Stefan Duffner on Imagine Team https://projet.liris.cnrs.fr/imagine/authors/stefan-duffner/ Recent content in Stefan Duffner on Imagine Team Hugo en-US © 2026 IMAGINE team - LIRIS Thu, 01 Jan 2026 00:00:00 +0000 CLIMB: Centroid-Based Hierarchical Memory for Online Continual Self-Supervised Learning https://projet.liris.cnrs.fr/imagine/publications/hal-05702375/ Thu, 01 Jan 2026 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-05702375/ A modular machine learning tool for holistic and fine-grained behavioral analysis https://projet.liris.cnrs.fr/imagine/publications/hal-04870165/ Wed, 01 Jan 2025 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04870165/ From detections to decisions: an attention-guided deep multiple instance learning approach for visual tire inspection https://projet.liris.cnrs.fr/imagine/publications/hal-05319373/ Wed, 01 Jan 2025 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-05319373/ Towards Sharper Object Boundaries in Self-Supervised Depth Estimation https://projet.liris.cnrs.fr/imagine/publications/hal-05229697/ Wed, 01 Jan 2025 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-05229697/ An automatic inspection system for the detection of tire surface defects and their severity classification through a two-stage multimodal deep learning approach https://projet.liris.cnrs.fr/imagine/publications/hal-04870071/ Mon, 01 Jan 2024 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04870071/ Federated brain tumor segmentation: an extensive benchmark https://projet.liris.cnrs.fr/imagine/publications/hal-04719581/ Mon, 01 Jan 2024 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04719581/ GroCo: Ground Constraint for Metric Self-Supervised Monocular Depth https://projet.liris.cnrs.fr/imagine/publications/hal-04704025/ Mon, 01 Jan 2024 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04704025/ Heterogeneous SplitFed: Federated Learning with Trainable and Untrainable Clients https://projet.liris.cnrs.fr/imagine/publications/hal-04712790/ Mon, 01 Jan 2024 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04712790/ On GNN explanability with activation patterns https://projet.liris.cnrs.fr/imagine/publications/hal-03367714/ Mon, 01 Jan 2024 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03367714/ SportsVideo: A Multimedia Dataset for Sports Event and Position Detection in Table Tennis and Swimming https://projet.liris.cnrs.fr/imagine/publications/hal-04490839/ Mon, 01 Jan 2024 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04490839/ Is My Neural Net Driven by the MDL Principle? https://projet.liris.cnrs.fr/imagine/publications/hal-04231405/ Sun, 01 Jan 2023 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04231405/ Learning Complexity to Guide Light-Induced Self-Organized Nanopatterns https://projet.liris.cnrs.fr/imagine/publications/ujm-04157829/ Sun, 01 Jan 2023 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/ujm-04157829/ Long-Range Transformer Architectures for Document Understanding https://projet.liris.cnrs.fr/imagine/publications/hal-04191797/ Sun, 01 Jan 2023 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04191797/ SwimTrack: Swimmers and Stroke Rate Detection in Elite Race Videos https://projet.liris.cnrs.fr/imagine/publications/hal-03936053/ Sun, 01 Jan 2023 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03936053/ Whole-brain radiomics for clustered federated personalization in brain tumor segmentation https://projet.liris.cnrs.fr/imagine/publications/hal-04233428/ Sun, 01 Jan 2023 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04233428/ Efficient One-Shot Sports Field Image Registration with Arbitrary Keypoint Segmentation https://projet.liris.cnrs.fr/imagine/publications/hal-03738153/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03738153/ Improving Information Extraction on Business Documents with Specific Pre-Training Tasks https://projet.liris.cnrs.fr/imagine/publications/hal-03676134/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03676134/ In pursuit of the hidden features of GNN’s internal representations https://projet.liris.cnrs.fr/imagine/publications/hal-03898323/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03898323/ Learning PDE to Model Self-Organization of Matter https://projet.liris.cnrs.fr/imagine/publications/ujm-03823722/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/ujm-03823722/ On GNN explanability with activation rules https://projet.liris.cnrs.fr/imagine/publications/hal-03821784/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03821784/ Periodicity Counting in Videos with Unsupervised Learning of Cyclic Embeddings https://projet.liris.cnrs.fr/imagine/publications/hal-03738161/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03738161/ Qu'est-ce que mon GNN capture vraiment ? Exploration des représentations internes d'un GNN https://projet.liris.cnrs.fr/imagine/publications/hal-03921033/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03921033/ RESIST: Robust Transformer for Unsupervised Time Series Anomaly Detection https://projet.liris.cnrs.fr/imagine/publications/hal-04346819/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-04346819/ Robust Variational Autoencoders and Normalizing Flows for Unsupervised Network Anomaly Detection https://projet.liris.cnrs.fr/imagine/publications/hal-03542451/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03542451/ The Impact of Action in Visual Representation Learning https://projet.liris.cnrs.fr/imagine/publications/hal-03815546/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03815546/ What Does My GNN Really Capture? On Exploring Internal GNN Representations https://projet.liris.cnrs.fr/imagine/publications/hal-03700710/ Sat, 01 Jan 2022 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03700710/ 2D Wasserstein Loss for Robust Facial Landmark Detection https://projet.liris.cnrs.fr/imagine/publications/hal-03162012/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03162012/ Data-Efficient Information Extraction from Documents with Pre-Trained Language Models https://projet.liris.cnrs.fr/imagine/publications/hal-03267497/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03267497/ Detecting Swimmers in Unconstrained Videos with Few Training Data https://projet.liris.cnrs.fr/imagine/publications/hal-03358375/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03358375/ Exploiting Visual Context to Identify People in TV Programs https://projet.liris.cnrs.fr/imagine/publications/hal-03426301/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03426301/ Learning Sparse Filters In Deep Convolutional Neural Networks With A l 1 /l 2 Pseudo-Norm https://projet.liris.cnrs.fr/imagine/publications/hal-03048750/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03048750/ List-wise learning-to-rank with convolutional neural networks for person re-identification https://projet.liris.cnrs.fr/imagine/publications/hal-03157567/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03157567/ Novelty detection for unsupervised continual learning in image sequences https://projet.liris.cnrs.fr/imagine/publications/hal-03465146/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03465146/ RADON: Robust Autoencoder for Unsupervised Anomaly Detection https://projet.liris.cnrs.fr/imagine/publications/hal-03542185/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03542185/ Self-supervised continual learning for object recognition in image sequences https://projet.liris.cnrs.fr/imagine/publications/hal-03465149/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03465149/ Sequence Metric Learning as Synchronization of Recurrent Neural Networks https://projet.liris.cnrs.fr/imagine/publications/hal-03264242/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03264242/ Similarity Metric Learning https://projet.liris.cnrs.fr/imagine/publications/hal-03465119/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03465119/ Unsupervised learning of co-occurrences for face images retrieval https://projet.liris.cnrs.fr/imagine/publications/hal-03339397/ Fri, 01 Jan 2021 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03339397/ Compression de réseaux convolutifs par utilisation d’un terme de clarté l1/l2 sur les noyaux. https://projet.liris.cnrs.fr/imagine/publications/hal-02972510/ Wed, 01 Jan 2020 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02972510/ Deep Model Compression and Architecture Optimization for Embedded Systems: A Survey https://projet.liris.cnrs.fr/imagine/publications/hal-03048735/ Wed, 01 Jan 2020 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03048735/ Fine-grained facial landmark detection exploiting intermediate feature representations https://projet.liris.cnrs.fr/imagine/publications/hal-02890931/ Wed, 01 Jan 2020 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02890931/ Learning Personalized ADL Recognition Models from Few Raw Data https://projet.liris.cnrs.fr/imagine/publications/hal-02882684/ Wed, 01 Jan 2020 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02882684/ Multiple Instance Learning for Training Neural Networks under Label Noise https://projet.liris.cnrs.fr/imagine/publications/hal-02902571/ Wed, 01 Jan 2020 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02902571/ Network Traffic Modeling For IoT-device Re-identification https://projet.liris.cnrs.fr/imagine/publications/hal-03148283/ Wed, 01 Jan 2020 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-03148283/ Two-stage human hair segmentation in the wild using deep shape prior https://projet.liris.cnrs.fr/imagine/publications/hal-02890593/ Wed, 01 Jan 2020 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02890593/ Human Hair Segmentation In The Wild Using Deep Shape Prior https://projet.liris.cnrs.fr/imagine/publications/hal-02891974/ Tue, 01 Jan 2019 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02891974/ MACHINE LEARNING OF COMMITTOR FUNCTIONS FOR PREDICTING HIGH IMPACT CLIMATE EVENTS https://projet.liris.cnrs.fr/imagine/publications/hal-02322370/ Tue, 01 Jan 2019 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02322370/ Personalized Posture and Fall Classification with Shallow Gated Recurrent Units https://projet.liris.cnrs.fr/imagine/publications/hal-02095355/ Tue, 01 Jan 2019 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02095355/ Routine Modeling with Time Series Metric Learning https://projet.liris.cnrs.fr/imagine/publications/hal-02165265/ Tue, 01 Jan 2019 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02165265/ Weakly Supervised and On-line Machine Learning for Object Tracking and Recognition in Images and Videos https://projet.liris.cnrs.fr/imagine/publications/tel-02157568/ Tue, 01 Jan 2019 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/tel-02157568/ A survey of deep facial landmark detection https://projet.liris.cnrs.fr/imagine/publications/hal-02892002/ Mon, 01 Jan 2018 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-02892002/ Deep and Low-level Feature based Attribute Learning for Person Re-identification https://projet.liris.cnrs.fr/imagine/publications/hal-01895367/ Mon, 01 Jan 2018 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01895367/ Low-complexity Approximate Convolutional Neural Networks https://projet.liris.cnrs.fr/imagine/publications/hal-01727219/ Mon, 01 Jan 2018 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01727219/ Pairwise Identity Verification via Linear Concentrative Metric Learning https://projet.liris.cnrs.fr/imagine/publications/hal-01435368/ Mon, 01 Jan 2018 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01435368/ Pedestrian attribute recognition with part-based CNN and combined feature representations https://projet.liris.cnrs.fr/imagine/publications/hal-01625470/ Mon, 01 Jan 2018 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01625470/ Person Re-identification using group context https://projet.liris.cnrs.fr/imagine/publications/hal-01895373/ Mon, 01 Jan 2018 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01895373/ Person Re-identification with a Body Orientation-Specific Convolutional Neural Network https://projet.liris.cnrs.fr/imagine/publications/hal-01895374/ Mon, 01 Jan 2018 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01895374/ SIMILARITY LEARNING WITH LISTWISE RANKING FOR PERSON RE-IDENTIFICATION https://projet.liris.cnrs.fr/imagine/publications/hal-01895355/ Mon, 01 Jan 2018 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01895355/ Autonomous object recognition in videos using Siamese Neural Networks https://projet.liris.cnrs.fr/imagine/publications/hal-01630163/ Sun, 01 Jan 2017 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01630163/ Class-Balanced Siamese Neural Networks https://projet.liris.cnrs.fr/imagine/publications/hal-01580527/ Sun, 01 Jan 2017 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01580527/ Digital architecture for real-time CNN-based face detection for video processing https://projet.liris.cnrs.fr/imagine/publications/hal-01574551/ Sun, 01 Jan 2017 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01574551/ Fast Pixelwise Adaptive Visual Tracking of Non-Rigid Objects https://projet.liris.cnrs.fr/imagine/publications/hal-01574513/ Sun, 01 Jan 2017 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01574513/ Ré-identification de personne avec perte min-triplet https://projet.liris.cnrs.fr/imagine/publications/hal-01625496/ Sun, 01 Jan 2017 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01625496/ Triplet CNN and pedestrian attribute recognition for improved person re-identification https://projet.liris.cnrs.fr/imagine/publications/hal-01625479/ Sun, 01 Jan 2017 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01625479/ Polar Sine Based Siamese Neural Network for Gesture Recognition https://projet.liris.cnrs.fr/imagine/publications/hal-01369302/ Fri, 01 Jan 2016 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01369302/ Classifying Global Scene Context for On-line Multiple Tracker Selection https://projet.liris.cnrs.fr/imagine/publications/hal-01208200/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01208200/ Coherent Selection of Independent Trackers for Real-time Object Tracking https://projet.liris.cnrs.fr/imagine/publications/hal-01161859/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01161859/ Logistic Similarity Metric Learning for Face Verification https://projet.liris.cnrs.fr/imagine/publications/hal-01158949/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01158949/ Siamese Multi-layer Perceptrons for Dimensionality Reduction and Face Identification https://projet.liris.cnrs.fr/imagine/publications/hal-01182273/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01182273/ Siamese Neural Network based Similarity Metric for Inertial Gesture Classification and Rejection https://projet.liris.cnrs.fr/imagine/publications/hal-01179993/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01179993/ The FG 2015 Kinship Verification in the Wild Evaluation https://projet.liris.cnrs.fr/imagine/publications/hal-01158942/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01158942/ The Visual Object Tracking VOT2015 Challenge Results https://projet.liris.cnrs.fr/imagine/publications/hal-01336773/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01336773/ Triangular Similarity Metric Learning for Face Verification https://projet.liris.cnrs.fr/imagine/publications/hal-01158908/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01158908/ Using discriminative motion context for on-line visual object tracking https://projet.liris.cnrs.fr/imagine/publications/hal-01340308/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01340308/ Visual Focus of Attention estimation with unsupervised incremental learning https://projet.liris.cnrs.fr/imagine/publications/hal-01153969/ Thu, 01 Jan 2015 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01153969/ 3D gesture classification with convolutional neural networks https://projet.liris.cnrs.fr/imagine/publications/hal-01180542/ Wed, 01 Jan 2014 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01180542/ Convolutive Bottleneck Network with Dropout for Dysarthric Speech Recognition https://projet.liris.cnrs.fr/imagine/publications/hal-01301040/ Wed, 01 Jan 2014 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01301040/ Dysarthric Speech Recognition Using a Convolutive Bottleneck Network https://projet.liris.cnrs.fr/imagine/publications/hal-01301122/ Wed, 01 Jan 2014 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01301122/ Exploiting contextual motion cues for visual object tracking https://projet.liris.cnrs.fr/imagine/publications/hal-01301089/ Wed, 01 Jan 2014 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01301089/ Leveraging Colour Segmentation for Upper-Body Detection https://projet.liris.cnrs.fr/imagine/publications/hal-01270720/ Wed, 01 Jan 2014 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01270720/ The Visual Object Tracking VOT2014 challenge results https://projet.liris.cnrs.fr/imagine/publications/hal-01301090/ Wed, 01 Jan 2014 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01301090/ PixelTrack: a fast adaptive algorithm for tracking non-rigid objects https://projet.liris.cnrs.fr/imagine/publications/hal-00976387/ Tue, 01 Jan 2013 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-00976387/ Real-Time Audio-Visual Analysis for Multiperson Videoconferencing https://projet.liris.cnrs.fr/imagine/publications/hal-01339256/ Tue, 01 Jan 2013 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-01339256/ Unsupervised Online Learning of Visual Focus of Attention https://projet.liris.cnrs.fr/imagine/publications/hal-00976391/ Tue, 01 Jan 2013 00:00:00 +0000 https://projet.liris.cnrs.fr/imagine/publications/hal-00976391/