Prof Ioannis Patras
Professor of Computer Vision and Human Sensing
Head of The Centre for Multimodal AI
School of Electronic Engineering and Computer Science
Queen Mary University of London
Queen Mary University of London
Research
Computer Vision, Machine Learning, Multimodal AI, Affective Computing, NLP
Interests
My expertise is in the area of Computer Vision and Machine learning with applications in MultimediaAnalysis and Affective Computing. My recent works and research interests are at the cross-roads of
Computer Vision and NLP designing methods for both recognition and controllable generation. My aspiration is to contribute to research towards AI systems that serve the greater good.
Publications
Publications of specific relevance to the Centre for Multimodal AI2024
Ionescu B, Patras I, Müller H and Del Bimbo A (2024). Introduction to the Special Issue on Realistic Synthetic Data: Generation, Learning, Evaluation. ACM Transactions on Multimedia Computing Communications and Applications, Association for Computing Machinery (ACM) 09-11-2024
Oldfield J, Tzelepis C, Panagakis Y, Nicolaou MA and Patras I (2024). Bilinear Models of Parts and Appearances in Generative Adversarial Networks. IEEE Transactions on Pattern Analysis and Machine Intelligence, Institute of Electrical and Electronics Engineers (IEEE) vol. 46 (12), 8568-8579. 06-11-2024
Feng C, Tzimiropoulos G and Patras I (2024). CLIPCleaner: Cleaning Noisy Labels with CLIP. Proceedings of the 32nd ACM International Conference on Multimedia. 28-10-2024
Oldfield J, Georgopoulos M, Chrysos G, Tzelepis C, Panagakis Y, Nicolaou MA, Deng J and Patras I (2024). Multilinear Mixture of Experts: Scalable Expert Specialization through Factorization. 38th Conference on Neural Information Processing Systems (NeurIPS), 38th Conference on Neural Information Processing Systems (NeurIPS) 16-10-2024
Maniadis Metaxas I, Tzimiropoulos G and Patras I (2024). Efficient Unsupervised Visual Representation Learning with Explicit Cluster Balancing. European Conference on Computer Vision 2024 29 Sep 2024 - 4 Oct 2024. 29-09-2024
Bounareli S, Tzelepis C, Argyriou V, Patras I and Tzimiropoulos G (2024). One-Shot Neural Face Reenactment via Finding Directions in GAN's Latent Space. Int. J. Comput. Vis. vol. 132, 3324-3354. 01-08-2024
Feng C, Tzimiropoulos G and Patras I (2024). NoiseBox: Towards More Efficient and Effective Learning with Noisy Labels. IEEE Transactions on Circuits and Systems for Video Technology, Institute of Electrical and Electronics Engineers 11-07-2024
Apostolidis E, Balaouras G, Patras I and Mezaris V (2024). Explainable Video Summarization for Advancing Media Content Production. Encyclopedia of Information Science and Technology, Sixth Edition 1-24. 01-07-2024
Foteinopoulou NM and Patras I (2024). EmoCLIP: A Vision-Language Method for Zero-Shot Video Facial Expression Recognition. 31-05-2024
Alwazzan O, Patras I and Slabaugh G (2024). FOAA: Flattened Outer Arithmetic Attention for Multimodal Tumor Classification. International Symposium on Biomedical Imaging, Institute of Electrical and Electronics Engineers (IEEE) vol. 00, 1-5. 30-05-2024
Zhao Z, Cao Y, Gong S and Patras I (2024). Enhancing Zero-Shot Facial Expression Recognition by LLM Knowledge Transfer. 29-05-2024
Zoumpourlis G and Patras I (2024). Motor Imagery Decoding Using Ensemble Curriculum Learning and Collaborative Training. 12th International Winter Conference on Brain-Computer Interface (BCI) 26 Feb 2024 - 28 Feb 2024. 02-04-2024
Bounareli S, Tzelepis C, Argyriou V, Patras I and Tzimiropoulos G (2024). DiffusionAct: Controllable Diffusion Autoencoder for One-shot Face Reenactment. 25-03-2024
Bounareli S, Tzelepis C, Argyriou V, Patras I and Tzimiropoulos G (2024). One-Shot Neural Face Reenactment via Finding Directions in GAN’s Latent Space. International Journal of Computer Vision, Springer Nature vol. 132 (8), 3324-3354. 13-03-2024
Zoumpourlis G and Patras I (2024). Motor Imagery Decoding Using Ensemble Curriculum Learning and Collaborative Training. 28-02-2024
D’Incà M, Tzelepis C, Patras I and Sebe N (2024). Improving Fairness using Vision-Language Driven Image Augmentation. 08-01-2024
Gao Z, Feng C and Patras I (2024). Self-Supervised Representation Learning with Cross-Context Learning between Global and Hypercolumn Features. 2024 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV). 08-01-2024
Metaxas IM, Tzimiropoulos G and Patras I (2024). Efficient Unsupervised Visual Representation Learning with Explicit Cluster Balancing. CoRR vol. abs/2407.11168 01-01-2024
Alwazzan O, Patras I and Slabaugh GG (2024). FOAA: Flattened Outer Arithmetic Attention for Multimodal Tumor Classification. 01-01-2024
Zhang Z, Liu Z and Patras I (2024). Get Confused Cautiously: Textual Sequence Memorization Erasure with Selective Entropy Maximization. CoRR vol. abs/2408.04983 01-01-2024
Cioni D, Tzelepis C, Seidenari L and Patras I (2024). Are CLIP features all you need for Universal Synthetic Image Origin Attribution? CoRR vol. abs/2408.09153 01-01-2024
Sun Z, Song S, Patras I and Tzimiropoulos G (2024). CemiFace: Center-based Semi-hard Synthetic Face Generation for Face Recognition. 01-01-2024
Gao Z and Patras I (2024). Self-Supervised Facial Representation Learning with Facial Region Awareness. 01-01-2024
Sun Z, Feng C, Patras I and Tzimiropoulos G (2024). LAFS: Landmark-Based Facial Self-Supervised Learning for Face Recognition. 01-01-2024
Meng D, Tzelepis C, Patras I and Tzimiropoulos G (2024). MM2Latent: Text-to-facial image generation and editing in GANs with multimodal assistance. CoRR vol. abs/2409.11010 01-01-2024
Feng C, Tzimiropoulos G and Patras I (2024). CLIPCleaner: Cleaning Noisy Labels with CLIP., Editors: Cai J, Kankanhalli MS, Prabhakaran B, Boll S, Subramanian R, Zheng L, Singh VK, César P, Xie L and Xu D. 01-01-2024
Foteinopoulou NM and Patras I (2024). EmoCLIP: A Vision-Language Method for Zero-Shot Video Facial Expression Recognition. 01-01-2024
Gao Z and Patras I (2024). Self-Supervised Facial Representation Learning with Facial Region Awareness. 01-01-2024
Sun Z, Feng C, Patras I and Tzimiropoulos G (2024). LAFS: Landmark-Based Facial Self-Supervised Learning for Face Recognition. 01-01-2024
Oldfield J, Georgopoulos M, Chrysos GG, Tzelepis C, Panagakis Y, Nicolaou MA, Deng J and Patras I (2024). Multilinear Mixture of Experts: Scalable Expert Specialization through Factorization. CoRR vol. abs/2402.12550 01-01-2024
Alwazzan O, Khan A, Patras I and Slabaugh GG (2024). MOAB: Multi-Modal Outer Arithmetic Block For Fusion Of Histopathological Images And Genetic Data For Brain Tumor Grading. CoRR vol. abs/2403.06349 01-01-2024
D'Incà M, Tzelepis C, Patras I and Sebe N (2024). Improving Fairness using Vision-Language Driven Image Augmentation. 01-01-2024
Xenos A, Foteinopoulou NM, Ntinou I, Patras I and Tzimiropoulos G (2024). VLLMs Provide Better Context for Emotion Understanding Through Common Sense Reasoning. CoRR vol. abs/2404.07078 01-01-2024
Singh AK and Patras I (2024). FashionSD-X: Multimodal Fashion Garment Synthesis using Latent Diffusion. CoRR vol. abs/2404.18591 01-01-2024
2023
Apostolidis E, Mezaris V and Patras I (2023). A Study on the Use of Attention for Explaining Video Summarization. Proceedings of the 2nd Workshop on User-centric Narrative Summarization of Long Videos. 29-10-2023
Kankanhalli MS, Patras I, Liu J, Wong Y and Komamizu T (2023). NarSUM 2023 Chairs Welcome. NarSUM 2023 - Proceedings of the 2nd Workshop on User-centric Narrative Summarization of Long Videos, Co-located with: MM 2023 29-10-2023
Kankanhalli MS, Patras I, Liu J, Wong Y, Komamizu T, Yamazaki S, Stephen K and Kansal K (2023). NarSUM '23: The 2nd Workshop on User-Centric Narrative Summarization of Long Videos. Proceedings of the 31st ACM International Conference on Multimedia. 26-10-2023
Apostolidis E, Balaouras G, Mezaris V and Patras I (2023). Selecting A Diverse Set Of Aesthetically-Pleasing and Representative Video Thumbnails Using Reinforcement Learning. 2023 IEEE International Conference on Image Processing (ICIP). 11-10-2023
Bounareli S, TZELEPIS C, Argyriou V, Patras I and Tzimiropoulos G (2023). HyperReenact: one-shot reenactment via jointly learning to refine and retarget faces. International Conference on Computer Vision. 02-10-2023
Gao Z, Feng C and Patras I (2023). Self-Supervised Representation Learning with Cross-Context Learning between Global and Hypercolumn Features. 25-08-2023
Kordopatis-Zilos G, Tolias G, Tzelepis C, Kompatsiaris I, Patras I and Papadopoulos S (2023). Self-Supervised Video Similarity Learning. 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW). 24-06-2023
Barattin S, Tzelepis C, Patras I and Sebe N (2023). Attribute-Preserving Face Dataset Anonymization via Latent Code Optimization. 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). 24-06-2023
Feng C and Patras I (2023). MaskCon: Masked Contrastive Learning for Coarse-Labelled Dataset. 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). 24-06-2023
Maniadis Metaxas I, Tzimiropoulos G and Patras I (2023). DivClust: Controlling Diversity in Deep Clustering. The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2023. 18-06-2023
Patras I (2023). Controllable image generation and manipulation. Proceedings of the 2nd ACM International Workshop on Multimedia AI against Disinformation. 12-06-2023
Alwazzan O, Khan A, Patras I and Slabaugh G (2023). MOAB: Multi-Modal Outer Arithmetic Block for Fusion of Histopathological Images and Genetic Data for Brain Tumor Grading. 2023 IEEE 20th International Symposium on Biomedical Imaging (ISBI). 21-04-2023
Yang Q, Tzelepis C, Nikolenko S, Patras I and Farseev A (2023). Just To See You Smile: SMILEY, a Voice-Guided 27-02-2023
Bounareli S, Tzelepis C, Argyriou V, Patras I and Tzimiropoulos G (2023). StyleMask: Disentangling the Style Space of StyleGAN2 for Neural Face Reenactment. 2023 IEEE 17th International Conference on Automatic Face and Gesture Recognition (FG). 08-01-2023
Batziou E, Ioannidis K, Patras I, Vrochidis S and Kompatsiaris I (2023). Artistic neural style transfer using CycleGAN and FABEMD by adaptive information selection. Pattern Recognition Letters, Elsevier vol. 165, 55-62. 01-01-2023
Batziou E, Ioannidis K, Patras I, Vrochidis S and Kompatsiaris I (2023). Low-Light Image Enhancement Based on U-Net and Haar Wavelet Pooling. 01-01-2023
Oldfield J, Tzelepis C, Panagakis Y, Nicolaou MA and Patras I (2023). PANDA: UNSUPERVISED LEARNING OF PARTS AND APPEARANCES IN THE FEATURE MAPS OF GANS. 01-01-2023
Xenos A, Stafylakis T, Patras I and Tzimiropoulos G (2023). A Simple Baseline for Knowledge-Based Visual Question Answering. Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing. 01-01-2023
Zhao Z and Patras I (2023). Prompting Visual-Language Models for Dynamic Facial Expression Recognition. 01-01-2023
Xenos A, Stafylakis T, Patras I and Tzimiropoulos G (2023). A Simple Baseline for Knowledge-Based Visual Question Answering., Editors: Bouamor H, Pino J and Bali K. 01-01-2023
Oldfield J, Tzelepis C, Panagakis Y, Nicolaou MA and Patras I (2023). Parts of Speech-Grounded Subspaces in Vision-Language Models. 01-01-2023
Oldfield J, Tzelepis C, Panagakis Y, Nicolaou MA and Patras I (2023). Parts of Speech-Grounded Subspaces in Vision-Language Models. 01-01-2023
Metaxas IM, Bulat A, Patras I, Martínez B and Tzimiropoulos G (2023). SimDETR: Simplifying self-supervised pretraining for DETR. CoRR vol. abs/2307.15697 01-01-2023
Foteinopoulou NM and Patras I (2023). Machine Learning Approaches for Fine-Grained Symptom Estimation in Schizophrenia: A Comprehensive Review. CoRR vol. abs/2310.16677 01-01-2023
Barattin S, Tzelepis C, Patras I and Sebe N (2023). Attribute-Preserving Face Dataset Anonymization via Latent Code Optimization. 01-01-2023
Bounareli S, Tzelepis C, Argyriou V, Patras I and Tzimiropoulos G (2023). StyleMask: Disentangling the Style Space of StyleGAN2 for Neural Face Reenactment. 01-01-2023
Kordopatis-Zilos G, Tolias G, Tzelepis C, Kompatsiaris I, Patras I and Papadopoulos S (2023). Self-Supervised Video Similarity Learning. 01-01-2023
Bounareli S, Tzelepis C, Argyriou V, Patras I and Tzimiropoulos G (2023). HyperReenact: One-Shot Reenactment via Jointly Learning to Refine and Retarget Faces. 01-01-2023
Oldfield J, Tzelepis C, Panagakis Y, Nicolaou M and Patras I (2023). PandA: Unsupervised Learning of Parts and Appearances in the Feature Maps of GANs. 01-01-2023
2022
Apostolidis E, Balaouras G, Mezaris V and Patras I (2022). Explaining video summarization based on the focus of attention. 2022 IEEE International Symposium on Multimedia (ISM). 07-12-2022
Feng C and Patras I (2022). Adaptive Soft Contrastive Learning. 2022 26th International Conference on Pattern Recognition (ICPR). 29-11-2022
Foteinopoulou N and Patras I (2022). Learning from Label Relationships in Human Affect. Proceedings of the 30th ACM International Conference on Multimedia (MM '22) Lisboa, Portugal 10 Oct 2022 - 14 Oct 2022. 10-10-2022
Patras I (2022). Video Summarization in the Deep Learning Era. Proceedings of the 1st Workshop on User-centric Narrative Summarization of Long Videos. 10-10-2022
Feng C and Patras I (2022). Adaptive Soft Contrastive Learning. 2022 26th International Conference on Pattern Recognition (ICPR). 25-08-2022
Kordopatis-Zilos G, Tzelepis C, Papadopoulos S, Kompatsiaris I and Patras I (2022). DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval. International Journal of Computer Vision, Springer Nature vol. 130 (10), 2385-2407. 05-08-2022
Apostolidis E, Balaouras G, Mezaris V and Patras I (2022). Summarizing Videos using Concentrated Attention and Considering the Uniqueness and Diversity of the Video Frames. Proceedings of the 2022 International Conference on Multimedia Retrieval. 27-06-2022
Zoumpourlis G and Patras I (2022). CovMix: Covariance Mixing Regularization for Motor Imagery Decoding. 2022 10th International Winter Conference on Brain-Computer Interface (BCI). 23-02-2022
Feng C, Tzimiropoulos G and Patras I (2022). SSR: An Efficient and Robust Framework for Learning with Unknown Label Noise. 01-01-2022
Tzelepis C, Oldfield J, Tzimiropoulos G and Patras I (2022). ContraCLIP: Interpretable GAN generation driven by pairs of contrasting sentences. CoRR vol. abs/2206.02104 01-01-2022
Patras I (2022). Video Summarization in the Deep Learning Era: Current Landscape and Future Directions., Editors: Kankanhalli MS, Liu J and Wong Y. 01-01-2022
Kordopatis-Zilos G, Tzelepis C, Papadopoulos S, Kompatsiaris I and Patras I (2022). DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval. Int. J. Comput. Vis. vol. 130, 2385-2407. 01-01-2022
Foteinopoulou NM and Patras I (2022). Learning from Label Relationships in Human Affect., Editors: Magalhães J, Bimbo AD, Satoh S, Sebe N, Alameda-Pineda X, Jin Q, Oria V and Toni L. 01-01-2022
2021
Apostolidis E, Balaouras G, Mezaris V and Patras I (2021). Combining Global and Local Attention with Positional Encoding for Video Summarization. 2021 IEEE International Symposium on Multimedia (ISM). 01-12-2021
Feng C, Tzimiropoulos G and Patras I (2021). SSR: An Efficient and Robust Framework for Learning with Unknown Label Noise. 22-11-2021
Apostolidis E, Adamantidou E, Metsai AI, Mezaris V and Patras I (2021). Video Summarization Using Deep Neural Networks: A Survey. Proceedings of the IEEE, Institute of Electrical and Electronics Engineers (IEEE) vol. 109 (11), 1838-1863. 01-11-2021
Tzelepis C, Tzimiropoulos G and Patras I (2021). WarpedGANSpace: Finding non-linear RBF paths in GAN latent space. 2021 IEEE/CVF International Conference on Computer Vision (ICCV). 17-10-2021
Foteinopoulou NM, TZELEPIS C and Patras I (2021). Estimating continuous affect with label uncertainty. 2021 9th International Conference on Affective Computing and Intelligent Interaction (ACII) 28 Sep 2021 - 1 Oct 2021. 01-10-2021
Zoumpourlis G and Patras I (2021). Pairwise Ranking Network for Affect Recognition. 9th International Conference on Affective Computing and Intelligent Interaction (ACII 2021). 01-09-2021
Xie T-T, Tzelepis C, Fu F and Patras I (2021). Few-Shot Action Localization without Knowing Boundaries. Proceedings of the 2021 International Conference on Multimedia Retrieval. 24-08-2021
Apostolidis E, Adamantidou E, Mezaris V and Patras I (2021). Combining Adversarial and Reinforcement Learning for Video Thumbnail Selection. Proceedings of the 2021 International Conference on Multimedia Retrieval. 24-08-2021
Batziou E, Alvanitopoulos P, Ioannidis K, Patras I, Vrochidis S and Kompatsiaris I (2021). Cycle-Consistent Adversarial Networks and Fast Adaptive Bi-dimensional Empirical Mode Decomposition for Style Transfer. 2020 25th International Conference on Pattern Recognition (ICPR). 15-01-2021
(2021). MultiMedia Modeling - 27th International Conference, MMM 2021, Prague, Czech Republic, June 22-24, 2021, Proceedings, Part I., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
(2021). MultiMedia Modeling - 27th International Conference, MMM 2021, Prague, Czech Republic, June 22-24, 2021, Proceedings, Part II., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Nefkens M and Hürst W (2021). The MovieWall: A New Interface for Browsing Large Video Collections., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Nguyen M-D, Binh NT and Gurrin C (2021). Graph-Based Indexing and Retrieval of Lifelog Data., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Veselý P, Mejzlík F and Lokoc J (2021). SOMHunter V2 at Video Browser Showdown 2021., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Sun W, Xu J and Yang G (2021). Fine-Grained Generation for Zero-Shot Learning., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Smeaton AF, Krishnamurthy NG and Suryanarayana AH (2021). Keystroke Dynamics as Part of Lifelogging., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Ressmann A and Schoeffmann K (2021). IVOS - The ITEC Interactive Video Object Search System at VBS2021., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Pei D, Li A and Wang Y (2021). Group Activity Recognition by Exploiting Position Distribution and Appearance Relation., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Lu X and Zhang J (2021). DANet: Deformable Alignment Network for Video Inpainting., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Liu Y and Lu Y (2021). Multi-grained Fusion for Conditional Image Retrieval., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Liu S and Claypool M (2021). Game Input with Delay - A Model of the Time Distribution for Selecting a Moving Target with a Mouse., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Leibetseder A and Schoeffmann K (2021). Less is More - diveXplore 5.0 at VBS 2021., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Kraus M, Seldschopf P and Minker W (2021). Towards the Development of a Trustworthy Chatbot for Mental Health Applications., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Jiang S, Wang C and Huang C (2021). Image Registration Improved by Generative Adversarial Networks., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Gisolf F, Geradts ZJMH and Worring M (2021). Search and Explore Strategies for Interactive Analysis of Real-Life Image Collections with Unknown and Unique Categories., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Gao R, Huang Z and Liu S (2021). Multi-task Deep Learning for No-Reference Screen Content Image Quality Assessment., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Gajdusek P and Peska L (2021). SpotifyGraph: Visualisation of User's Preferences in Music., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Dobranský M and Skopal T (2021). On Fusion of Learned and Designed Features for Video Data Analytics., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Constantin MG, Stefan L-D and Ionescu B (2021). DeepFusion: Deep Ensembles for Domain Independent System Fusion., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Chu W-T and Huang P-S (2021). Thermal Face Recognition Based on Multi-scale Image Synthesis., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wang J, Li Y and Lu H (2021). Spatial Gradient Guided Learning and Semantic Relation Transfer for Facial Landmark Detection., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wang X, Li X and Wu S (2021). Graph Structure Reasoning Network for Face Alignment and Reconstruction., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wang H, Lian J and Xiong S (2021). Few-Shot Learning with Unlabeled Outlier Exposure., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Codina-Filbà J, Escalera S, Escudero J, Antens C, Buch-Cardona P and Farrús M (2021). Mobile eHealth Platform for Home Monitoring of Bipolar Disorder., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wang F, Luo L and Zhu E (2021). Two-Stage Real-Time Multi-object Tracking with Candidate Selection., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Shan X and Wen Y (2021). Gaussian Mixture Model Based Semi-supervised Sparse Representation for Face Recognition., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Xiao Z and Li D (2021). Generative Image Inpainting by Hybrid Contextual Attention Network., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Giannakeris P, Tsanousa A, Mavropoulos T, Meditskos G, Ioannidis K, Vrochidis S and Kompatsiaris I (2021). Fusion of Multimodal Sensor Data for Effective Human Action Recognition in the Service of Medical Platforms., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wei J, Yang X and Dong Y (2021). Time-Dependent Body Gesture Representation for Video Emotion Recognition., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wen Z and Feng A (2021). Deep Centralized Cross-modal Retrieval., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhang X, Du T and Zhang Z (2021). EEG Emotion Recognition Based on Channel Attention for E-Healthcare Applications., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhang X, Zhang Y and Zhang Z (2021). Multi-granularity Recurrent Attention Graph Neural Network for Few-Shot Learning., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhao Y and Guo J (2021). MusiCoder: A Universal Music-Acoustic Encoder Based on Transformer., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zheng M, Jia Y and Jiang H (2021). Fine-Grained Image-Text Retrieval via Complementary Feature Learning., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhu Z and Sun L (2021). Initialize with Mask: For More Efficient Federated Learning., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Chen X, Liu R, Song X and Han Y (2021). Locating Visual Explanations for Video Question Answering., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Chen L, Liang Y, Shi X, Zhou Y and Wu C (2021). Crossed-Time Delay Neural Network for Speaker Recognition., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Feng D, Zhang Y, Zhu C, Zhang H and Song L (2021). DVRCNN: Dark Video Post-processing Method for VVC., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Lee Y, Choi H, Park S and Ro YM (2021). IVIST: Interactive Video Search Tool in VBS 2021., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Liu Z-Y, Liu J-W, Zuo X and Li W (2021). Learning 3D-Craft Generation with Predictive Action Neural Network., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Feng C, Li D and Zheng J (2021). Improving Supervised Cross-modal Retrieval with Semantic Graph Embedding., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Lu Y, Wang Y, Xin Y, Wu D and Lu G (2021). Unsupervised Gaze: Exploration of Geometric Constraints for 3D Gaze Estimation., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Nguyen D-H, Tan LTN, Nguyen M-T, Nguyen T-B and Dao M-S (2021). MNR-Air: An Economic and Dynamic Crowdsourcing Mechanism to Collect Personal Lifelog and Surrounding Environment Dataset. A Case Study in Ho Chi Minh City, Vietnam., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Park S, Kim JU, Kim Y, Moon S-K and Ro YM (2021). Robust Multispectral Pedestrian Detection via Uncertainty-Aware Cross-Modal Learning., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Qiu Y, Chen J, Wang X and Jang K (2021). Illuminate Low-Light Image via Coarse-to-fine Multi-level Network., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Qiu T, Ni B, Liu Z and Chen X (2021). Fast Optimal Transport Artistic Style Transfer., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Amirpour H, Çetinkaya E, Timmerer C and Ghanbari M (2021). Towards Optimal Multirate Encoding for HTTP Adaptive Streaming., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Rossetto L, Baumgartner M, Ashena N, Ruosch F, Pernisch R, Heitz L and Bernstein A (2021). VideoGraph - Towards Using Knowledge Graphs for Interactive Video Retrieval., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Song W, Dai S, Huang D, Song J and Liotta A (2021). Median-Pooling Grad-CAM: An Efficient Inference Level Visual Explanation for CNN Networks in Remote Sensing Image Classification., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wang F, Ding Y, Liang H and Wen J (2021). Discriminative and Selective Pseudo-Labeling for Domain Adaptation., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wang T, Feng N, Yu J, He Y, Hu Y and Chen Y-PP (2021). Shot Boundary Detection Through Multi-stage Deep Convolution Neural Network., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wu Y, Hu R, Wang X, Hu C and Li G (2021). Stacked Sparse Autoencoder for Audio Object Coding., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wu J, Nguyen PA, Ma Z and Ngo C-W (2021). SQL-Like Interpretable Interactive Video Search., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Wu S, Wang Z, Cai Y and Wang R (2021). Fast Mode Decision Algorithm for Intra Encoding of the 3rd Generation Audio Video Coding Standard., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Hu M, Hu R, Wang X and Sheng R (2021). Unsupervised Temporal Attention Summarization Model for User Created Videos., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Li X, Wang W, Li Q and Guo L (2021). Unsupervised Multi-shot Person Re-identification via Dynamic Bi-directional Normalized Sparse Representation., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Li F, Wang W, Liu Z, Wang H, Yan C and Wu B (2021). Frame Aggregation and Multi-modal Fusion Framework for Video-Based Person Recognition., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Gu Q, Luo Z, Zhao W and Zhu Y (2021). MM-Net: Learning Adaptive Meta-metric for Few-Shot Biometric Recognition., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Apostolakis A, Girtsou S, Kontoes C, Papoutsis I and Tsoutsos M (2021). Implementation of a Random Forest Classifier to Examine Wildfire Predictive Modelling in Greece Using Diachronically Collected Fire Occurrence and Fire Mapping Data., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Yebda T, Benois-Pineau J, Pech M, Amieva H, Middleton L and Bergelt M (2021). Multimodal Sensor Data Analysis for Detection of Risk Situations of Fragile People in @home Environments., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Heller S, Gasser R, Illi C, Pasquinelli M, Sauter L, Spiess F and Schuldt H (2021). Towards Explainable Interactive Multi-modal Video Retrieval with Vitrivr., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Hezel N, Schall K, Jung K and Barthel KU (2021). Video Search with Sub-Image Keyword Transfer Using Existing Image Archives., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Huang C, Chan S, Bai C, Ding W and Zhang J (2021). Tropical Cyclones Tracking Based on Satellite Cloud Images: Database and Comprehensive Study., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Lokoc J, Bátoryová J, Smrz D and Dobranský M (2021). Video Search with Collage Queries., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Umemura K, Kastner MA, Ide I, Kawanishi Y, Hirayama T, Doman K, Deguchi D and Murase H (2021). Tell as You Imagine: Sentence Imageability-Aware Image Captioning., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Yang S, Xue H, Ling J, Song L and Xie R (2021). Deep Face Swapping via Cross-Identity Adversarial Training., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Yang K, Lu J, Hu S and Chen X (2021). Deep 3D Modeling of Human Bodies from Freehand Sketching., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhang F, Li M, Zhai G and Liu Y (2021). Multi-branch and Multi-scale Attention Learning for Fine-Grained Visual Categorization., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Khan OS, Jónsson BÞ, Larsen MD, Poulsen LAS, Koelma DC, Rudinac S, Worring M and Zahálka J (2021). Exquisitor at the Video Browser Showdown 2021: Relationships Between Semantic Classifiers., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhang Z, Ma J, Xu P and Wang W (2021). Dense Attention-Guided Network for Boundary-Aware Salient Object Detection., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Karisch C, Leibetseder A and Schoeffmann K (2021). NoShot Video Browser at VBS2021., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Garcia-Ceja E, Thambawita V, Hicks SA, Jha D, Jakobsen P, Hammer HL, Halvorsen P and Riegler MA (2021). HTAD: A Home-Tasks Activities Dataset with Wrist-Accelerometer and Audio Features., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Lu L, Lu Y and Wang S (2021). Learning Multi-level Interaction Relations and Feature Representations for Group Activity Recognition., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Long J and Lu H (2021). Multi-level Gate Feature Aggregation with Spatially Adaptive Batch-Instance Normalization for Semantic Image Synthesis., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Xue L, Yao W, Xia Y and Li X (2021). Deep Attributed Network Embedding with Community Information., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhang P, Ouyang D, Jiang C and Shao J (2021). Language Person Search with Pair-Based Weighting Loss., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhang C, Zhang W, Chen F, Cheng Y and Gao S (2021). Global Cognition and Local Perception Network for Blind Image Deblurring., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhang L, Zhang H, Zhu C, Guo S, Chen J and Wang L (2021). Fine-Grained Video Deblurring with Event Camera., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhang Y, Zhao H, Zhou F, Zhang Q, Shi Y and Liang L (2021). MSCANet: Adaptive Multi-scale Context Aggregation Network for Congested Crowd Counting., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zheng W, Yan L, Wang F-Y and Gou C (2021). Learning from the Negativity: Deep Negative Correlation Meta-Learning for Adversarial Image Classification., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Andreadis S, Moumtzidou A, Gkountakos K, Pantelidis N, Apostolidis K, Galanopoulos D, Gialampoukidis I, Vrochidis S, Mezaris V and Kompatsiaris I (2021). VERGE in VBS 2021., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Jha D, Ali S, Emanuelsen K, Hicks SA, Thambawita V, Garcia-Ceja E, Riegler MA, Lange TD, Schmidt PT, Johansen HD, Johansen D and Halvorsen P (2021). Kvasir-Instrument: Diagnostic and Therapeutic Tool Segmentation Dataset in Gastrointestinal Endoscopy., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhao H, She X, Wang S and Ma K (2021). Fast Discrete Matrix Factorization Hashing for Large-Scale Cross-Modal Retrieval., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Zhao S, Li X, Chen Z, Liu C and Peng C (2021). Res2-Unet: An Enhanced Network for Generalized Nuclear Segmentation in Pathological Images., Editors: Lokoc J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I. 01-01-2021
Tzelepis C and Patras I (2021). Uncertainty Propagation in Convolutional Neural Networks: Technical Report. CoRR vol. abs/2102.06064 01-01-2021
Lokoč J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S and Patras I (2021). Preface. 01-01-2021
Fu F, Xie T, Patras I and Jalali S (2021). Relationship-based Neural Baby Talk. CoRR vol. abs/2103.04846 01-01-2021
Oldfield J, Georgopoulos M, Panagakis Y, Nicolaou MA and Patras I (2021). Tensor Component Analysis for Interpreting the Latent Space of GANs. 01-01-2021
Apostolidis E, Adamantidou E, Metsai AI, Mezaris V and Patras I (2021). Video Summarization Using Deep Neural Networks: A Survey. Proc. IEEE vol. 109, 1838-1863. 01-01-2021
Oldfield J, Georgopoulos M, Panagakis Y, Nicolaou MA and Patras I (2021). Tensor Component Analysis for Interpreting the Latent Space of GANs. 01-01-2021
Bishay M, Palasek P, Priebe S and Patras I (2021). SchiNet: Automatic Estimation of Symptoms of Schizophrenia from Facial Behaviour Analysis. IEEE Trans. Affect. Comput. vol. 12, 949-961. 01-01-2021
Feng C, Tzimiropoulos G and Patras I (2021). S3: Supervised Self-supervised Learning under Label Noise. CoRR vol. abs/2111.11288 01-01-2021
Tzelepis C, Tzimiropoulos G and Patras I (2021). WarpedGANSpace: Finding non-linear RBF paths in GAN latent space. CoRR vol. abs/2109.13357 01-01-2021
Xie T-T, Tzelepis C, Fu F and Patras I (2021). Few-Shot Action Localization without Knowing Boundaries., Editors: Cheng W-H, Kankanhalli MS, Wang M, Chu W-T, Liu J and Worring M. 01-01-2021
2020
Apostolidis E, Adamantidou E, Metsai A, Mezaris V and Patras I (2020). AC-SUM-GAN: Connecting Actor-Critic and Generative Adversarial Networks for Unsupervised Video Summarization. IEEE Transactions on Circuits and Systems for Video Technology, Institute of Electrical and Electronics Engineers 16-11-2020
Apostolidis E, Adamantidou E, Metsai AI, Mezaris V and Patras I (2020). Performance over Random: A Robust Evaluation Protocol for Video Summarization Methods. 12-10-2020
Apostolidis E, Adamantidou E, Metsai AI, Mezaris V and Patras I (2020). Performance over Random. Proceedings of the 28th ACM International Conference on Multimedia. 12-10-2020
Markatopoulou F, Ioannidou A, Tzelepis C, Mironidis T, Galanopoulos D, Arestis-Chartampilas S, Pittaras N, Avgerinakis K, Gkalelis N, Moumtzidou A, Vrochidis S, Mezaris V, Kompatsiaris I and Patras I (2020). ITI-CERTH participation to TRECVID 2015. 01-01-2020
Gkalelis N, Markatopoulou F, Moumtzidou A, Galanopoulos D, Avgerinakis K, Pittaras N, Vrochidis S, Mezaris V, Kompatsiaris I and Patras I (2020). ITI-CERTH participation to TRECVID 2014. 01-01-2020
Xie T-T, Tzelepis C and Patras I (2020). Temporal Action Localization with Variance-Aware Networks. CoRR vol. abs/2008.11254 01-01-2020
Xie T, Tzelepis C and Patras I (2020). Boundary Uncertainty in a Single-Stage Temporal Action Localization Network. CoRR vol. abs/2008.11170 01-01-2020
2019
Apostolidis E, Adamantidou E, Metsai A, Mezaris V and Patras I (2019). Unsupervised Video Summarization via Attention-Driven Adversarial Learning. 26th Int. Conf. on Multimedia Modeling (MMM2020) Daejeon, Korea 5 Jan 2020 - 8 Jan 2020. 24-12-2019
Kordopatis-Zilos G, Papadopoulos S, Patras I and Kompatsiaris I (2019). ViSiL: Fine-grained Spatio-Temporal Video Similarity Learning. 2019 IEEE/CVF International Conference on Computer Vision (ICCV). 02-11-2019
Kordopatis-Zilos G, Papadopoulos S, Patras I and Kompatsiaris I (2019). ViSiL: Fine-grained Spatio-Temporal Video Similarity Learning. International Conference on Computer Vision Seoul. Korea 27 Sep 2019 - 2 Nov 2019. 31-10-2019
Apostolidis E, Metsai AI, Adamantidou E, Mezaris V and Patras I (2019). A Stepwise, Label-based Approach for Improving the Adversarial Training in Unsupervised Video Summarization. the 1st International Workshop 21 Oct 2019. 21-10-2019
Apostolidis E, Apostolidis K, Patras I and Mezaris V (2019). Video Fragmentation and Reverse Search on the Web. Video Verification in the Fake News Era , Editors: Mezaris V, Nixon L, Papadopoulos S and Teyssou D. 53-90. 18-09-2019
MARKATOPOULOU F, Zampoglou M, Apostolidis E, Papadopoulos S, Mezaris V, Patras I and Kompatsiaris I (2019). Finding Semantically Related Videos in Closed Collections. Video Verification in the Fake News Era , Editors: Mezaris V, Nixon L, Papadopoulos S and Teyssou D. 127-159. 18-09-2019
Mercier G, MARKATOPOULOU F, Cozien R, Zampoglou M, Apostolidis E, Metsai A, Papadopoulos S, Mezaris V, Patras I and Kompatsiaris I (2019). Detecting Manipulations in Video. Video Verification in the Fake News Era , Editors: Mezaris V, Nixon L, Papadopoulos S and Teyssou D. 161-189. 18-09-2019
Kordopatis-Zilos G, Papadopoulos S, Patras I and Kompatsiaris I (2019). Finding Near-Duplicate Videos in Large-Scale Collections. Video Verification in the Fake News Era , Editors: Mezaris V, Nixon L, Papadopoulos S and Teyssou D. 91-126. 18-09-2019
Bishay M, Zoumpourlis G and Patras I (2019). TARN: Temporal Attentive Relation Network for Few-Shot and Zero-Shot Action Recognition. 30th British Machine Vision Conference Cardiff, UK 9 Sep 2019 - 12 Sep 2019. 09-09-2019
Mou W, Gunes H and Patras I (2019). Alone versus In-a-group. ACM Transactions on Multimedia Computing Communications and Applications, Association for Computing Machinery (ACM) vol. 15 (2), 1-23. 31-05-2019
Mou W, Gunes H and Patras I (2019). Your Fellows Matter: Affect Analysis across Subjects in Group Videos. 2019 14th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2019). 18-05-2019
Jang Y, Gunes H and Patras I (2019). Registration-free Face-SSD: Single shot analysis of smiles, facial attributes, and affect in the wild. Computer Vision and Image Understanding, Elsevier vol. 182, 17-29. 01-05-2019
BISHAY MAT, PATRAS I and PRIEBE S (2019). CAN AUTOMATIC FACIAL EXPRESSION ANALYSIS BE USED FOR TREATMENT OUTCOME ESTIMATION IN SCHIZOPHRENIA? IEEE International Conference on Acoustics, Speech and Signal Processing Brighton 12 May 2019 - 17 May 2019. 17-04-2019
Bishay M, PALASEK P, PRIEBE S and Patras I (2019). SchiNet: Automatic Estimation of Symptoms of Schizophrenia from Facial Behaviour Analysis. IEEE Transactions on Affective Computing 26-03-2019
Kordopatis-Zilos G, Papadopoulos S, Patras I and Kompatsiaris I (2019). FIVR: Fine-grained Incident Video Retrieval. IEEE Transactions on Multimedia, Institute of Electrical and Electronics Engineers vol. 21 (10), 2638-2652. 18-03-2019
Xie T, Yang X, Zhang T, Xu C and Patras I (2019). Exploring Feature Representation and Training Strategies in Temporal Action Localization. 2019 IEEE International Conference on Image Processing (ICIP). 25-01-2019
Zampoglou M, Markatopoulou F, Mercier G, Touska D, Apostolidis E, Papadopoulos S, Cozien R, Patras I, Mezaris V and Kompatsiaris I (2019). Detecting Tampered Videos with Multimedia Forensics and Deep Learning. 25th International Conference on MultiMedia Modeling Thessaloniki, Greece 8 Jan 2019 - 11 Jan 2019. 10-01-2019
Nixon L, Apostolidis E, Markatopoulou F, Patras I and Mezaris V (2019). Multimodal Video Annotation for Retrieval and Discovery of Newsworthy Video in a News Verification Scenario. 25th International Conference on MultiMedia Modeling Thessaloniki, Greece 8 Jan 2019 - 11 Jan 2019. 09-01-2019
Ahmadi A, Marras I and Patras I (2019). LikeNet: A Siamese motion estimation network trained in an unsupervised way. 01-01-2019
Kordopatis-Zilos G, Papadopoulos S, Patras I and Kompatsiaris I (2019). FIVR: Fine-Grained Incident Video Retrieval. IEEE Trans. Multim. vol. 21, 2638-2652. 01-01-2019
Mou W, Gunes H and Patras I (2019). Alone versus In-a-group: A Multi-modal Framework for Automatic Affect Recognition. ACM Trans. Multim. Comput. Commun. Appl. vol. 15, 47:1-47:1. 01-01-2019
Tao Y, Ling Z and Patras I (2019). Universal Foreground Segmentation Based on Deep Feature Fusion Network for Multi-Scene Videos. IEEE Access, Institute of Electrical and Electronics Engineers (IEEE) vol. 7, 158326-158337. 01-01-2019
Xie T, Yang X, Zhang T, Xu C and Patras I (2019). Exploring Feature Representation and Training strategies in Temporal Action Localization. CoRR vol. abs/1905.10608 01-01-2019
Jang Y, Gunes H and Patras I (2019). Registration-free Face-SSD: Single shot analysis of smiles, facial attributes, and affect in the wild. CoRR vol. abs/1902.04042 01-01-2019
Bishay M, Zoumpourlis G and Patras I (2019). TARN: Temporal Attentive Relation Network for Few-Shot and Zero-Shot Action Recognition. 01-01-2019
Markatopoulou F, Galanopoulos D, Tzelepis C, Mezaris V and Patras I (2019). Concept-Based and Event-Based Video Search in Large Video Collections. Big Data Analytics for Large-Scale Multimedia Search 31-60. 01-01-2019
Mou W, Gunes H and Patras I (2019). Your Fellows Matter: Affect Analysis across Subjects in Group Videos. 01-01-2019
2018
Andreadis S, Moumtzidou A, Galanopoulos D, Markatopoulou F, Apostolidis K, Mavropoulos T, Gialampoukidis I, Vrochidis S, Mezaris V, Kompatsiaris I and Patras I (2018). VERGE in VBS 2019. 11-12-2018
Miranda Correa JA, Abadi MK, Sebe N and Patras I (2018). AMIGOS: A Dataset for Affect, Personality and Mood Research on Individuals and Groups. IEEE Transactions on Affective Computing 30-11-2018
Correa JAM, Abadi MK, Sebe N and Patras I (2018). AMIGOS: A Dataset for Affect, Personality and Mood Research on Individuals and Groups. IEEE Transactions on Affective Computing, Institute of Electrical and Electronics Engineers vol. 12, 479-493. 30-11-2018
Mou W, Tzelepis C, Mezaris V, Gunes H and Patras I (2018). A deep generic to specific recognition model for group membership analysis using non-verbal cues. Image and Vision Computing 03-10-2018
Markatopoulou F, Mezaris V and Patras I (2018). Implicit and Explicit Concept Relations in Deep Neural Networks for Multi-Label Video/Image Annotation. IEEE Transactions on Circuits and Systems for Video Technology 16-06-2018
Vasilyev A, Hansard M, Mareschal I and Patras I (2018). A Model of Visual Search in the Presence of Age-Related Macular Degeneration. Proceedings of the AVA Christmas meeting. 01-05-2018
Miranda-Correa JA and Patras I (2018). A Multi-Task Cascaded Network for Prediction of Affect, Personality, Mood and Social Context Using EEG Signals. 2018 13th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2018). 01-05-2018
Moumtzidou A, Andreadis S, Markatopoulou F, Galanopoulos D, Gialampoukidis I, Vrochidis S, Mezaris V, Kompatsiaris I and Patras I (2018). VERGE in VBS 2018. 01-01-2018
Palasek P and Patras I (2018). Semi-supervised Fisher vector network. CoRR vol. abs/1801.04438 01-01-2018
Batziou E, Michail E, Avgerinakis K, Vrochidis S, Patras I and Kompatsiaris I (2018). Visual and audio analysis of movies video for emotion detection @ Emotional Impact of Movies task MediaEval 2018. 01-01-2018
Apostolidis K, Markatopoulou F, Tzelepis C, Mezaris V and Patras I (2018). Multimedia Processing Essentials. Personal Multimedia Preservation 47-98. 01-01-2018
Tzelepis C, Mezaris V and Patras I (2018). Linear Maximum Margin Classifier for Learning from Uncertain Data. IEEE Trans. Pattern Anal. Mach. Intell. vol. 40, 2948-2962. 01-01-2018
2017
MARRAS I, PALASEK P and PATRAS I (2017). Deep globally constrained MRFs for Human Pose Estimation. IEEE International Conference on Computer Vision (ICCV) Venice, Italy 22 Oct 2017 - 29 Oct 2017. 25-12-2017
TZELEPIS C, PATRAS and MEZARIS V (2017). Linear Maximum Margin Classifier for Learning from Uncertain Data. IEEE Transactions on Pattern Analysis and Machine Intelligence, Institute of Electrical and Electronics Engineers 10-11-2017
KORDOPATIS-ZILOS G, Papadopoulos S, PATRAS I and Kompatsiaris I (2017). Near-Duplicate Video Retrieval with Deep Metric Learning. Web-scale Vision and Social Media (VSM), ICCV 2017. 23-10-2017
Jang Y, Gunes H and Patras I (2017). SmileNet: Registration-Free Smiling Face Detection in the Wild. 2017 IEEE International Conference on Computer Vision Workshops (ICCVW). 01-10-2017
Tao Y, Palasek P, Ling Z and Parras I (2017). Background Modelling Based on Generative Unet. 2017 14th IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS). 01-08-2017
Palasek P and Patras I (2017). Discriminative convolutional Fisher vector network for action
recognition. 19-07-2017
Bishay M and Patras I (2017). Fusing Multilabel Deep Networks for Facial Action Unit Detection. Automatic Face & Gesture Recognition (FG 2017). 28-06-2017
Markatopoulou F, Galanopoulos D, Mezaris V and Patras I (2017). Query and Keyframe Representations for Ad-hoc Video Search. Proceedings of the 2017 ACM on International Conference on Multimedia Retrieval. 06-06-2017
Collyda C, Apostolidis E, Pournaras A, Markatopoulou F, Mezaris V and Patras I (2017). VideoAnalysis4ALL. Proceedings of the 2017 ACM on International Conference on Multimedia Retrieval. 06-06-2017
Galanopoulos D, Markatopoulou F, Mezaris V and Patras I (2017). Concept Language Models and Event-based Concept Number Selection for Zero-example Event Detection. Proceedings of the 2017 ACM on International Conference on Multimedia Retrieval. 06-06-2017
Marras I, Palasek P and Patras I (2017). Deep Refinement Convolutional Networks for Human Pose Estimation. 2017 12th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2017). 01-05-2017
Mou W, Tzelepis C, Mezaris V, Gunes H and Patras I (2017). Generic to Specific Recognition Models for Membership Analysis in Group Videos. 2017 12th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2017). 01-05-2017
KORDOPATIS-ZILOS G, Papadopoulos S, Patras I and Kompatsiaris Y (2017). Near-Duplicate Video Retrieval by Aggregating Intermediate CNN Layers. International Conference on Multimedia Modeling. 01-01-2017
Markatopoulou F, Moumtzidou A, Galanopoulos D, Avgerinakis K, Andreadis S, Gialampoukidis I, Tachos S, Vrochidis S, Mezaris V, Kompatsiaris I and Patras I (2017). ITI-CERTH participation in TRECVID 2017. 01-01-2017
2016
Pittaras N, Markatopoulou F, Mezaris V and Patras I (2016). Comparison of Fine-Tuning and Extension Strategies for Deep Convolutional Neural Networks. 31-12-2016
Moumtzidou A, Mironidis T, Markatopoulou F, Andreadis S, Gialampoukidis I, Galanopoulos D, Ioannidou A, Vrochidis S, Mezaris V, Kompatsiaris I and Patras I (2016). VERGE in VBS 2017. 31-12-2016
Mou W, Gunes H and Patras I (2016). Automatic Recognition of Emotions and Membership in Group Videos. 2016 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW). 16-12-2016
Mou W, Gunes H and Patras I (2016). Alone versus In-a-group. Proceedings of the 24th ACM international conference on Multimedia. 01-10-2016
Markatopoulou F, Mezaris V and Patras I (2016). Deep Multi-task Learning with Label Correlation Constraint for Video Concept Detection. Proceedings of the 24th ACM international conference on Multimedia. 01-10-2016
AHMADI A and Patras I (2016). UNSUPERVISED CONVOLUTIONAL NEURAL NETWORKS FOR MOTION ESTIMATION. Image Processing (ICIP), 2016 IEEE International Conference on Phoenix, Arizona, USA 25 Sep 2016 - 28 Sep 2016. 19-08-2016
Stefic D and Patras I (2016). Action recognition using saliency learned from recorded human gaze. Image and Vision Computing, Elsevier vol. 52, 195-205. 01-08-2016
Palasek P and Patras I (2016). Action Recognition Using Convolutional Restricted Boltzmann Machines. Proceedings of the 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction. 06-06-2016
Wang L, Patras I, Zhang J, Mori G and Davis L (2016). Special Issue on Individual and Group Activities in Video Event Analysis. Computer Vision and Image Understanding, Elsevier vol. 144, 1-2. 01-03-2016
Vrochidis S, Patras I and Kompatsiaris I (2016). Gaze movement-driven random forests for query clustering in automatic video annotation. Multimedia Tools and Applications, Springer Nature vol. 76 (2), 2861-2889. 22-01-2016
Tzelepis C, Mezaris V and Patras I (2016). Video Event Detection Using Kernel Support Vector Machine with Isotropic Gaussian Sample Uncertainty (KSVM-iGSU). 01-01-2016
Markatopoulou F, Mezaris V and Patras I (2016). Ordering of Visual Descriptors in a Classifier Cascade Towards Improved Video Concept Detection. 01-01-2016
Moumtzidou A, Mironidis T, Apostolidis E, Markatopoulou F, Ioannidou A, Gialampoukidis I, Avgerinakis K, Vrochidis S, Mezaris V, Kompatsiaris I and Patras I (2016). VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval. 01-01-2016
Ahmadi A and Patras I (2016). Unsupervised Convolutional Neural Networks for Motion Estimation. 2016 IEEE International Conference on Image Processing (ICIP). 01-01-2016
Markatopoulou F, Mezaris V and Patras I (2016). Online Multi-Task Learning for Semantic Concept Detection in Video. 2016 IEEE International Conference on Image Processing (ICIP). 01-01-2016
Tzelepis C, Mavridaki E, Mezaris V and Patras I (2016). Video Aesthetic Quality Assessment Using Kernel Support Vector Machine with Isotropic Gaussian Sample Uncertainty (KSVM-IGSU). 2016 IEEE International Conference on Image Processing (ICIP). 01-01-2016
Kuranuki Y and Patras I (2016). Minimal Filtered Channel Features for Pedestrian Detection. 2016 23rd International Conference on Pattern Recognition (ICPR). 01-01-2016
Tzelepis C, Galanopoulos D, Mezaris V and Patras I (2016). Learning to detect video events from zero or very few video examples. Image Vis. Comput. vol. 53, 35-44. 01-01-2016
Markatopoulou F, Galanopoulos D, Patras I and Mezaris V (2016). ITI-CERTH in TRECVID 2016 Ad-hoc video search (AVS). 01-01-2016
Markatopoulou F, Moumtzidou A, Galanopoulos D, Mironidis T, Kaltsa V, Ioannidou A, Symeonidis S, Avgerinakis K, Andreadis S, Gialampoukidis I, Vrochidis S, Briassouli A, Mezaris V, Kompatsiaris I and Patras I (2016). ITI-CERTH participation in TRECVID 2016. 01-01-2016
Kotsia I, Zafeiriou S, Goudelis G, Patras I and Karpouzis K (2016). Multimodal Sensing in Affective Gaming. Emotion in Games 59-84. 01-01-2016
2015
Tzelepis C, Galanopoulos D, Mezaris V and Patras I (2015). Learning to detect video events from zero or very few video examples. Image and Vision Computing vol. 53, 35-44. 09-10-2015
Abadi MK, Subramanian R, Kia SM, Avesani P, Patras I and Sebe N (2015). DECAF: MEG-Based Multimodal Database for Decoding Affective Physiological Responses. IEEE Transactions on Affective Computing, Institute of Electrical and Electronics Engineers (IEEE) vol. 6 (3), 209-222. 01-09-2015
Kalpakis G, Tsikrika¹ T, Markatopoulou F, Pittaras N, Vrochidis S, Mezaris V, Parras I and Kompatsiaris I (2015). Concept Detection in Multimedia Web Resources about Home Made Explosives. 2015 10th International Conference on Availability, Reliability and Security. 01-08-2015
Markatopoulou F, Mezaris V, Pittaras N and Patras I (2015). Local Features and a Two-Layer Stacking Architecture for Semantic Concept Detection in Video. IEEE Transactions on Emerging Topics in Computing, Institute of Electrical and Electronics Engineers (IEEE) vol. 3 (2), 193-204. 04-06-2015
Yang H, Zou C and Patras I (2015). Cascade of forests for face alignment. IET Computer Vision, Institution of Engineering and Technology (IET) vol. 9 (3), 321-330. 01-06-2015
Palasek P, Yang H, Xu Z, Hajimirza N, Izquierdo E and Patras I (2015). A Flexible Calibration Method of Multiple Kinects for 3D Human Reconstruction. 2015 IEEE International Conference on Multimedia & Expo Workshops (ICMEW). 01-06-2015
Yang H, Jia X, Patras I and Chan K-P (2015). Random Subspace Supervised Descent Method for Regression Problems in Computer Vision. IEEE Signal Processing Letters, Institute of Electrical and Electronics Engineers (IEEE) vol. 22 (10), 1816-1820. 01-06-2015
Yang H and Patras I (2015). Mirror, Mirror on the Wall, Tell me, is the Error Small? 2015 IEEE Conference on Computer Vision and Pattern Recognition (CVPR). 01-06-2015
Abadi MK, Correa JAM, Wache J, Yang H, Patras I and Sebe N (2015). Inference of Personality Traits and Affect Schedule by Analysis of Spontaneous Reactions to Affective Videos. 2015 11th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition (FG). 01-05-2015
Yang H, He X, Jia X and Patras I (2015). Robust Face Alignment Under Occlusion via Regional Predictive Power Estimation. IEEE Transactions on Image Processing, Institute of Electrical and Electronics Engineers (IEEE) vol. 24 (8), 2393-2403. 10-04-2015
Yang H and Patras I (2015). Privileged Information-Based Conditional Structured Output Regression Forest for Facial Point Detection. IEEE Transactions on Circuits and Systems for Video Technology, Institute of Electrical and Electronics Engineers (IEEE) vol. 25 (9), 1507-1520. 09-01-2015
Yang H, Mou W, Zhang Y, Patras I, Gunes H and Robinson P (2015). Face Alignment Assisted by Head Pose Estimation. 01-01-2015
Moumtzidou A, Avgerinakis K, Apostolidis E, Markatopoulou F, Apostolidis K, Mironidis T, Vrochidis S, Mezaris V, Kompatsiaris I and Patras I (2015). VERGE: A Multimodal Interactive Video Search Engine. 01-01-2015
Markatopoulou F, Pittaras N, Papadopoulou O, Mezaris V and Patras I (2015). A Study on the Use of a Binary Local Descriptor and Color Extensions of Local Descriptors for Video Concept Detection. 01-01-2015
Yang H and Patras I (2015). Mirror, mirror on the wall, tell me, is the error small? CoRR vol. abs/1501.05152 01-01-2015
Markatopoulou F, Mezaris V and Patras I (2015). Cascade of Classifiers Based on Binary, Non-Binary and Deep Convolutional Network Descriptors for Video Concept Detection. 2015 IEEE International Conference on Image Processing (ICIP). 01-01-2015
Chen M, Han J, Guo L, Wang J and Patras I (2015). Identifying Valence and Arousal Levels via Connectivity between EEG Channels. 2015 International Conference on Affective Computing and Intelligent Interaction (ACII). 01-01-2015
Yang H, Mou W, Zhang Y, Patras I, Gunes H and Robinson P (2015). Face Alignment Assisted by Head Pose Estimation., Editors: Xie X, Jones MW and Tam GKL. 01-01-2015
Patras MV, BǍnacu CS, Popescu AM and Patraş I (2015). The effect of limiting the right of appeal on the quality of the public procurement management system: Case study of Romania. 01-01-2015
Abadi MK, Correa JAM, Wache J, Yang H, Patras I, Sebe N and IEEE (2015). Inference of Personality Traits and Affect Schedule by Analysis of Spontaneous Reactions to Affective Videos. 01-01-2015
Markatopoulou F, Loannidou A, Tzelepis C, Mironidis T, Galanopoulos D, Arestis-Chartampilas S, Ras NP, Avgerinakis K, Gkalelis N, Moumtzidou A, Vrochidis S, Mezaris V, Kompatsiaris L and Patras L (2015). ITI-CERTH participation to TRECVID 2015. 01-01-2015
Gu L and Kanade T (2015). Face Alignment. Encyclopedia of Biometrics 435-439. 01-01-2015
2014
Yang H and Patras I (2014). Fine-Tuning Regression Forests Votes for Object Alignment in the Wild. IEEE Transactions on Image Processing, Institute of Electrical and Electronics Engineers (IEEE) vol. 24 (2), 619-631. 18-12-2014
Kaymak S and Patras I (2014). Multimodal random forest based tensor regression. IET Computer Vision, Institution of Engineering and Technology (IET) vol. 8 (6), 650-657. 01-12-2014
Stefic D and Patras I (2014). Learning Visual Saliency Using Topographic Independent Component Analysis. 2014 IEEE International Conference on Image Processing (ICIP). 01-10-2014
Burelli P, Triantafyllidis G and Patras I (2014). Non-Invasive Player Experience Estimation from Body Motion and Game Context. 2014 IEEE Conference on Computational Intelligence and Games. 01-08-2014
Stefic D and Patras I (2014). Learning visual saliency using topographic independent component analysis. 28-01-2014
Gkalelis N, Markatopoulou F, Moumtzidou A, Galanopoulos D, Avgerinakis K, Pittaras N, Vrochidis S, Mezaris V, Kompatsiaris I and Patras I (2014). ITI-CERTH participation to TRECVID 2014. 01-01-2014
Yang H, Zou C and Patras I (2014). Face sketch landmarks localization in the wild. IEEE Signal Processing Letters vol. 21 (11), 1321-1325. 01-01-2014
Jia X, Yang H, Chan K-P and Patras I (2014). Structured Semi-supervised Forest for Facial Landmarks Localization with Face Mask Reasoning. Proceedings of the British Machine Vision Conference 2014. 01-01-2014
2013
Yang H and Patras I (2013). Sieving Regression Forest Votes for Facial Feature Detection in the Wild. 01-12-2013
G VKB and Patras I (2013). Supervised Dictionary Learning for Action Localization. 2013 10th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition (FG). 01-04-2013
Koelstra S and Patras I (2013). Fusion of facial expressions and EEG for implicit affective tagging. IMAGE AND VISION COMPUTING vol. 31 (2), 164-174. 01-01-2013
Yang H and Patras I (2013). Privileged information-based Conditional Regression Forests for Facial Feature Detection. 01-01-2013
Kaymak S and Patras I (2013). Exploiting Depth and Intensity Information for Head Pose Estimation with Random Forests and Tensor Models. 01-01-2013
Rudovic O, Pantic M and Patras IY (2013). Coupled Gaussian Processes for Pose-Invariant Facial Expression Recognition. IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE vol. 35 (6), 1357-1369. 01-01-2013
Nikolopoulos S, Zafeiriou S, Patras I and Kompatsiaris I (2013). High order pLSA for indexing tagged images. SIGNAL PROCESSING vol. 93 (8), 2212-2228. 01-01-2013
Kotsia I and Patras I (2013). Exploring the Similarities of Neighboring Spatiotemporal Points for Action Pair Matching. 01-01-2013
Guo W, Hu W, Boulgouris NV and Patras I (2013). Semi-Supervised Visual Recognition With Constrained Graph Regularized Non Negative Matrix Factorization. 2013 IEEE International Conference on Image Processing. 01-01-2013
2012
Kotsia I, Guo W and Patras I (2012). Higher rank Support Tensor Machines for visual recognition. Pattern Recognition, Elsevier vol. 45 (12), 4192-4203. 01-12-2012
Oveisi F, Oveisi S, Efranian A and Patras I (2012). Nonlinear Independent Component Analysis for EEG-Based Brain-Computer Interface Systems. Independent Component Analysis for Audio and Biosignal Applications 10-10-2012
G VKB and Patras I (2012). Learning Codebook Weights for Action Detection. 2012 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops. 01-06-2012
Vrochidis S, Patras I and Kompatsiaris I (2012). EXPLOITING GAZE MOVEMENTS FOR AUTOMATIC VIDEO ANNOTATION. 2012 13th International Workshop on Image Analysis for Multimedia Interactive Services. 01-05-2012
Kotsia I, Patras I and Fotopoulos S (2012). AFFECTIVE GAMING: BEYOND USING SENSORS. 2012 5th International Symposium on Communications, Control and Signal Processing. 01-05-2012
Guo W, Kotsia I and Patras I (2012). Tensor learning for regression. IEEE Trans Image Process vol. 21 (2), 816-827. 01-02-2012
Kumar BGV, Kotsia I and Patras I (2012). Max-margin Non-negative Matrix Factorization. IMAGE AND VISION COMPUTING vol. 30 (4-5), 279-291. 01-01-2012
Oveisi F, Oveisi S, Efranian A and Patras I (2012). Tree-Structured Feature Extraction Using Mutual Information. IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS vol. 23 (1), 127-137. 01-01-2012
Chatzilari E, Nikolopoulos S, Patras I and Kompatsiaris I (2012). Leveraging social media for scalable object detection. PATTERN RECOGNITION vol. 45 (8), 2962-2979. 01-01-2012
Yang H and Patras I (2012). Face Parts Localization Using Structured-output Regression Forests. ACCV 2012. 01-01-2012
Yang H, Liu X and Patras I (2012). A Simple and Effective Extrinsic Calibration Method of a Camera and a Single Line Scanning Lidar. ICPR 2012. 01-01-2012
Yang H, Zhang Y, Liu X and Patras I (2012). Coupled 3D Tracking and Pose Optimization of Rigid Objects Using Particle Filter. ICPR 2012. 01-01-2012
Koelstra S, Muhl C, Soleymani M, Lee J-S, Yazdani A, Ebrahimi T, Pun T, Nijholt A and Patras IY (2012). DEAP: A Database for Emotion Analysis Using Physiological Signals. IEEE TRANSACTIONS ON AFFECTIVE COMPUTING vol. 3 (1), 18-31. 01-01-2012
Nikolopoulos S, Papadopoulos GT, Kompatsiaris I and Patras I (2012). Image Interpretation by Combining Ontologies and Bayesian Networks. 01-01-2012
2011
Nikolopoulos S, Papadopoulos GT, Kompatsiaris I and Patras I (2011). Evidence-driven image interpretation by combining implicit and explicit knowledge in a Bayesian network. IEEE Trans Syst Man Cybern B Cybern vol. 41 (5), 1366-1381. 01-10-2011
Vrochidis S, Patras I and Kompatsiaris I (2011). An eye-tracking-based approach to facilitate interactive video search. Proceedings of the 1st ACM International Conference on Multimedia Retrieval. 18-04-2011
Oikonomopoulos A, Patras I and Pantic M (2011). Spatiotemporal localization and categorization of human actions in unsegmented image sequences. IEEE Transactions on Image Processing vol. 20 (4), 1126-1140. 01-04-2011
Soleymani M, Koelstra S, Patras I and Pun T (2011). Continuous Emotion Detection in Response to Music Videos. Face and Gesture 2011. 01-03-2011
Vrochidis S, Kompatsiaris I and Patras I (2011). Utilizing Implicit User Feedback to Improve Interactive Video Retrieval. Advances in Multimedia, Hindawi vol. 2011 (1), 1-18. 01-01-2011
Chatzilari E, Nikolopoulos S, Patras I and Kompatsiaris I (2011). Enhancing Computer Vision Using the Collective Intelligence of Social Media. New Directions in Web Data Management 1 235-271. 01-01-2011
Kumar VBG, Patras I and Kotsia I (2011). Max-Margin Semi-NMF. Procedings of the British Machine Vision Conference 2011. 01-01-2011
Nikolopoulos S, Giannakidou E, Kompatsiaris I, Patras I and Vakali A (2011). Combining Multi-modal Features for Social Media Analysis. Social Media Modeling and Computing 71-96. 01-01-2011
Moumtzidou A, Sidiropoulos P, Vrochidis S, Gkalelis N, Nikolopoulos S, Mezaris V, Kompatsiaris I and Patras I (2011). ITI-CERTH participation to TRECVID 2011. 01-01-2011
Guo W, Kotsia I and Patras I (2011). Higher order Support tensor regression for head pose estimation. 01-01-2011
2010
Koelstra S, Pantic M and Patras I (2010). A Dynamic Texture-Based Approach to Recognition of Facial Actions and Their Temporal Models. IEEE Transactions on Pattern Analysis and Machine Intelligence vol. 32 (11), 1940-1954. 01-11-2010
Oikonomopoulos A, Patras I and Pantic M (2010). Discriminative space-time voting for joint recognition and localization of actions. Proceedings of the 2nd international workshop on Social signal processing. 29-10-2010
Passino G, Patras I and Izquierdo E (2010). Aspect coherence for graph-based semantic image labelling. Computer Vision, IET, IEEE vol. 4, 183-194. 01-09-2010
Patras I and Hancock ER (2010). Coupled Prediction Classification for Robust Visual Tracking. IEEE Transactions on Pattern Analysis and Machine Intelligence vol. 32 (9), 1553-1567. 01-09-2010
Passino G, Patras I and Izquierdo E (2010). Pyramidal Model for Image Semantic Segmentation. ICPR 2010 Istanbul, Turkey 23 Aug 2010 - 26 Aug 2010. 23-08-2010
Kotsia I and Patras I (2010). Multiplicative Update Rules for Multilinear Support Tensor Machines. 2010 20th International Conference on Pattern Recognition. 01-08-2010
Rudovic O, Patras I and Pantic M (2010). Regression-Based Multi-view Facial Expression Recognition. 2010 20th International Conference on Pattern Recognition. 01-08-2010
Kotsia I and Patras I (2010). Relative Margin Support Tensor Machines for gait and action recognition. Proceedings of the ACM International Conference on Image and Video Retrieval. 05-07-2010
Vrochidis S, Kompatsiaris I and Patras I (2010). Optimizing visual search with implicit user feedback in interactive video retrieval. Proceedings of the ACM International Conference on Image and Video Retrieval. 05-07-2010
Ognjen R, Ioannis P and Maja P (2010). Facial Expression Invariant Head Pose Normalization using Gaussian Process Regression. 2010 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Workshops. 01-06-2010
Rudovic O, Patras I and Pantic M (2010). Coupled Gaussian Process Regression for Pose-Invariant Facial Expression Recognition., Editors: Daniilidis K, Maragos P and Paragios N. 01-01-2010
Koelstra S, Yazdani A, Soleymani M, Muhl C, Lee J-S, Nijholt A, Pun T, Ebrahimi T and Patras I (2010). Single Trial Classification of EEG and Peripheral Physiological Signals for Recognition of Emotions Induced by Music Videos. 01-01-2010
Vrochidis S, Kompatsiaris I and Patras I (2010). Exploiting implicit user feedback in interactive video retrieval. 01-01-2010
Guo W and Patras I (2010). Learning output-kernel-dependent regression for human pose estimation. 01-01-2010
Kumar.B.G V and Patras I (2010). A discriminative voting scheme for object detection using hough forests. 01-01-2010
Koelstra S, Pantic M and Patras I (2010). A Dynamic Texture-Based Approach to Recognition of Facial Actions and Their Temporal Models. IEEE Transactions on Pattern Analysis and Machine Intelligence, IEEE Computer Society vol. 32, 1940-1954-1940-1954. 01-01-2010
2009
Oikonomopoulos A, Pantic M and Patras I (2009). Sparse B-spline polynomial descriptors for human activity recognition. IMAGE VISION COMPUT vol. 27 (12), 1814-1825. 01-11-2009
Passino G, Patras I and Izquierdo E (2009). Latent Semantics Local Distribution for CRF-based Image Semantic Segmentation., Editors: Cavallaro A, Prince SJD and Alexander D. BMVC 2009 London, England 7 Sep 2009 - 10 Sep 2009. 01-09-2009
Koelstra S, Mühl C and Patras I (2009). EEG analysis for implicit tagging of video data. 2009 3rd International Conference on Affective Computing and Intelligent Interaction and Workshops. 01-09-2009
Guo W and Patras I (2009). Discriminative 3D Human Pose Estimation from Monocular Images via Topological Preserving Hierarchical Affinity Clustering. 2009 IEEE 12th International Conference on Computer Vision Workshops, ICCV Workshops. 01-09-2009
Oikonomopoulos A, Patras I and Pantic M (2009). An implicit spatiotemporal shape model for human activity localization and recognition. 2009 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops. 01-06-2009
Passino G, Piatrik T, Patras I and Izquierdo E (2009). A Multimedia Content Semantics Extraction Framework for Enhanced Social Interaction., Editors: Donoso V, Geerts D, Cesar P and De Grooff D. EuroITV 2009 Leuven, Belgium 3 Jun 2009 - 5 Jun 2009. 01-06-2009
Oikonomopoulos A, Patras I and Pantic M (2009). An Implicit Spatiotemporal Shape Model for Human Activity Localization and Recognition. 01-01-2009
Oikonomopoulos A, Patras I and Pantic M (2009). An implicit spatiotemporal shape model for human activity localization and recognition. 01-01-2009
Passino G, Patras I and Izquierdo E (2009). CONTEXT AWARENESS IN GRAPH-BASED IMAGE SEMANTIC SEGMENTATION VIA VISUAL WORD DISTRIBUTIONS. 01-01-2009
(2009). Face Acquisition. Encyclopedia of Biometrics 291-291. 01-01-2009
Nikolopoulos S, Papadopoulos GT, Kompatsiaris I and Patras I (2009). An Evidence-Driven Probabilistic Inference Framework for Semantic Image Understanding., Editors: Perner P. 01-01-2009
2008
Oikonomopoulos A, Pantic M and Patras I (2008). Human Gesture Recognition using Sparse B-spline Polynomial Representations. 01-12-2008
Passino G, Patras I and Izquierdo E (2008). On the Role of Structure in Part-based Object Detection. ICIP 2008 San Diego, California 12 Oct 2008 - 15 Oct 2008. 12-10-2008
Andreopoulos Y and Patras I (2008). Incremental refinement of image salient-point detection. IEEE Transactions on Image Processing vol. 17 (9), 1685-1699. 01-09-2008
Passino G, Patras I and Izquierdo E (2008). Aspect Coherence for Graph-Based Image Labelling. VIE 2008 Xi’an, China 29 Jul 2008 - 1 Aug 2008. 01-08-2008
Oikonomopoulos A, Pantic M and Patras I (2008). B-spline polynomial descriptors for human activity recognition. 01-01-2008
Oikonomopoulos A, Pantic M and Patras I (2008). B-spline Polynomial Descriptors for Human Activity Recognition. 01-01-2008
Passino G, Patras I and Izquierdo E (2008). ON THE ROLE OF STRUCTURE IN PART-BASED OBJECT DETECTION. 01-01-2008
2007
PATRAS I, Lagendijk RL and Hendriks EA (2007). Bayesian Confidence Measures for Block-based Motion Estimation. IEEE trans. Circuits and Systems for Video Technology vol. 17 Issue 8, 988-995. 01-08-2007
Patras I, Hendriks EA and Lagendijk RL (2007). Probabilistic confidence measures for block matching motion estimation. IEEE T CIRC SYST VID vol. 17 (8), 988-995. 01-08-2007
PATRAS I and Hancock ER (2007). Regression-ased Template Tracking in Presence of Occlusions. International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS), Santorini, Greece. 01-06-2007
Patras I and Hancock E (2007). Template tracking with observation relevance determination. 01-01-2007
Pogalin E, Redert A, Patras I and Hendriks EA (2007). Gaze tracking by using factorized likelihoods particle filtering and stereo vision., Editors: Pollefeys M and Daniilidis K. 01-01-2007
Oikonomopoulos A, Patras I, Pantic M and Paragios N (2007). Trajectory-based representation of human actions., Editors: Huang TS, Nijholt A, Pantic M and Pentland A. 01-01-2007
PATRAS I, Paragios N, Oikonomopoulos A and Pantic M (2007). Particle Filtering Tracking Scheme for Trajectory-based Recognition of Human Actions. Artificial Intelligence for Human Computing , Editors: Huang TS, Nijholt A, Pantic M and Pentland A. 133-154. 01-01-2007
2006
Oikonomopoulos A, Patras I and Pantic M (2006). Spatiotemporal salient points for visual recognition of human actions. IEEE Trans Syst Man Cybern B Cybern vol. 36 (3), 710-719. 01-06-2006
PATRAS I, Pantic M and Oikonomopoulos A (2006). Kernel-based Recognition of Human Actions Using Spatiotemporal Salient Points. Proceedings of IEEE International Conference on Computer Vision and Pattern Recognition, Workshop on Vision for HCI, New York, USA - June 2006. 01-06-2006
Pantic M and Patras I (2006). Dynamics of facial expression: recognition of facial actions and their temporal segments from face profile image sequences. IEEE Trans Syst Man Cybern B Cybern vol. 36 (2), 433-449. 01-04-2006
Diplaros A, Gevers T and Patras I (2006). Combining color and shape information for illumination-viewpoint invariant object recognition. IEEE Trans Image Process vol. 15 (1), 1-11. 01-01-2006
2005
PATRAS I, Valstar MF and Pantic M (2005). Learning Spatiotemporal Models of Facial Expressions. International Conference on Measuring Behaviour, Wageningen - September 2005. 01-09-2005
PATRAS I, Pantic M and Valstar MF (2005). Facial Action Unit Detection Using Probabilistically Actively Learned Support Vector Machines on Tracked Facial Point Data. Proceedings of IEEE International Confernece on Computer Visision and Pattern Recognition, workshop on Vision for HCI, San Diego, USA - June 2005. 01-06-2005
Oikonomopoulos A, Patras I and Pantic M (2005). Spatiotemporal saliency for human action recognition. 01-01-2005
Pantic M and Patras I (2005). Detecting facial actions and their temporal segments in nearly frontal-view face image sequences. 01-01-2005
2004
Patras I, Worring M and van den Boomgaard R (2004). Dense motion estimation using regularization constraints on local parametric models. IEEE Trans Image Process vol. 13 (11), 1432-1443. 01-11-2004
PATRAS I, Pantic M and Valstar M (2004). Multilevel Motion History for Facial Action Detection from Face Video. IEEE International Conference on Systems, Management and Cybernetics, Den Haag, The Netherlands - October 2005. 01-10-2004
Valstar M, Pantic M and Patras I (2004). Motion History for Facial Action Detection in Video. 2004 IEEE International Conference on Systems, Man and Cybernetics (IEEE Cat. No.04CH37583). 01-01-2004
Pantic M and Patras I (2004). Temporal modeling of facial actions from face profile image sequences. 01-01-2004
Diplaros A, Gevers T and Patras I (2004). Combining color and shape information for content-based image retrieval on the Internet., Editors: Santini S and Schettini R. 01-01-2004
Winkelman F and Patras I (2004). Online globally consistent mosaicing using an efficient representation. 01-01-2004
Valstar M, Patras I and Pantic M (2004). Facial action unit recognition using temporal templates. 01-01-2004
Patras I and Pantic M (2004). Particle filtering with factorized likelihoods for tracking facial features. 01-01-2004
2003
PATRAS I, Gevers T and Diplaros A (2003). Color-Shape Context for Object Recognition. IEEE Workshop on Color and Photometric Methods in Computer Vision (in conjunction with ICCV 2003), Nice, France. 01-07-2003
Patras I, Hendriks EA and Lagendijk RL (2003). Semi-automatic object-based video segmentation with labeling of color segments. SIGNAL PROCESS-IMAGE vol. 18 (1), 51-65. 01-01-2003
2002
PATRAS I, Raaijmakers S, Snoek C, van Rest J, Worring M, van Leeuwen D, den Hartog J and Vendring J (2002). TREC Feature Extraction by Active Learning. 11th Text Retrieval Confernece (TREC), Gaithersburg, MD - November 2002. 01-11-2002
Patras I and Worring M (2002). Regularized patch motion estimation., Editors: Kasturi R, Laurendeau D and Suen C. 01-01-2002
Pantic M, Patras I and Rothkrantz L (2002). Facial action recognition in face profile image sequences. 01-01-2002
Patras I, Hendriks EA and Lagendijk RL (2002). Confidence measures for block matching motion estimation. 01-01-2002
2001
Patras I, Hendriks EA and Lagendijk RL (2001). Video segmentation by MAP labeling of watershed segments. IEEE T PATTERN ANAL vol. 23 (3), 326-332. 01-03-2001
PATRAS I, Hendriks EA, Broekhoven M and Hupkens T (2001). Robust Region Merging for Motion Based Sementation Using the Kolmogorov-Smirnov Test. Image Processing and Communications vol. 6 (3-4), 27-34. 01-01-2001
PATRAS I, List J, Geusebroek J-M, den Hartog J, Hiemstra D, van Ballegooij A, Worring M, Snoek C, Raaijmakers S, Todoran L, Vendrig J, de Vries A, Westerveld T and Baan J (2001). Lazy Users and Automatic Video Retrieval Tools in (the) Lowlands. Proceedings of the 10th Text Retrieval Conference (TREC), NIST 2001. 01-01-2001
1998
Patras I, Hendriks EA and Lagendijk RL (1998). Iterative motion estimation - segmentation method using watershed segments. 01-12-1998
1997
Patras IK, Hendriks EA and Tziritas GG (1997). Construction of multiple views using jointly estimated motion and disparity fields. Visual Communications and Image Processing '97. 10-01-1997
Grants
Grants of specific relevance to the Centre for Multimodal AI