Professor Ioannis Patras, BSc MSc ,PhD SMIEEE

Professor of Computer Vision and Human Sensing & Director of Graduate Studies (Research)
Email: i.patras@qmul.ac.ukTelephone: +44 20 7882 7523Room Number: Engineering, Eng 211Website: http://www.eecs.qmul.ac.uk/~ioannispOffice Hours: Tuesday 14:15-16:15
Teaching
Machine Learning (Postgraduate/Undergraduate)
The aim of the module is to give students an understanding of machine learning methods, including pattern recognition, clustering and neural networks, and to allow them to apply such methods in a range of areas.
Machine Learning for Visual Data Analysis (Postgraduate/Undergraduate)
The module will cover the following topics: The Discrete Fourier Transform and the frequency content of images. The design and use of Gabor filters. Principal Component Analysis for denoising and compression. Unsupervised classification via feature space clustering. Texture segmentation with Gabor filters.
Research
Research Interests:
My research experience lies mainly in the areas of Computer Vision, Image Processing and Pattern Recognition, and their applications in Multimedia Analysis, Visual Communications and Multimodal Man Machine Interaction. My recent research focuses on Human Sensining and Facial And Body Gesture Analysis, Tracking and Recognition.
Keywords: Face and Gesture Recognition, Tracking, Facial (Expression) Analysis, Human Motion Recognition, Behaviour Analysis, Human Sensing, EEG Analysis, Multimedia Indexing.
Publications
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Yang Q, Tzelepis C, Nikolenko S et al. (2023). "just to See You Smile": SMILEY, a Voice-Guided GUY GAN. nameOfConference
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Batziou E, Ioannidis K, Patras I et al. (2023). Artistic neural style transfer using CycleGAN and FABEMD by adaptive information selection. nameOfConference
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Batziou E, Ioannidis K, Patras I et al. (2023). Low-Light Image Enhancement Based on U-Net and Haar Wavelet Pooling. nameOfConference
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Bounareli S, Tzelepis C, Argyriou V et al. (2023). StyleMask: Disentangling the Style Space of StyleGAN2 for Neural Face Reenactment. nameOfConference
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Foteinopoulou N, Patras I (2022). Learning from Label Relationships in Human Affect. Proceedings of the 30th ACM International Conference on Multimedia (MM '22)
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Patras I (2022). Video Summarization in the Deep Learning Era. Proceedings of the 1st Workshop on User-centric Narrative Summarization of Long Videos
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Kordopatis-Zilos G, Tzelepis C, Papadopoulos S et al. (2022). DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval. nameOfConference
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Apostolidis E, Balaouras G, Mezaris V et al. (2022). Summarizing Videos using Concentrated Attention and Considering the Uniqueness and Diversity of the Video Frames. nameOfConference
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Feng C, Patras I (2022). Adaptive Soft Contrastive Learning. nameOfConference
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Zoumpourlis G, Patras I (2022). CovMix: Covariance Mixing Regularization for Motor Imagery Decoding. nameOfConference
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Apostolidis E, Balaouras G, Mezaris V et al. (2022). Explaining video summarization based on the focus of attention. nameOfConference
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Feng C, Tzimiropoulos G, Patras I (2021). SSR: An Efficient and Robust Framework for Learning with Unknown Label Noise. nameOfConference
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Apostolidis E, Adamantidou E, Metsai AI et al. (2021). Video Summarization Using Deep Neural Networks: A Survey. nameOfConference
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Foteinopoulou NM, TZELEPIS C, Patras I (2021). Estimating continuous affect with label uncertainty. 2021 9th International Conference on Affective Computing and Intelligent Interaction (ACII)
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Zoumpourlis G, Patras I (2021). Pairwise Ranking Network for Affect Recognition. 9th International Conference on Affective Computing and Intelligent Interaction (ACII 2021)
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Apostolidis E, Adamantidou E, Mezaris V et al. (2021). Combining adversarial and reinforcement learning for video thumbnail selection. nameOfConference
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Xie TT, Tzelepis C, Fu F et al. (2021). Few-shot action localization without knowing boundaries. nameOfConference
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Apostolidis E, Balaouras G, Mezaris V et al. (2021). Combining Global and Local Attention with Positional Encoding for Video Summarization. nameOfConference
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Tzelepis C, Tzimiropoulos G, Patras I (2021). WarpedGANSpace: Finding non-linear RBF paths in GAN latent space. nameOfConference
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Apostolidis E, Adamantidou E, Metsai A et al. (2020). AC-SUM-GAN: Connecting Actor-Critic and Generative Adversarial Networks for Unsupervised Video Summarization. nameOfConference
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Apostolidis E, Adamantidou E, Metsai AI et al. (2020). Performance over Random. Proceedings of the 28th ACM International Conference on Multimedia
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Apostolidis E, Adamantidou E, Metsai AI et al. (2020). Performance over Random: A Robust Evaluation Protocol for Video Summarization Methods. nameOfConference
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Batziou E, Alvanitopoulos P, Ioannidis K et al. (2020). Cycle-consistent adversarial networks and fast adaptive Bi-dimensional empirical mode decomposition for style transfer. nameOfConference
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Apostolidis E, Adamantidou E, Metsai A et al. (2020). Unsupervised Video Summarization via Attention-Driven Adversarial Learning. 26th Int. Conf. on Multimedia Modeling (MMM2020)
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Kordopatis-Zilos G, Papadopoulos S, Patras I et al. (2019). ViSiL: Fine-grained Spatio-Temporal Video Similarity Learning. International Conference on Computer Vision
DOI: doi
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Apostolidis E, Metsai AI, Adamantidou E et al. (2019). A Stepwise, Label-based Approach for Improving the Adversarial Training in Unsupervised Video Summarization. the 1st International Workshop
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Kordopatis-Zilos G, Papadopoulos S, Patras I et al. (2019). ViSiL: Fine-grained spatio-temporal video similarity learning. nameOfConference
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Mercier G, MARKATOPOULOU F, Cozien R et al. (publicationYear). Detecting Manipulations in Video. nameOfConference
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Kordopatis-Zilos G, Papadopoulos S, Patras I et al. (2019). Finding Near-Duplicate Videos in Large-Scale Collections. nameOfConference
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MARKATOPOULOU F, Zampoglou M, Apostolidis E et al. (publicationYear). Finding Semantically Related Videos in Closed Collections. nameOfConference
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Apostolidis E, Apostolidis K, Patras I et al. (publicationYear). Video Fragmentation and Reverse Search on the Web. nameOfConference
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Bishay M, Zoumpourlis G, Patras I (2019). TARN: Temporal Attentive Relation Network for Few-Shot and Zero-Shot Action Recognition. 30th British Machine Vision Conference
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Xie T, Yang X, Zhang T et al. (2019). Exploring Feature Representation and Training Strategies in Temporal Action Localization. nameOfConference
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Mou W, Gunes H, Patras I (2019). Alone versus in-a-group: A multi-modal framework for automatic affect recognition. nameOfConference
DOI: 10.1145/3321509
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Jang Y, Gunes H, Patras I (2019). Registration-free Face-SSD: Single shot analysis of smiles, facial attributes, and affect in the wild. nameOfConference
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Mou W, Gunes H, Patras I (2019). Your fellows matter: Affect analysis across subjects in group videos. nameOfConference
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BISHAY MAT, PATRAS I, 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
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Bishay M, PALASEK P, PRIEBE S et al. (2019). SchiNet: Automatic Estimation of Symptoms of Schizophrenia from Facial Behaviour Analysis.. nameOfConference
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Kordopatis-Zilos G, Papadopoulos S, Patras I et al. (2019). FIVR: Fine-grained Incident Video Retrieval.. nameOfConference
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Zampoglou M, Markatopoulou F, Mercier G et al. (2019). Detecting Tampered Videos with Multimedia Forensics and Deep Learning. 25th International Conference on MultiMedia Modeling
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Nixon L, Apostolidis E, Markatopoulou F et al. (2019). Multimodal Video Annotation for Retrieval and Discovery of Newsworthy Video in a News Verification Scenario. 25th International Conference on MultiMedia Modeling
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Mou W, Gunes H, Patras I (2019). Alone versus In-a-group: A Multi-modal Framework for Automatic Affect Recognition.. nameOfConference
DOI: 10.1145/3321509
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Markatopoulou F, Galanopoulos D, Tzelepis C et al. (2019). Concept-Based and Event-Based Video Search in Large Video Collections. nameOfConference
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Marras I, Palasek P, Patras I (2019). Deep Mixture of MRFs for Human Pose Estimation. nameOfConference
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Kordopatis-Zilos G, Papadopoulos S, Patras I et al. (2019). FIVR: Fine-Grained Incident Video Retrieval.. nameOfConference
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Jang Y, Gunes H, Patras I (2019). Registration-free Face-SSD: Single shot analysis of smiles, facial attributes, and affect in the wild.. nameOfConference
DOI: doi
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Tao Y, Ling Z, Patras I (2019). Universal Foreground Segmentation Based on Deep Feature Fusion Network for Multi-Scene Videos. nameOfConference
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Andreadis S, Moumtzidou A, Galanopoulos D et al. (2019). Verge in VBS 2019. nameOfConference
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Miranda Correa JA, Abadi MK, Sebe N et al. (2018). AMIGOS: A Dataset for Affect, Personality and Mood Research on Individuals and Groups. nameOfConference
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Correa JAM, Abadi MK, Sebe N et al. (2018). AMIGOS: A Dataset for Affect, Personality and Mood Research on Individuals and Groups.. nameOfConference
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Mou W, Tzelepis C, Mezaris V et al. (2018). A deep generic to specific recognition model for group membership analysis using non-verbal cues. nameOfConference
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Markatopoulou F, Mezaris V, Patras I (2018). Implicit and Explicit Concept Relations in Deep Neural Networks for Multi-Label Video/Image Annotation. nameOfConference
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Mioranda-Correa JA, Patras I (2018). A multi-task cascaded network for prediction of affect, personality, mood and social context using EEG signals. nameOfConference
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Tzelepis C, Mezaris V, Patras I (2018). Linear Maximum Margin Classifier for Learning from Uncertain Data.. nameOfConference
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Apostolidis K, Markatopoulou F, Tzelepis C et al. (2018). Multimedia processing essentials. nameOfConference
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Moumtzidou A, Andreadis S, Markatopoulou F et al. (2018). Verge in VBS 2018. nameOfConference
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MARRAS I, PALASEK P, PATRAS I (2017). Deep globally constrained MRFs for Human Pose Estimation. IEEE International Conference on Computer Vision (ICCV)
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TZELEPIS C, PATRAS, MEZARIS, V (2017). Linear Maximum Margin Classifier for Learning from Uncertain Data. nameOfConference
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KORDOPATIS-ZILOS G, Papadopoulos S, PATRAS I et al. (2017). Near-Duplicate Video Retrieval with Deep Metric Learning. Web-scale Vision and Social Media (VSM), ICCV 2017
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Tao Y, Palasek P, Ling Z et al. (2017). Background modelling based on generative unet. nameOfConference
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Jang Y, Gunes H, Patras I (2017). SmileNet: Registration-Free Smiling Face Detection in the Wild. nameOfConference
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Marras I, Palasek P, Patras I (2017). Deep Refinement Convolutional Networks for Human Pose Estimation. nameOfConference
DOI: 10.1109/FG.2017.148
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Bishay M, Patras I (2017). Fusing Multilabel Deep Networks for Facial Action Unit Detection. Automatic Face & Gesture Recognition (FG 2017)
DOI: 10.1109/FG.2017.86
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Mou W, Tzelepis C, Mezaris V et al. (2017). Generic to Specific Recognition Models for Membership Analysis in Group Videos. nameOfConference
DOI: 10.1109/FG.2017.69
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Galanopoulos D, Markatopoulou F, Mezaris V et al. (2017). Concept language models and event-based concept number selection for zero-example event detection. nameOfConference
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Markatopoulou F, Galanopoulos D, Mezaris V et al. (2017). Query and keyframe representations for ad-hoc video search. nameOfConference
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Collyda C, Apostolidis E, Pournaras A et al. (2017). VideoAnalysis4ALL: An on-line tool for the automatic fragmentation and concept-based annotation, and the interactive exploration of videos. nameOfConference
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Pittaras N, Markatopoulou F, Mezaris V et al. (2017). Comparison of fine-tuning and extension strategies for deep convolutional neural networks. nameOfConference
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Vrochidis S, Patras I, Kompatsiaris I (2017). Gaze movement-driven random forests for query clustering in automatic video annotation. nameOfConference
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KORDOPATIS-ZILOS G, Papadopoulos S, Patras I et al. (2017). Near-Duplicate Video Retrieval by Aggregating Intermediate CNN Layers. International Conference on Multimedia Modeling
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Moumtzidou A, Mironidis T, Markatopoulou F et al. (2017). VERGE in VBS 2017. nameOfConference
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Mou W, Gunes H, Patras I (2016). Automatic Recognition of Emotions and Membership in Group Videos. nameOfConference
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Kotsia I, Zafeiriou S, Goudelis G et al. (2016). Multimodal Sensing in Affective Gaming. nameOfConference
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Mou W, Gunes H, Patras I (2016). Alone versus in-a-group: A comparative analysis of facial affect recognition. nameOfConference
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Markatopoulou F, Mezaris V, Patras I (2016). Deep multi-task learning with label correlation constraint for video concept detection. nameOfConference
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AHMADI A, Patras I (2016). UNSUPERVISED CONVOLUTIONAL NEURAL NETWORKS FOR MOTION ESTIMATION. Image Processing (ICIP), 2016 IEEE International Conference on
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Markatopoulou F, Mezaris V, Patras I (2016). Online multi-task learning for semantic concept detection in video. nameOfConference
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Ahmadi A, Patras I (2016). Unsupervised convolutional neural networks for motion estimation. nameOfConference
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Tzelepis C, Mavridaki E, Mezaris V et al. (2016). Video aesthetic quality assessment using kernel Support Vector Machine with isotropic Gaussian sample uncertainty (KSVM-IGSU). nameOfConference
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Stefic D, Patras I (2016). Action recognition using saliency learned from recorded human gaze. nameOfConference
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Palasek P, Patras I (2016). Action recognition using convolutional restricted boltzmann machines. nameOfConference
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Wang L, Patras I, Zhang J et al. (2016). Special Issue on Individual and Group Activities in Video Event Analysis. nameOfConference
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Tzelepis C, Galanopoulos D, Mezaris V et al. (2016). Learning to detect video events from zero or very few video examples.. nameOfConference
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Kuranuki Y, Patras I (2016). Minimal filtered channel features for pedestrian detection. nameOfConference
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Markatopoulou F, Mezaris V, Patras I (2016). Ordering of visual descriptors in a classifier cascade towards improved video concept detection. nameOfConference
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Moumtzidou A, Mironidis T, Apostolidis E et al. (2016). Verge: A multimodal interactive search engine for video browsing and retrieval. nameOfConference
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Tzelepis C, Mezaris V, Patras I (2016). Video event detection using kernel support vector machine with isotropic gaussian sample uncertainty (KSVM-iGSU). nameOfConference
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Markatopoulou F, Mezaris V, Patras I (2015). Cascade of classifiers based on binary, non-binary and deep convolutional network descriptors for video concept detection. nameOfConference
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Chen M, Han J, Guo L et al. (2015). Identifying valence and arousal levels via connectivity between EEG channels. nameOfConference
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Kalpakis G, Tsikrika T, Markatopoulou F et al. (2015). Concept detection in multimedia web resources about home made explosives. nameOfConference
DOI: 10.1109/ARES.2015.85
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Yang H, Patras I (2015). Mirror, mirror on the wall, tell me, is the error small?. nameOfConference
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Tzelepis C, Galanopoulos D, Mezaris V et al. (2015). Learning to detect video events from zero or very few video examples. nameOfConference
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Yang H, Jia X, Patras I et al. (2015). Random Subspace Supervised Descent Method for Regression Problems in Computer Vision. nameOfConference
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Yang H, Patras I (2015). Privileged Information-Based Conditional Structured Output Regression Forest for Facial Point Detection. nameOfConference
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Yang H, He X, Jia X et al. (2015). Robust face alignment under occlusion via regional predictive power estimation. nameOfConference
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Palasek P, Yang H, Xu Z et al. (2015). A flexible calibration method of multiple Kinects for 3D human reconstruction. nameOfConference
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Abadi MK, Correa JAM, Wache J et al. (2015). Inference of personality traits and affect schedule by analysis of spontaneous reactions to affective videos. nameOfConference
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Abadi MK, Subramanian R, Kia SM et al. (2015). DECAF: MEG-Based Multimodal Database for Decoding Affective Physiological Responses. nameOfConference
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Yang H, Zou C, Patras I (2015). Cascade of forests for face alignment. nameOfConference
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Markatopoulou F, Mezaris V, Pittaras N et al. (2015). Local Features and a Two-Layer Stacking Architecture for Semantic Concept Detection in Video. nameOfConference
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Yang H, Patras I (2015). Fine-tuning regression forests votes for object alignment in the wild. nameOfConference
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Markatopoulou F, Pittaras N, Papadopoulou O et al. (2015). A study on the use of a binary local descriptor and color extensions of local descriptors for video concept detection. nameOfConference
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Yang H, Mou W, Zhang Y et al. (2015). Face Alignment Assisted by Head Pose Estimation. nameOfConference
DOI: 10.5244/c.29.130
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Moumtzidou A, Avgerinakis K, Apostolidis E et al. (2015). VERGE: A multimodal interactive video search engine. nameOfConference
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Kaymak S, Patras I (2014). Multimodal random forest based tensor regression. nameOfConference
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Burelli P, Triantafyllidis G, Patras I (2014). Non-invasive player experience estimation from body motion and game context. nameOfConference
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Stefic D, Patras I (2014). Learning visual saliency using topographic independent component analysis. nameOfConference
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Yang H, Zou C, Patras I (2014). Face sketch landmarks localization in the wild. nameOfConference
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Stefic D, Patras I (2014). Learning visual saliency using topographic independent component analysis. nameOfConference
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Jia X, Yang H, Chan K-P et al. (2014). Structured Semi-supervised Forest for Facial Landmarks Localization with Face Mask Reasoning. Proceedings of the British Machine Vision Conference 2014
DOI: 10.5244/c.28.85
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Vijay Kumar BG, Patras I (2013). Supervised dictionary learning for action localization. nameOfConference
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Nikolopoulos S, Zafeiriou S, Patras I et al. (2013). High order pLSA for indexing tagged images. nameOfConference
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Rudovic O, Pantic M, Patras IY (2013). Coupled Gaussian Processes for Pose-Invariant Facial Expression Recognition. nameOfConference
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Kaymak S, Patras I (2013). Exploiting depth and intensity information for head pose estimation with random forests and tensor models. nameOfConference
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Kotsia I, Patras I (2013). Exploring the similarities of neighboring spatiotemporal points for action pair matching. nameOfConference
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Koelstra S, Patras I (2013). Fusion of facial expressions and EEG for implicit affective tagging. nameOfConference
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Yang H, Patras I (2013). Privileged information-based Conditional Regression Forests for Facial Feature Detection. nameOfConference
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Guo W, Hu W, Boulgouris NV et al. (2013). Semi-supervised visual recognition with constrained graph regularized non negative matrix factorization. nameOfConference
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Yang H, Patras I (2013). Sieving regression forest votes for facial feature detection in the wild. nameOfConference
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Kotsia I, Guo W, Patras I (2012). Higher rank support tensor machines for visual recognition. nameOfConference
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Oveisi F, Oveisi S, Efranian A et al. (2012). Nonlinear Independent Component Analysis for EEG-Based Brain-Computer Interface Systems. nameOfConference
DOI: 10.5772/39092
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Kotsia I, Guo W, Patras I (2012). Higher rank support tensor machines. nameOfConference
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Vrochidis S, Patras I, Kompatsiaris I (2012). Exploiting gaze movements for automatic video annotation. nameOfConference
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Kumar BGV, Patras I (2012). Learning codebook weights for action detection. nameOfConference
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Chatzilari E, Nikolopoulos S, Patras I et al. (2012). Leveraging social media for scalable object detection. nameOfConference
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Kotsia I, Patras I, Fotopoulos S (2012). Affective gaming: Beyond using sensors. nameOfConference
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Nikolopoulos S, Papadopoulos GT, Kompatsiaris I et al. (2012). Image interpretation by combining ontologies and Bayesian networks. nameOfConference
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Kumar BGV, Kotsia I, Patras I (2012). Max-margin Non-negative Matrix Factorization. nameOfConference
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Koelstra S, Muhl C, Soleymani M et al. (2012). DEAP: A Database for Emotion Analysis Using Physiological Signals. nameOfConference
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Yang H, Patras I (2012). Face Parts Localization Using Structured-output Regression Forests. ACCV 2012
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Oveisi F, Oveisi S, Efranian A et al. (2012). Tree-Structured Feature Extraction Using Mutual Information. nameOfConference
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Nikolopoulos S, Papadopoulos GT, Kompatsiaris I et al. (2011). Evidence-driven image interpretation by combining implicit and explicit knowledge in a Bayesian network.. nameOfConference
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Vrochidis S, Patras I, Kompatsiaris I (2011). An eye-tracking-based approach to facilitate interactive video search. nameOfConference
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Vrochidis S, Kompatsiaris I, Patras I (2011). Utilizing implicit user feedback to improve interactive video retrieval. nameOfConference
DOI: 10.1155/2011/310762
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Soleymani M, Koelstra S, Patras I et al. (2011). Continuous emotion detection in response to music videos. nameOfConference
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Oikonomopoulos A, Patras I, Pantic M (2011). Spatiotemporal localization and categorization of human actions in unsegmented image sequences.. nameOfConference
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Chatzilari E, Nikolopoulos S, Patras I et al. (2011). Enhancing computer vision using the collective intelligence of social media. nameOfConference
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Nikolopoulos S, Giannakidou E, Kompatsiaris I et al. (2011). Combining Multi-modal Features for Social Media Analysis. nameOfConference
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Vijay Kumar BG, Kotsia I, Patras I (2011). Max-margin semi-NMF. nameOfConference
DOI: 10.5244/C.25.129
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Oikonomopoulos A, Patras I, Pantic M (2010). Discriminative space-time voting for joint recognition and localization of actions. nameOfConference
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Kotsia I, Patras I (2010). Multiplicative update rules for multilinear support tensor machines. nameOfConference
DOI: 10.1109/ICPR.2010.17
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Rudovic O, Patras I, Pantic M (2010). Regression-based multi-view facial expression recognition. nameOfConference
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Koelstra S, Pantic M, Patras I (2010). A Dynamic Texture-Based Approach to Recognition of Facial Actions and Their Temporal Models. nameOfConference
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Rudovic O, Patras I, Pantic M (2010). Facial expression invariant head pose normalization using Gaussian Process Regression. nameOfConference
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Passino G, Patras I, Izquierdo E (2010). Aspect coherence for graph-based semantic image labelling. nameOfConference
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Patras I, Hancock ER (2010). Coupled Prediction Classification for Robust Visual Tracking. nameOfConference
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Vrochidis S, Kompatsiaris I, Patras I (2010). Optimizing visual search with implicit user feedback in interactive video retrieval. nameOfConference
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Kotsia I, Patras I (2010). Relative Margin Support Tensor Machines for gait and action recognition. nameOfConference
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Passino G, Patras I, Izquierdo E (2010). Pyramidal Model for Image Semantic Segmentation. ICPR 2010
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Koelstra S, Pantic M, Patras I (2010). A Dynamic Texture-Based Approach to Recognition of Facial Actions and Their Temporal Models. nameOfConference
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Rudovic O, Patras I, Pantic M (2010). Coupled Gaussian Process Regression for Pose-Invariant Facial Expression Recognition. nameOfConference
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Rudovic O, Patras I, Pantic M (2010). Coupled Gaussian process regression for pose-invariant facial expression recognition. nameOfConference
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Koelstra S, Yazdani A, Soleymani M et al. (2010). Single Trial Classification of EEG and Peripheral Physiological Signals for Recognition of Emotions Induced by Music Videos. nameOfConference
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Guo W, Patras I (2009). Discriminative 3D human pose estimation from monocular images via topological preserving hierarchical affinity clustering. nameOfConference
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Koelstra S, Mühl C, Patras I (2009). EEG analysis for implicit tagging of video data. nameOfConference
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Oikonomopoulos A, Pantic M, Patras I (2009). Sparse B-spline polynomial descriptors for human activity recognition. nameOfConference
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Passino G, Patras I, Izquierdo E (2009). Latent Semantics Local Distribution for CRF-based Image Semantic Segmentation. BMVC 2009
DOI: 10.5244/C.23.26
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Oikonomopoulos A, Patras I, 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
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Nikolopoulos S, Papadopoulos GT, Kompatsiaris I et al. (2009). An Evidence-Driven Probabilistic Inference Framework for Semantic Image Understanding. nameOfConference
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Oikonomopoulos A, Patras I, Pantic M (2009). An implicit spatiotemporal shape model for human activity localization and recognition. nameOfConference
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Passino G, Patras I, Izquierdo E (2009). CONTEXT AWARENESS IN GRAPH-BASED IMAGE SEMANTIC SEGMENTATION VIA VISUAL WORD DISTRIBUTIONS. nameOfConference
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Koelstra S, Patras I (2009). THE FAST-3D SPATIO-TEMPORAL INTEREST REGION DETECTOR. nameOfConference
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Andreopoulos Y, Patras I (2008). Incremental refinement of image salient-point detection.. nameOfConference
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Passino G, Patras I, Izquierdo E (2008). Aspect Coherence for Graph-Based Image Labelling. VIE 2008
DOI: 10.1049/cp:20080290
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Oikonomopoulos A, Pantic M, Patras I (2008). B-spline Polynomial Descriptors for Human Activity Recognition. nameOfConference
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Oikonomopoulos A, Pantic M, Patras I (2008). B-spline polynomial descriptors for human activity recognition.. nameOfConference
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Patras I, Andreopoulos Y (2008). Incremental salient point detection. nameOfConference
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Patras I, Hendriks EA, Lagendijk RL (2007). Probabilistic confidence measures for block matching motion estimation. nameOfConference
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PATRAS I, Hancock ER (2007). Regression-ased Template Tracking in Presence of Occlusions. International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS), Santorini, Greece
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Pogalin E, Redert A, Patras I et al. (2007). Gaze tracking by using factorized likelihoods particle filtering and stereo vision. nameOfConference
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Patras I, Hancock ER (2007). Regression tracking with data relevance determination. nameOfConference
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Patras I, Hancock E (2007). Template tracking with observation relevance determination. nameOfConference
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Oikonomopoulos A, Patras I, Pantic M et al. (2007). Trajectory-based representation of human actions. nameOfConference
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PATRAS I, Pantic M, 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
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Oikonomopoulos A, Patras I, Pantic M (2006). Spatiotemporal salient points for visual recognition of human actions.. nameOfConference
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Pantic M, Patras I (2006). Dynamics of facial expression: recognition of facial actions and their temporal segments from face profile image sequences.. nameOfConference
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Diplaros A, Gevers T, Patras I (2006). Combining color and shape information for illumination-viewpoint invariant object recognition.. nameOfConference
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PATRAS I, Pantic M, 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
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Oikonomopoulos A, Patras I, Pantic M (2005). Spatiotemporal saliency for human action recognition. nameOfConference
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Valstar M, Pantic M, Patras I (2004). Motion history for facial action detection in video. nameOfConference
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Patras I, Worring M, van den Boomgaard R (2004). Dense motion estimation using regularization constraints on local parametric models.. nameOfConference
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Diplaros A, Gevers T, Patras I (2004). Combining color and shape information for content-based image retrieval on the Internet. nameOfConference
DOI: 10.1117/12.525667
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Valstar M, Patras I, Pantic M (2004). Facial action unit recognition using temporal templates. nameOfConference
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Winkelman F, Patras I (2004). Online globally consistent mosaicing using an efficient representation. nameOfConference
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Patras I, Pantic M (2004). Particle filtering with factorized likelihoods for tracking facial features. nameOfConference
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Pantic M, Patras I (2004). Temporal modeling of facial actions from face profile image sequences. nameOfConference
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Patras I, Hendriks EA, Lagendijk RL (2003). Semi-automatic object-based video segmentation with labeling of color segments. nameOfConference
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Patras I, Hendriks EA, Lagendijk RL (2002). Confidence measures for block matching motion estimation. nameOfConference
QMRO: qmroHref -
Pantic M, Patras I, Rothkrantz L (2002). Facial action recognition in face profile image sequences. nameOfConference
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Patras I, Hendriks EA, Lagendijk RL (2001). Video segmentation by MAP labeling of watershed segments. nameOfConference
DOI: 10.1109/34.910886
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Patras IK, Hendriks EA, Tziritas GG (1997). Construction of multiple views using jointly estimated motion and disparity fields. Visual Communications and Image Processing '97
DOI: 10.1117/12.263250
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