that offers compelling trade-offs between computational efficiency and representational power, positioning it as a crucial component in the deep learning toolkit.

    38
  • Reconstructing relief surfaces

    George Vogiatzis, Philip H. S. Torr, Steven M. Seitz, Roberto Cipolla

    Image and Vision Computing · 2007

    This paper generalizes Markov Random Field stereo methods to the generation of surface relief (height) fields rather than disparity or depth maps, which enables the reconstruction of complete object models using the same algorithms that have been previously used to compute depth maps in binocular stereo.

    37
  • Image Processing Issues in Digital Strain Mapping

    William F. Clocksin, João Quinta da Fonseca, Philip John Withers, Philip H. S. Torr

    Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2002

    It is shown how a probability-based motion detection algorithm can be used as a high confidence estimator of the strain tensor characterising the deformation of the material.

    35
  • Bi-Factorial Preference Optimization: Balancing Safety-Helpfulness in Language Models

    Wenxuan Zhang, Philip H. S. Torr, Mohamed Elhoseiny, Adel Bibi

    arXiv · 2024

    A supervised learning framework called Bi-Factorial Preference Optimization is proposed, which re-parameterizes a joint RLHF objective of both safety and helpfulness into a single supervised learning objective and significantly outperforms existing approaches in both safety and helpfulness.

    34
  • Tem-adapter: Adapting Image-Text Pretraining for Video Question Answer

    Guangyi Chen, Xiao Liu, Guangrun Wang, Kun Zhang, Philip H. S. Torr, Xiao-Ping Steven Zhang, Yansong Tang

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

    The proposed Tem-adapter enables the learning of temporal dynamics and complex semantics by a visual Temporal Aligner and a textual Semantic Aligner that first designs a template to fuse question and answer pairs as event descriptions and then learns a Transformer decoder with the whole video sequence as guidance for refinement.

    34
  • Revisiting Evaluation Metrics for Semantic Segmentation: Optimization and Evaluation of Fine-grained Intersection over Union

    Zifu Wang, Maxim Berman, Amal Rannen-Triki, Philip H. S. Torr, Devis Tuia, Tinne Tuytelaars, Luc Van Gool, Jiaqian Yu, +1 more

    arXiv · 2023

    This work proposes the use of fine-grained mIoUs along with corresponding worst-case metrics, thereby offering a more holistic evaluation of segmentation techniques and identifies the crucial role played by architecture designs and loss functions, which lead to best practices in optimizing fine- grained metrics.

    34
  • Regression-Based Human Motion Capture From Voxel Data

    Y. Sun, M. Bray, Arasanathan Thayananthan, B. Yuan, Philip H. S. Torr

    British Machine Vision Conference (BMVC) · 2006

    A regression based method is proposed to recover human body pose from 3D voxel data using a Bayesian approach based on Mixture of Probabilistic PCA that transforms a collection of 3D shape context descriptors, extracted from the voxels, to a compact feature vector.

    34
  • Fields of Experts for Image-based Rendering

    Oliver J. Woodford, Ian D. Reid, Philip H. S. Torr, Andrew W Fitzgibbon

    British Machine Vision Conference (BMVC) · 2006

    A new optimization algorithm from statistical physics is introduced to computer vision for the first time which reaches better minima than the ICM and simulated annealing algorithms to which such large-clique problems have previously been restricted.

    34
  • Rethinking Data Protection in the (Generative) Artificial Intelligence Era

    Yiming Li, Shuo Shao, He, Yu, Junfeng Guo, Tianwei Zhang, Zhan Qin, Pin‐Yu Chen, Michael Backes, +3 more

    arXiv · 2025

    This work proposes a four-level taxonomy, including non-usability, privacy preservation, traceability, and deletability, that captures the diverse protection needs arising in modern (generative) AI models and systems, and offers a structured understanding of the trade-offs between data utility and control.

    32
  • Efficient piecewise learning for conditional random fields

    Karteek Alahari, Chris Russell, Philip H. S. Torr

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2010

    32
  • Make Some Noise: Reliable and Efficient Single-Step Adversarial Training

    Pau de Jorge, Adel Bibi, Volpi, Riccardo, Amartya Sanyal, Philip H. S. Torr, Grégory Rogez, Puneet K. Dokania

    arXiv · 2022

    31
  • Corrective Machine Unlearning

    Shashwat Goel, Ameya Prabhu, Philip H. S. Torr, Ponnurangam Kumaraguru, Amartya Sanyal

    arXiv · 2024

    It is demonstrated that the problem of corrective unlearning has significantly different requirements from traditional privacy-oriented unlearning, and most existing unlearning methods, including retraining-from-scratch without the deletion set, require most of the manipulated data to be identified for effective corrective unlearning.

    30
  • Efficiently solving convex relaxations for MAP estimation

    Manish Kumar, Philip H. S. Torr

    International Conference on Machine Learning · 2008

    This work builds on the tree reweighted message passing (TRW) framework and shows how the dual formulation of TRW can be extended to include cycle inequalities and SOC constraints, and proposes efficient iterative algorithms for solving the resulting duals.

    29
  • Estimating 3D hand pose using hierarchical multi-label classification

    Björn Stenger, Arasanathan Thayananthan, Philip H. S. Torr, Roberto Cipolla

    Image and Vision Computing · 2006

    Given a parametric 3D model, generating training data in the form of example images is cheap, and it is demonstrated that it can be used to design classifiers almost as good as those trained using non-synthetic data.

    29
  • Robust Vision

    Philip H. S. Torr, Paul A. Beardsley, D. W. Murray

    British Machine Vision Conference (BMVC) · 1994

    A system—consisting of feature detector, feature matcher, estimation of the Fundamental Matrix, and estimation of structure—that emphasizes robustness to outliers at each stage is presented, and results are shown for the computation of structure from motion in a cluttered and unknown environment.

    29
  • WildVidFit: Video Virtual Try-On in the Wild via Image-Based Controlled Diffusion Models

    Zijian He, Peixin Chen, Guangrun Wang, Guanbin Li, Philip H. S. Torr, Liang Lin

    arXiv · 2024

    The solution, WildVidFit, employs image-based controlled diffusion models for a streamlined, one-stage approach that leverages diffusion guidance from pre-trained models including a video masked autoencoder for segment smoothness improvement and a self-supervised model for feature alignment of adjacent frame in the latent space.

    28
  • Approximate structured output learning for Constrained Local Models with application to real-time facial feature detection and tracking on low-power devices

    Shuai Zheng, Paul Sturgess, Philip H. S. Torr

    IEEE International Conference and Workshops on Automatic Face and Gesture Recognition (FG) · 2013

    28
  • Dynamic Graph Cuts and Their Applications in Computer Vision

    Pushmeet Kohli, Philip H. S. Torr

    Studies in computational intelligence · 2010

    This chapter addresses the problem of efficient and exact minimization of groups of similar functions which are known to be solvable in polynomial time and presents a novel dynamic algorithm for minimizing such functions.

    28
  • Secret Collusion among AI Agents: Multi-Agent Deception via Steganography

    Sumeet Motwani, Mikhail Baranchuk, Martin Strohmeier, Vijay Bolina, Philip H. S. Torr, Lewis Hammond, Christian Schroeder de Witt

    arXiv · 2024

    This paper comprehensively formalises the problem of secret collusion in systems of generative AI agents by drawing on relevant concepts from both the AI and security literature, and provides extensive empirical results across a range of contemporary LLMs.

    27
  • Local and Global GANs with Semantic-Aware Upsampling for Image Generation

    Hao Tang, Ling Shao, Philip H. S. Torr, Nicu Sebe

    arXiv · 2022

    A local class-specific generative network using semantic maps as guidance, which separately constructs and learns subgenerators for different classes, enabling it to capture finer details of small objects and detailed local textures.

    27
  • Three Birds One Stone: A Unified Framework for Salient Object Segmentation, Edge Detection and Skeleton Extraction.

    Qibin Hou, Jiangjiang Liu, Ming‐Ming Cheng, Ali Borji, Philip H. S. Torr

    arXiv · 2018

    This paper introduces a horizontal cascade, each component of which is densely connected to the outputs of previous component, which allows for effectively exploiting features across different levels hierarchically to effectively address the multiple pixel-wise binary regression tasks.

    27
  • Graph Cuts for Minimizing Robust Higher Order Potentials

    Pushmeet Kohli, Ľubor Ladický, Philip H. S. Torr

    2008

    This paper proves that the optimal swap and expansion moves for energy functions composed of these potentials can be computed by solving a st-mincut problem and is able to produce the globally optimal solution in polynomial time.

    27
  • Jailbreak-AudioBench: In-Depth Evaluation and Analysis of Jailbreak Threats for Large Audio Language Models

    Hao Cheng, Erjia Xiao, Jing Shao, Yichi Wang, Le Yang, Chao Shen, Philip H. S. Torr, Jindong Gu, +1 more

    neural information processing systems · 2025

    Jailbreak-AudioBench establishes a foundation for advancing future research on LALMs safety alignment by enabling the in-depth exposure of more powerful jailbreak threats, such as query-based audio editing, and by facilitating the development of effective defense mechanisms.

    26
  • Learning Anchor Planes for Classification

    Ziming Zhang, Lubor Ladicky, Philip H. S. Torr, Amir Saffari

    Neural Information Processing Systems · 2011

    The method needs only a few orthogonal anchor planes for coding, and it can linearize any (α, β, p)-Lipschitz smooth nonlinear function with a fixed expected value of the upper-bound approximation error on any high dimensional data.

    26
  • Fast Memory-Efficient Generalized Belief Propagation

    Manish Kumar, Philip H. S. Torr

    Lecture notes in computer science · 2006

    It is shown how the problem of subgraph matching can be formulated using this class of mrfs and thus, solved efficiently using the gbp approach and significantly outperform the state-of-the-art method.

    24
  • Near to Mid-term Risks and Opportunities of Open-Source Generative AI

    Francisco Eiras, Aleksandar Petrov, Bertie Vidgen, Christian Schroeder de Witt, Fabio Pizzati, Katherine Elkins, Mukhopadhyay, Supratik, Adel Bibi, +16 more

    arXiv · 2024

    It is argued for the responsible open sourcing of generative AI models in the near and medium term and differential benefits and risks of open versus closed source AI and present potential risk mitigation, ranging from best practices to calls for technical and scientific contributions.

    23
  • Efficient minimization of higher order submodular functions using monotonic Boolean functions

    Srikumar Ramalingam, Chris Russell, Lubor Ladicky, Philip H. S. Torr

    Discrete Applied Mathematics · 2017

    Novel mapping is defined that transform submodular functions of order $k$ into quadratic ones, which can be efficiently minimized in $O(n^3)$ time using a max-flow algorithm.

    23
  • Higher Order Potentials in End-to-End Trainable Conditional Random Fields

    Anurag Arnab, Sadeep Jayasumana, Shuai Zheng, Philip H. S. Torr

    arXiv · 2015

    Two types of higher order potentials can be included in a Conditional Random Field model embedded within a deep network to allow inference with the efficient and differentiable mean-field algorithm, making it possible to implement the CRF model as a stack of layers in adeep network.

    23
  • AlignGuard: Scalable Safety Alignment for Text-to-Image Generation

    Runtao Liu, I Chieh Chen, Jindong Gu, J Junyi Zhang, Renjie Pi, Qifeng Chen, Philip H. S. Torr, Ashkan Khakzar, +1 more

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

    AlignGuard is introduced, a method for safety alignment of T2I models that consistently outperforms the state-of-the-art on many benchmarks and establishes new practices for safety alignment in T2I networks.

    22
  • Zero-Shot Logit Adjustment

    Dubing Chen, Yuming Shen, Haofeng Zhang, Philip H. S. Torr

    arXiv · 2022

    This paper first analyzes of two properties of the generated pseudo unseen samples: bias and homogeneity, and performs variational Bayesian inference to back-derive the evaluation metrics, which reflects the balance of the seen and unseen classes.

    22
  • LAVT: Language-Aware Vision Transformer for Referring Image Segmentation

    Yang Zhao, Jiaqi Wang, Yansong Tang, Kai Chen, Hengshuang Zhao, Philip H. S. Torr

    arXiv · 2021

    22
  • Object Proposals Estimation in Depth Image Using Compact 3D Shape Manifolds

    Shuai Zheng, Victor Adrian Prisacariu, Melinos Averkiou, Ming‐Ming Cheng, Niloy J. Mitra, Jamie Shotton, Philip H. S. Torr, Carsten Rother

    Lecture notes in computer science · 2015

    This work investigates the task of finding particular object shapes from a single depth image by exploiting the inherently low dimensionality in the object shape variations, which is discovered and encoded as a compact shape space.

    22
  • Learning to Hash Naturally Sorts

    Jiaguo Yu, Yuming Shen, Menghan Wang, Haofeng Zhang, Philip H. S. Torr

    International Joint Conference on Artificial Intelligence · 2022

    This paper introduces Naturally-Sorted Hashing (NSH), a novel Sorted Noise-Contrastive Estimation (SortedNCE) loss that selectively picks positive and negative samples for contrastive learning, which allows NSH to mine data semantic relations during training in an unsupervised manner.

    21
  • 20
  • PoseField: An Efficient Mean-Field Based Method for Joint Estimation of Human Pose, Segmentation, and Depth

    Vibhav Vineet, Glenn Sheasby, Jonathan Warrell, Philip H. S. Torr

    Lecture notes in computer science · 2013

    PoseField is proposed, a new highly efficient filter-based mean-field inference approach for jointly estimating human segmentation, pose, per-pixel body parts, and depth given stereo pairs of images.

    19
  • Improved Initialization and Gaussian Mixture Pairwise Terms for Dense Random Fields with Mean-field Inference

    Vibhav Vineet, Jonathan Warrell, Paul Sturgess, Philip H. S. Torr

    British Machine Vision Conference (BMVC) · 2012

    A hierarchical mean-field approach where labelling from the coarser level is propagated to the finer level for better initialisation and a variation of Expectation Maximization (EM) for piecewise learning of the parameters of the mixture model determined by the maximum likelihood function is proposed.

    19
  • Using the Pn Potts model with learning methods to segment live cell images

    Chris Russell, Dimitris Metaxas, Christophe Restif, Philip H. S. Torr

    IEEE International Conference on Computer Vision (ICCV) · 2007

    19
  • Neural Collapse Terminus: A Unified Solution for Class Incremental Learning and Its Variants

    Yibo Yang, Haobo Yuan, Xiangtai Li, Jianlong Wu, Lefei Zhang, Zhouchen Lin, Philip H. S. Torr, Dacheng Tao, +1 more

    arXiv · 2023

    A unified solution to the misalignment dilemma in the three tasks of CIL, LTCIL and FSCIL is offered andoretical analysis indicates that the method holds the neural collapse optimality in an incremental fashion regardless of data imbalance or data scarcity.

    18
  • How Robust is Unsupervised Representation Learning to Distribution Shift?

    Yuge Shi, Imant Daunhawer, Julia Elisabeth Vogt, Philip H. S. Torr, Amartya Sanyal

    arXiv · 2022

    This work develops a novel evaluation scheme with thelinear head trained on out-of-distribution (OOD) data, to isolate the performance of the pre-trained models from a potential bias of the linear head used for evaluation.

    18
  • With Friends Like These, Who Needs Adversaries?

    Saumya Jetley, Nicholas A. Lord, Philip H. S. Torr

    arXiv · 2018

    18
  • A Generic CNN-CRF Model for Semantic Segmentation

    Alexander Kirillov, Dmitrij Schlesinger, Walter Forkel, Anatoly Zelenin, Shuai Zheng, Philip H. S. Torr, Carsten Rother

    arXiv · 2015

    This work presents a CRF model were unary factors are dependent on a CNN, an efficient and scalable, maximum likelihood-based, learning procedure to infer all model parameters jointly and is the first to perform maximum likelihood learning for large-sized factor graphs with non-parametric potentials.

    18
  • Taxonomic Multi-class Prediction and Person Layout Using Efficient Structured Ranking

    Arpit Mittal, Matthew B. Blaschko, Andrew Zisserman, Philip H. S. Torr

    European Conference on Computer Vision · 2012

    An algorithm for structured output ranking that can be trained in a time linear in the number of samples under a mild assumption common to many computer vision problems: that the loss function can be discretized into a small number of values is proposed.

    18
  • Proceedings of the 10th European Conference on Computer Vision: Part III

    David Alexander Forsyth, Philip H. S. Torr, Andrew Zisserman

    2008

    18
  • IMPSAC: Synthesis of Importance Sampling and Random Sample Consensus

    Philip H. S. Torr, C.E. Davidson

    Lecture notes in computer science · 2000

    18
  • Loong: Synthesize Long Chain-of-Thoughts at Scale through Verifiers

    Xingyue Huang, Rishabh, Franke, Gregor, Ziyi Yang, Bai, Jiamu, Bai, Weijie, Bi, Jinhe, Zifeng Ding, +22 more

    arXiv · 2025

    The Loong Project is introduced: an open-source framework for scalable synthetic data generation and verification across a diverse range of reasoning-intensive domains and benchmarking LoongBench on a broad suite of both open-source and proprietary LLMs to evaluate domain coverage and reveal performance bottlenecks.

    17
  • A Semi-supervised Deep Generative Model for Human Body Analysis

    Rodrigo de, Arnab Ghosh, Thalaiyasingam Ajanthan, Ondřej Mikšík, N. Siddharth, Philip H. S. Torr

    Lecture notes in computer science · 2019

    This work presents a deep generative model for human body analysis where the body pose and the visual appearance are disentangled in the latent space, allowing independent manipulation of pose and appearance and hence enables applications such as pose-transfer without being explicitly trained for such a task.

    17
  • OBJCUT for Face Detection

    Jonathan Rihan, Pushmeet Kohli, Philip H. S. Torr

    Lecture notes in computer science · 2006

    This paper proposes a novel, simple and efficient method for face segmentation which works by coupling face detection and segmentation in a single framework using the OBJCUT formulation.

    17
  • Agent-X: Evaluating Deep Multimodal Reasoning in Vision-Centric Agentic Tasks

    Tajamul Ashraf, Amal Saqib, H. F. A. Abdul Ghani, Muhra AlMahri, Yuhao Li, Noor Ahsan, Umair Nawaz, Jean Lahoud, +6 more

    arXiv · 2025

    Agent-X is introduced, a large-scale benchmark for evaluating vision-centric agents multi-step and deep reasoning capabilities in real-world, multimodal settings and proposes a fine-grained, step-level evaluation framework that assesses the correctness and logical coherence of each reasoning step and the effectiveness of tool usage throughout the task.

    16
  • Improved Branch and Bound for Neural Network Verification via Lagrangian Decomposition

    Alessandro De Palma, Rudy Bunel, Alban Desmaison, Krishnamurthy Dvijotham, Pushmeet Kohli, Philip H. S. Torr, Manish Kumar

    arXiv · 2021

    16
  • Deep Deterministic Uncertainty: A Simple Baseline

    Jishnu Mukhoti, Kirsch, Andreas, Joost van Amersfoort, Philip H. S. Torr, Yarin Gal

    arXiv · 2021

    16
  • Efficient Linear Programming for Dense CRFs

    Thalaiyasingam Ajanthan, Alban Desmaison, Rudy Bunel, Mathieu Salzmann, Philip H. S. Torr, Manish Kumar

    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 develops a proximal minimization framework, where the dual of each proximal problem is optimized via block coordinate descent, and shows that each block of variables can be efficiently optimized.

    16
  • Exact and Approximate Inference in Associative Hierarchical Networks using Graph Cuts

    Chris Russell, Ľubor Ladický, Pushmeet Kohli, Philip H. S. Torr

    arXiv · 2012

    16
  • Flex3D: Feed-Forward 3D Generation with Flexible Reconstruction Model and Input View Curation

    Junlin Han, Jianyuan Wang, Andrea Vedaldi, Philip H. S. Torr, Filippos Kokkinos

    arXiv · 2024

    Flex3D is a novel two-stage framework capable of leveraging an arbitrary number of high-quality input views, built upon a transformer architecture that can effectively process an arbitrary number of inputs, enabling efficient and detailed 3D generation.

    15
  • Deeper Interpretability of Deep Networks

    Tian Xu, Jiayu Zhan, Oliver Garrod, Philip H. S. Torr, Song‐Chun Zhu, Robin A. A. Ince, Philippe G. Schyns

    arXiv · 2018

    15
  • Building Models of Regular Scenes from Structure and Motion

    Anton van den Hengel, Anthony Dick, Thorsten Thormaehlen, Philip H. S. Torr, Ben M. Ward

    British Machine Vision Conference (BMVC) · 2006

    The method uses the camera models and point cloud typically generated by a structure-and-motion process as a starting point for developing a higher level model of the scene to improve the accuracy of fit.

    15
  • True Multimodal In-Context Learning Needs Attention to the Visual Context

    Shuo Chen, Jianzhe Liu, Zhen Yu Han, Yan Xia, Daniel Cremers, Philip H. S. Torr, Volker Tresp, Jindong Gu

    arXiv · 2025

    DARA is introduced, an efficient fine-tuning strategy that encourages models to attend to the visual context by rebalancing attention across visual and textual tokens and presents TrueMICL, an MICL-dedicated dataset that explicitly requires the integration of multimodal information-particularly visual content-for correct task completion.

    14
  • RanDumb: Random Representations Outperform Online Continually Learned Representations

    Ameya Prabhu, Shiven Sinha, Ponnurangam Kumaraguru, Philip H. S. Torr, Ozan Şener, Puneet K. Dokania

    neural information processing systems · 2024

    This study reveals the significant limitations of representation learning, particularly in low-exemplar and online continual learning scenarios, and challenges the prevailing assumptions about effective representation learning in online continual learning.

    14
  • Learning Visual Prompts for Guiding the Attention of Vision Transformers

    Razieh Rezaei, Masoud Jalili Sabet, Jindong Gu, Daniel Rueckert, Philip H. S. Torr, Ashkan Khakzar

    arXiv · 2024

    The proposed optimization-based visual prompting strategy is learned in a self-supervised manner without requiring annotations and without fine-tuning the vision transformer.

    14
  • Adversarial Masking for Self-Supervised Learning

    Yuge Shi, N. Siddharth, Philip H. S. Torr, Adam R. Kosiorek

    arXiv · 2022

    14
  • MIP against Agent: Malicious Image Patches Hijacking Multimodal OS Agents

    Lukas Aichberger, Alasdair Paren, Guohao Li, Philip H. S. Torr, Yarin Gal, Adel Bibi

    neural information processing systems · 2025

    It is shown that MIPs generalise across user prompts and screen configurations, and that they can hijack multiple OS agents even during the execution of benign instructions, which exposes critical security vulnerabilities in OS agents that have to be carefully addressed before their widespread deployment.

    13
  • Reliable Evaluation of Adversarial Transferability

    Wenqian Yu, Jindong Gu, Zhijiang Li, Philip H. S. Torr

    IEEE Conference on Secure and Trustworthy Machine Learning (SaTML) · 2025

    Contrary to the prevailing belief, the reevaluation revealed that the adversarial transferability across these diverse network types is notably diminished, and there is no single AE that can be transferred to all popular models.

    13
  • Image-to-Image Translation with Text Guidance

    Bowen Li, Xiaojuan Qi, Philip H. S. Torr, Thomas Lukasiewicz

    arXiv · 2020

    13
  • Mining Pixels: Weakly Supervised Semantic Segmentation Using Image Labels

    Qinbin Hou, Puneet K. Dokania, Daniela Massiceti, Yunchao Wei, Ming‐Ming Cheng, Philip H. S. Torr

    arXiv.org · 2016

    This work considers the task of learning a classifier for semantic segmentation using weak supervision, in this case, image labels specifying the objects within the image, and proposes minimizing the combination of the standard softmax loss and the KL divergence between the true latent posterior and the likelihood given by the CNN.

    13
  • Likelihood Models For Template Matching using the PDF Projection Theorem

    Arasanathan Thayananthan, Ramanan Navaratnam, Philip H. S. Torr, Roberto Cipolla

    British Machine Vision Conference (BMVC) · 2004

    A novel method for estimating the likelihood PDFS accurately based on the PDF Projection Theorem is introduced, which provides the correct relation between the feature likelihood and the data likelihood, permitting the use of different types of features for different type of objects and still estimating consistent likelihoods.

    13
  • Reconstructing Relief Surfaces

    George Vogiatzis, Philip H. S. Torr, Steven M. Seitz, Roberto Cipolla

    British Machine Vision Conference (BMVC) · 2004

    13
  • Looking Beyond Single Images for Contrastive Semantic Segmentation Learning

    Feihu Zhang, Philip H. S. Torr, René Ranftl, Stephan R. Richter

    neural information processing systems · 2021

    12
  • h1: Bootstrapping LLMs to Reason over Longer Horizons via Reinforcement Learning

    Sumeet Motwani, A. V. Ivanova, Cai, Ziyang, Philip H. S. Torr, Riashat Islam, Shital Shah, de Witt, Christian Schroeder, Charles London

    arXiv · 2025

    This work introduces a scalable method to bootstrap long-horizon reasoning capabilities using only existing, abundant short-horizon data, synthetically composes simple problems into complex, multi-step dependency chains of arbitrary length.

    11
  • Eigen-1: Adaptive Multi-Agent Refinement with Monitor-Based RAG for Scientific Reasoning

    Xiangru Tang, Wanghan Xu, Wang, Yujie, Zijie Guo, Dan Shao, Jiapeng Chen, Zhang, Cixuan, Ziyi Wang, +8 more

    arXiv · 2025

    A unified framework that combines implicit retrieval and structured collaboration and demonstrates how implicit augmentation and structured refinement overcome the inefficiencies of explicit tool use and uniform aggregation.

    11
  • Deconstructed Generation-Based Zero-Shot Model

    Dubing Chen, Yuming Shen, Haofeng Zhang, Philip H. S. Torr

    Proceedings of the AAAI Conference on Artificial Intelligence · 2023

    This paper aims to deconstruct the generator-classifier framework and provide guidance for its improvement and extension, and presents a simple method that outperforms SotAs on four public GZSL datasets, demonstrating the validity of the deconstruction.

    11
  • Learning Arbitrary Potentials in CRFs with Gradient Descent.

    Måns Larsson, Fredrik Kahl, Shuai Zheng, Anurag Arnab, Philip H. S. Torr, Richard I. Hartley

    arXiv · 2017

    A new inference and learning framework which can learn arbitrary pairwise CRF potentials is introduced based on the observation that CRF inference can be achieved via projected gradient descent and consequently, can be integrated in deep neural networks to allow for end-to-end training.

    11
  • Exploiting projective geometry for view-invariant monocular human motion analysis in man-made environments

    Grégory Rogez, Carlos Orrite, J.J. Guerrero, Philip H. S. Torr

    Computer Vision and Image Understanding · 2014

    A methodology for view-invariant monocular human motion analysis in man-made environments in which some properties of projective geometry and the presence of numerous easy-to-detect straight lines are exploited.

    11
  • Simultaneous Human Segmentation, Depth and Pose Estimation via Dual Decomposition

    Glenn Sheasby, Warrell, Jonathan, Yuhang Zhang, Crook, Nigel, Philip H. S. Torr

    ANU Open Research (Australian National University) · 2012

    This work proposes a framework for estimating a detailed human skeleton in 3D from a stereo pair of images, and defines an energy function that incorporates the relationship between the segmentation results, the pose estimation results, and the disparity space image.

    11
  • Multiple-Instance Learning with Structured Bag Models

    Jonathan Warrell, Philip H. S. Torr

    Lecture notes in computer science · 2011

    Techniques for incorporating MIL constraints into Conditional Random Field models are introduced, thus providing a set of tools for constructing structured bag models, in which spatial dependencies are represented.

    10
  • Towards Interpretable Deep Local Learning with Successive Gradient Reconciliation

    Yibo Yang, Xiaojie Li, Motasem Alfarra, Hasan Hammoud, Adel Bibi, Philip H. S. Torr, Bernard Ghanem

    arXiv · 2024

    This paper theoretically study non-greedy layer-wise training and shows that the convergence cannot be assured when the local gradient in a module w.r.t. its input is not reconciled with the local gradient in the previous module w.r.t. its output.

    9
  • Inspection of surface strain in materials using dense displacement fields

    William F. Clocksin, Katharine F Chivers, Philip H. S. Torr, João Quinta da Fonseca, Philip John Withers

    2002

    9
  • Set-based Neural Network Encoding Without Weight Tying

    Bruno Andreis, Soro Bedionita, Philip H. S. Torr, Sung Hwang

    neural information processing systems · 2024

    A neural network weight encoding method for network property prediction that utilizes set-to-set and set-to-vector functions to efficiently encode neural network parameters and introduces a pipeline to efficiently encode neural network layers that is adjustable to computational and memory constraints.

    8
  • Scaling the Convex Barrier with Active Sets

    Alessandro De Palma, Harkirat Singh Behl, Rudy Bunel, Philip H. S. Torr, Manish Kumar

    arXiv · 2021

    8
  • ROAM: A Rich Object Appearance Model with Application to Rotoscoping

    Juan-Manuel Perez-Rua, Ondřej Mikšík, Tomas Crivelli, Patrick Bouthemy, Philip H. S. Torr, Patrick Pérez

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2019

    8
  • Placing Objects in Context via Inpainting for Out-of-Distribution Segmentation

    Pau de Jorge, Riccardo Volpi, Puneet K. Dokania, Philip H. S. Torr, Grégory Rogez

    Lecture notes in computer science · 2024

    7
  • Learning to Sample the Most Useful Training Patches from Images

    Shuyang Sun, Liang Chen, Greg Slabaugh, Philip H. S. Torr

    arXiv · 2020

    7
  • A Robust Stereo Prior for Human Segmentation

    Glenn Sheasby, Julien Valentin, Nigel Crook, Philip H. S. Torr

    Lecture notes in computer science · 2013

    This work proposes a robust method of using a disparity space image to create a prior for human segmentation, and shows how the prior can be inserted into a dual decomposition formulation for stereo, segmentation and human pose estimation.

    7
  • A tiered move-making algorithm for general pairwise MRFs

    Vibhav Vineet, Jonathan Warrell, Philip H. S. Torr

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2012

    7
  • The light-path less traveled

    Srikumar Ramalingam, Sofien Bouaziz, Peter F. Sturm, Philip H. S. Torr

    CVPR 2011 · 2011

    7
  • Analyzing Convex Relaxations for MAP Estimation

    Manish Kumar, Vladimir Kolmogorov, Philip H. S. Torr

    The MIT Press eBooks · 2011

    This chapter will focus on theoretical analysis for MAP estimation of discrete MRFs, with the aim of highlighting the importance of designing tight relaxations and the efficiency afforded by this approach.

    7
  • Discrete minimum ratio curves and surfaces

    Fred Nicolls, Philip H. S. Torr

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2010

    7
  • Interactive 3D Model Completion

    Anton van den Hengel, Anthony Dick, Thorsten Thormählen, Ben M. Ward, Philip H. S. Torr

    9th Biennial Conference of the Australian Pattern Recognition Society on Digital Image Computing Techniques and Applications (DICTA 2007) · 2007

    7
  • Cooperating motion processes

    Philip H. S. Torr, T. Wong, D. W. Murray, A. Zisserman

    Springer eBooks · 1991

    7
  • Dynamic Context-oriented Decomposition for Task-aware Low-rank Adaptation with Less Forgetting and Faster Convergence

    Yibo Yang, Sihao Liu, Rao, Chuan, Bang An, Tiancheng Shen, Philip H. S. Torr, Ming–Hsuan Yang, Bernard Ghanem

    arXiv · 2025

    Context-oriented decomposition adaptation (CorDA), a novel method that initializes adapters in a task-aware manner, and develops CorDA++ in KPM, which not only achieves better fine-tuning performance than LoRA, but also mitigates the forgetting of pre-trained knowledge in both large language models and vision language models.

    6
  • Implicit neural representations for chemical reaction paths

    Kalyan Ramakrishnan, Lars L. Schaaf, Chen Lin, Guangrun Wang, Philip H. S. Torr

    The Journal of Chemical Physics · 2025

    It is shown that neural networks can be optimized to represent minimum energy paths as continuous functions, offering a flexible alternative to discrete path-search methods such as Nudged Elastic Band and demonstrating promise for a universal reaction path representation.

    6
  • PSyDUCK: Training-Free Steganography for Latent Diffusion

    Aqib Mahfuz, Georgia Channing, Mark van der Wilk, Philip H. S. Torr, Fabio Pizzati, de Witt, Christian Schroeder

    arXiv · 2025

    By overcoming the key challenges associated with latent diffusion model architectures, PSyDUCK sets a new standard for generative steganography, paving the way for scalable, real-world steganographic applications.

    6
  • Detecting LLM Hallucination Through Layer-wise Information Deficiency: Analysis of Ambiguous Prompts and Unanswerable Questions

    Hazel Kim, Tom A. Lamb, Adel Bibi, Philip H. S. Torr, Yarin Gal

    Conference on Empirical Methods in Natural Language Processing (EMNLP) · 2025

    6
  • PVUW 2025 Challenge Report: Advances in Pixel-Level Understanding of Complex Videos in the Wild

    Henghui Ding, Chang Liu, Nikhila Ravi, Shuting He, Yunchao Wei, Song Bai, Philip H. S. Torr, Kehuan Song, +22 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2025

    6
  • Live Collaborative Large-Scale Dense 3D Reconstruction Using Consumer-Grade Hardware

    Stuart Golodetz, Tommaso Cavallari, Nicholas A. Lord, Victor Adrian Prisacariu, David W. Murray, Philip H. S. Torr

    IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct) · 2018

    6
  • Spatio-temporal Human Action Localisation and Instance Segmentation in Temporally Untrimmed Videos

    Suman Saha, Gurkirt Singh, Michael Sapienza, Philip H. S. Torr, Fabio Cuzzolin

    arXiv · 2017

    6
  • Inducing Interpretable Representations with Variational Autoencoders

    Siddharth, N., Brooks Paige, Alban Desmaison, Jan-Willem van de Meent, Frank Wood, Noah D. Goodman, Pushmeet Kohli, Philip H. S. Torr

    arXiv · 2016

    6
  • Using strong shape priors for stereo

    Yunda Sun, Pushmeet Kohli, M. Bray, Philip H. S. Torr

    Indian Conference on Computer Vision, Graphics & Image Processing · 2006

    This paper addresses the problem of obtaining an accurate 3D reconstruction from multiple views with a framework based on an object-specific Markov Random Field and shows how parameters of these models can be efficiently estimated by performing inference on the MRF using dynamic graph cuts.

    6
  • On Pretraining Data Diversity for Self-Supervised Learning

    Hasan Abed Al Kader Hammoud, Tuhin Das, Fabio Pizzati, Philip H. S. Torr, Adel Bibi, Bernard Ghanem

    Lecture notes in computer science · 2024

    5
  • Data-Dependent Randomized Smoothing

    Motasem Alfarra, Adel Bibi, Philip H. S. Torr, Bernard Ghanem

    arXiv · 2020

    5
  • Body Language Based Individual Identification in Video Using Gait and Actions

    Y. Pratheepan, Philip H. S. Torr, Joan V. Condell, Girijesh Prasad

    Lecture notes in computer science · 2008

    This report considers two different categories of individual recognition, first, individual recognition using "style of walk" i.e. gait and second " style of doing similar actions" in video sequences.

    5
  • Fitting multiple models to multiple images with minimal user interaction

    Anton van den Hengel, Anthony Dick, Thorsten Thormaehlen, Philip H. S. Torr, Ben M. Ward

    Adelaide Research & Scholarship (AR&S) (University of Adelaide) · 2006

    A method for modelling compound structures which intelligently divides this prior information into that which might be applied by the system and that which may not, in a manner which minimises the human input required.

    5
  • Rapid Interactive Modelling from Video with Graph Cuts

    Anton van den Hengel, Anthony Dick, Thorsten Thormählen, Ben M. Ward, Philip H. S. Torr

    Eurographics · 2006

    The method is novel in that it uses information from several sources—video, sparse 3D points and user input—to fit models to a scene, and avoids common pitfalls of both automatic structure and motion algorithms, and image-based modelling pack ages.

    5
  • Lessons from reinforcement learning for biological representations of space

    Alex Muryy, N. Siddharth, Nantas Nardelli, Andrew Glennerster, Philip H. S. Torr

    Vision Research · 2020

    This paper introduces a hand-crafted representation that has, by design, a high degree of geometric consistency and demonstrates that, in this case, information about the persistence of features as the camera translates can improve performance on the geometric tasks.

    4
  • The Intriguing Effects of Focal Loss on the Calibration of Deep Neural Networks

    Jishnu Mukhoti, Viveka Kulharia, Amartya Sanyal, Stuart Golodetz, Philip H. S. Torr, Puneet K. Dokania

    2019

    4
  • Straight to Shapes++: Real-time Instance Segmentation Made More Accurate

    Laurynas Miksys, Saumya Jetley, Michael Sapienza, Stuart Golodetz, Philip H. S. Torr

    arXiv · 2019

    4
  • StyP-Boost: A Bilinear Boosting Algorithm for Learning Style-Parameterized Classifiers

    Jonathan Warrell, Philip H. S. Torr, Simon Prince

    British Machine Vision Conference (BMVC) · 2010

    A novel bilinear boosting algorithm is introduced, which extends the multi-class boosting framework of JointBoost to optimize a bilInear objective function, and style parameters are introduced to aid classification, where style is any factor which the classes vary with systematically, modeled by a vector quantity.

    4
  • Computer vision -- ECCV 2008 : 10th European Conference on Computer Vision, Marseille, France, October 12-18, 2008 : proceedings

    David Alexander Forsyth, Philip H. S. Torr, Andrew Zisserman

    European Conference on Computer Vision · 2008

    Image Segmentation in the Presence of Shadows and Highlights, and Key Object Driven Multi-category Object Recognition, Localization and Tracking and Stereo Matching.

    4
  • From Visual Query to Visual Portrayal

    Ali Shahrokni, C. Mei, Philip H. S. Torr, Ian D. Reid

    British Machine Vision Conference (BMVC) · 2008

    This paper introduces a method to fuse the rendered novel views from all input images at each virtual view point by computing their intrinsic image and illuminations and demonstrates the performance of the prototype system on two landmark structures.

    4
  • An Object Category Specific mrf for Segmentation

    Manish Kumar, Philip H. S. Torr, Andrew Zisserman

    Lecture notes in computer science · 2006

    This chapter presents a principled Bayesian method for detecting and segmenting instances of a particular object category within an image, providing a coherent methodology for combining top down and bottom up cues.

    4
  • Statistical Detection of Independent Movement from a Moving Camera

    Philip H. S. Torr, David W. Murray

    Springer eBooks · 1992

    4
  • Paper2Poster: Towards Multimodal Poster Automation from Scientific Papers

    Wei Pang, Kevin Qinghong Lin, Xiangru Jian, Xi He, Philip H. S. Torr

    neural information processing systems · 2025

    3
  • Large Language Models Miss the Multi-agent Mark

    Emanuele La Malfa, Gabriele La Malfa, Samuele Marro, Jie Zhang, Elizabeth Black, G. Flucke, Philip H. S. Torr, Michael Wooldridge

    neural information processing systems · 2025

    3
  • HelloFresh: LLM Evaluations on Streams of Real-World Human Editorial Actions across X Community Notes and Wikipedia edits

    Tim Franzmeyer, Aleksandar Shtedritski, Samuel Albanie, Philip H. S. Torr, João F. Henriques, Jakob Foerster

    arXiv · 2024

    HelloFresh is introduced, based on continuous streams of real-world data generated by intrinsically motivated human labelers, and it is found that HelloFresh yields a temporally consistent ranking.

    3
  • "Fairness in AI and Its Long-Term Implications on Society"

    Ondrej Bohdal, Timothy M. Hospedales, Philip H. S. Torr, Fazl Barez

    arXiv · 2023

    3
  • From Categories to Classifiers: Name-Only Continual Learning by Exploring the Web

    Ameya Prabhu, Hasan Abed Al Kader Hammoud, Ser-Nam Lim, Bernard Ghanem, Philip H. S. Torr, Adel Bibi

    arXiv · 2023

    Overall, this paper underscores the potential of using uncurated webly-supervised data to mitigate the challenges associated with manual data labeling in continual learning.

    3
  • Certifying Ensembles: A General Certification Theory with S-Lipschitzness

    Aleksandar Petrov, Francisco Eiras, Amartya Sanyal, Philip H. S. Torr, Adel Bibi

    arXiv · 2023

    This work generalise Lipschitz continuity by introducing S-Lipschitzer classifiers, which are used to analyse the theoretical robustness of ensembles and results are precise conditions when ensemble of robust classifiers are more robust than any constituent classifier.

    3
  • Rapid Adaptation in Online Continual Learning: Are We Evaluating It Right?

    Hasan Abed Al Kader Hammoud, Ameya Prabhu, Ser-Nam Lim, Philip H. S. Torr, Adel Bibi, Bernard Ghanem

    arXiv · 2023

    3
  • Understanding the Effects of Data Parallelism and Sparsity on Neural Network Training

    Lee, Namhoon, Thalaiyasingam Ajanthan, Philip H. S. Torr, Martin Jaggi

    arXiv · 2020

    3
  • Bipartite Graph Reasoning GANs for Person Image Generation

    Hao Tang, Song Bai, Philip H. S. Torr, Nicu Sebe

    Iris (University of Trento) · 2020

    3
  • Efficient Semidefinite Branch-and-Cut for MAP-MRF Inference

    Peng Wang, Chunhua Shen, Anton van den Hengel, Philip H. S. Torr

    International Journal of Computer Vision · 2015

    Experiments show that the proposed algorithm achieves better approximation than the state-of-the-art methods within a variety of time budgets on challenging non-submodular MAP-MRF inference problems.

    3
  • VideoTrace

    Anton van den Hengel, Anthony Dick, Thorsten Thormählen, Ben M. Ward, Philip H. S. Torr

    ACM Transactions on Graphics · 2007

    3
  • Hand Tracking Using a Quadric Surface Model and Bayesian Filtering

    Roberto Cipolla, Björn Stenger, Arasanathan Thayananthan, Philip H. S. Torr

    Lecture notes in computer science · 2003

    The effectiveness of the model-based 3D hand tracking technique is demonstrated by using it for tracking 3D articulated and non-rigid hand motion from monocular video sequences in front of a cluttered background.

    3
  • BenchCIR: Benchmarking robustness in composed image retrieval across modalities

    Shitong Sun, Qilei Li, Shaogang Gong, Weitong Cai, Philip H. S. Torr, Jindong Gu

    Pattern Recognition · 2026

    2
  • Computationally Budgeted Continual Learning: What Does Matter?

    Ameya Prabhu, Hasan Abed Al Kader Hammoud, Puneet K. Dokania, Philip H. S. Torr, Ser-Nam Lim, Bernard Ghanem, Adel Bibi

    arXiv · 2023

    2
  • Catastrophic overfitting can be induced with discriminative non-robust features

    Guillermo Ortiz-Jiménez, Pau de Jorge, Amartya Sanyal, Adel Bibi, Puneet K. Dokania, Pascal Frossard, Gregory Rogéz, Philip H. S. Torr

    arXiv · 2022

    2
  • ANCER: Anisotropic Certification via Sample-wise Volume Maximization

    Francisco Eiras, Motasem Alfarra, Manish Kumar, Philip H. S. Torr, Puneet K. Dokania, Bernard Ghanem, Adel Bibi

    arXiv · 2021

    2
  • Spatio-Temporal Action Instance Segmentation and Localisation

    Suman Saha, Gurkirt Singh, Michael Sapienza, Philip H. S. Torr, Fabio Cuzzolin

    Springer eBooks · 2020

    This work addresses the problem of action localisation and instance segmentation in which multiple concurrent actions of the same class may be segmented out of an image sequence by casting the action tube extraction as an energy maximisation problem in which configurations of region proposals in each frame are assigned a cost.

    2
  • GP-LVM for data consolidation

    Carl Henrik Ek, Philip H. S. Torr, Neil David Lawrence

    Bristol Research (University of Bristol) · 2008

    A probabilistic interpretation of canonical correlation analysis with Gaussian process latent variable models for human pose estimation and model selection techniques for nonlinear dimensionality reduction.

    2
  • RAPTM: Retrieval-Augmented Prompting for Short-Text Topic Modeling

    Rui Wang, Ziang Li, Shiyu Sun, Guozi Sun, Haiping Huang, Jialin Yu, Yuxiang Zhou, Philip H. S. Torr

    IEEE International Conference on Acoustics Speech and Signal Processing · 2026

    1
  • VIKI‑R: Coordinating Embodied Multi-Agent Cooperation via Reinforcement Learning

    Kang Li, Xiufeng Song, Heng Zhou, Yiran Qin, Jie Yang, Xiaohong Liu, Philip H. S. Torr, Lei Bai, +1 more

    neural information processing systems · 2025

    1
  • Segment, Select, Correct: A Framework for Weakly-Supervised Referring Segmentation

    Francisco Eiras, Kemal Öksüz, Adel Bibi, Philip H. S. Torr, Puneet K. Dokania

    Lecture notes in computer science · 2025

    1
  • PVUW 2024 Challenge on Complex Video Understanding: Methods and Results

    Henghui Ding, Chang Liu, Yunchao Wei, Nikhila Ravi, Shuting He, Song Bai, Philip H. S. Torr, Deshui Miao, +22 more

    Lecture notes in computer science · 2025

    1
  • HelloFresh: LLM Evalutions on Streams of Real-World Human Editorial Actions across X Community Notes and Wikipedia edits

    Tim Franzmeyer, Aleksandar Shtedritski, Samuel Albanie, Philip H. S. Torr, João F. Henriques, Jakob Foerster

    Findings of the Association for Computational Linguistics ACL 2024 · 2024

    1
  • NeRF-VPT: Learning Novel View Representations with Neural Radiance Fields via View Prompt Tuning

    Linsheng Chen, Guangrun Wang, Liuchun Yuan, Keze Wang, Ken Deng, Philip H. S. Torr

    arXiv · 2024

    1
  • Don't FREAK Out: A Frequency-Inspired Approach to Detecting Backdoor Poisoned Samples in DNNs

    Hasan Abed Al Kader Hammoud, Adel Bibi, Philip H. S. Torr, Bernard Ghanem

    arXiv · 2023

    1
  • Faithful Knowledge Distillation

    Tom A. Lamb, Rudy Brunel, Krishnamurthy Dvijotham, M. Pawan Kumar, Philip H. S. Torr, Francisco Eiras

    arXiv · 2023

    A faithful imitation framework is introduced to discuss the relative calibration of confidences with regard to a teacher-student pair and the advantages of the increased verifiability of faithful distillation over alternative adversarial distillation methods are demonstrated.

    1
  • Bipartite Graph Reasoning GANs for Person Pose and Facial Image Synthesis

    Hao Tang, Ling Shao, Philip H. S. Torr, Nicu Sebe

    arXiv · 2022

    1
  • Real or Fake: An Empirical Study and Improved Model for Fake Face Detection

    Zhengzhe Liu, Xiaojuan Qi, Jiaya Jia, Philip H. S. Torr

    2019

    1
  • Object Proposal Generation using Two-Stage Cascade SVMs

    Ziming Zhang, Philip H. S. Torr

    arXiv · 2014

    1
  • A Tiered Move-making Algorithm for General Non-submodular Pairwise Energies

    Vibhav Vineet, Jonathan Warrell, Philip H. S. Torr

    arXiv · 2014

    1
  • Enforcing Label Consistency Using Higher-Order Potentials

    Pushmeet Kohli, Ľubor Ladický, Philip H. S. Torr

    The MIT Press eBooks · 2011

    1
  • Dynamic Markov Random Fields

    Philip H. S. Torr

    International Machine Vision and Image Processing Conference (IMVIP) · 2008

    1
  • Template-Based Hand Detection and Tracking

    Roberto Cipolla, Björn Stenger, Arasanathan Thayananthan, Philip H. S. Torr

    Lecture notes in computer science · 2005

    The effectiveness of the model-based 3D hand tracking technique is demonstrated by using it for tracking 3D articulated and non-rigid hand motion from monocular video sequences in front of a cluttered background.

    1
  • CHAOS: Chart Analysis with Outlier Samples

    Yufan Chen, Omar Moured, Ruiping Liu, Simon Reiß, Philip H. S. Torr, Jiaming Zhang, Rainer Stiefelhagen

    IEEE International Conference on Acoustics Speech and Signal Processing · 2026

    –
  • GALILEO: Embodied AI scientist for autonomous therapeutic discovery in dynamic membrane systems

    Nan Jiang, Rongyuan Wei, Hao Xiao, Zhenfei Yin, Xi Wang, Taoyong Cui, Ke Shao, Jian Zhou, +4 more

    bioRxiv (Cold Spring Harbor Laboratory) · 2026

    These results establish retrieval-and-editing-based physical learning as a route for auditable, experimentally grounded interventions and transferable membrane-blocker rules.

    –
  • Scaling Behaviors of LLM Reinforcement Learning Post-Training: An Empirical Study in Mathematical Reasoning

    Association for Computational Linguistics 2026, Lei Bai, Yutao Fan, Hejia Geng, Qiang He, Zhong-zhi Li, Zelin Tan, Philip H. S. Torr, +10 more

    Underline Science Inc. · 2026

    –
  • Behavioral Consistency Validation for LLM Agents: An Analysis of Trading-Style Switching through Stock-Market Simulation

    Association for Computational Linguistics 2026, Hongfeng Chai, Kai Chen, Y Chen, Zeping Li, Philip H. S. Torr, Guancheng Wan, Guangnan Ye, +2 more

    Underline Science Inc. · 2026

    –
  • MedGenesis: Toward a World Model for Autonomous Clinical and Translational Research

    Xiao Hao, Nan Jiang, Tiancheng Zhang, Zhenfei Yin, Tao Gui, Zhongyue Zhang, Ke Shao, Jiacheng Ge, +12 more

    medRxiv · 2026

    MedGenesis, a clinical artificial intelligence scientist built on a world-model reasoning loop that jointly updates a Latent Hypothesis Space and a Latent Action Space under expected information gain, uncertainty reduction, and a safety prior P(safe), and integrates longitudinal electronic health records (EHRs) via the Virtual Clinical Trajectory and Observation Representation (ViCTOR).

    –
  • ActCam: Zero-Shot Joint Camera and 3D Motion Control for Video Generation

    Omar El Khalifi, Thomas Rossi, Oscar Fossey, Thibault Fouque, Ulysse Mizrahi, Philip H. S. Torr, Ivan Laptev, Fabio Pizzati, +1 more

    ACM SIGGRAPH Conference Papers (SIGGRAPH) · 2026

    ActCam is presented, a zero-shot method for video generation that jointly transfers character motion from a driving video into a new scene and enables per-frame control of intrinsic and extrinsic camera parameters.

    –
  • Too Late to Recall: Explaining the Two-Hop Problem in Multimodal Knowledge Retrieval

    Constantin Venhoff, Ashkan Khakzar, Sonia Joseph, Philip H. S. Torr, Neel Nanda

    neural information processing systems · 2025

    –
  • What Makes and Breaks Safety Fine-tuning? A Mechanistic Study

    Samyak Jain, Ekdeep Singh Lubana, Kemal Öksüz, Tom Joy, Philip H. S. Torr, Amartya Sanyal, Puneet K. Dokania

    neural information processing systems · 2024

    –
  • BNV-Fusion: Dense 3D Reconstruction using Bi-level Neural Volume Fusion

    Kejie Li, Yansong Tang, Victor Adrian Prisacariu, Philip H. S. Torr

    arXiv · 2022

    –
  • Open Vocabulary Semantic Segmentation with Patch Aligned Contrastive Learning

    Jishnu Mukhoti, Tsung‐Yu Lin, Omid Poursaeed, Rui Wang, Ashish S. Shah, Philip H. S. Torr, Ser-Nam Lim

    arXiv · 2022

    –
  • On the Robustness of Quality Measures for GANs

    Motasem Alfarra, Pérez, Juan C., Anna Frühstück, Philip H. S. Torr, Peter Wonka, Bernard Ghanem

    arXiv · 2022

    –
  • Robust$\mathcal{ART}$: Benchmarking Robustness on Architecture Design and Training Techniques

    Shiyu Tang, Ruihao Gong, Wang Yan, Aishan Liu, Jiakai Wang, Xinyun Chen, Fengwei Yu, Xianglong Liu, +4 more

    2021

    –
  • Shape-Tailored Deep Neural Networks With PDEs

    Naeemullah Khan, Angira Sharma, Philip H. S. Torr, Ganesh Sundaramoorthi

    2021

    –
  • Combating Adversaries with Anti-Adversaries

    Motasem Alfarra, Pérez, Juan C., Ali Thabet, Adel Bibi, Philip H. S. Torr, Bernard Ghanem

    arXiv · 2021

    –
  • DeformRS: Certifying Input Deformations with Randomized Smoothing

    Motasem Alfarra, Adel Bibi, Naeemullah Khan, Philip H. S. Torr, Bernard Ghanem

    arXiv · 2021

    –
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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 2026-10-12. 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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