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Publications: Prof Ioannis Patras

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Patras I ( 2023 ) . Controllable image generation and manipulation . Conference: Proceedings of the 2nd ACM International Workshop on Multimedia AI against Disinformation1 - 1 .
Yang Q, Tzelepis C, Nikolenko S, Patras I, Farseev A ( 2023 ) . "just to See You Smile": SMILEY, a Voice-Guided GUY GAN . WSDM 2023 - Proceedings of the 16th ACM International Conference on Web Search and Data Mining . 1196 - 1199 .
Batziou E, Ioannidis K, Patras I, Vrochidis S, Kompatsiaris I ( 2023 ) . Artistic neural style transfer using CycleGAN and FABEMD by adaptive information selection . Pattern Recognition Letters vol. 165 , 55 - 62 .
Batziou E, Ioannidis K, Patras I, Vrochidis S, Kompatsiaris I ( 2023 ) . Low-Light Image Enhancement Based on U-Net and Haar Wavelet Pooling . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 13834 LNCS , 510 - 522 .
Kordopatis-Zilos G, Tolias G, Tzelepis C, Kompatsiaris I, Patras I, Papadopoulos S ( 2023 ) . Self-Supervised Video Similarity Learning . IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops . vol. 2023-June , 4756 - 4766 .
Bounareli S, Tzelepis C, Argyriou V, Patras I, 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 2023 .
Foteinopoulou N, Patras I ( 2022 ) . Learning from Label Relationships in Human Affect . Conference: Proceedings of the 30th ACM International Conference on Multimedia (MM '22) ( Lisboa, Portugal ) from: 10/10/2022 to: 14/10/2022 ,
Patras I ( 2022 ) . Video Summarization in the Deep Learning Era . Conference: Proceedings of the 1st Workshop on User-centric Narrative Summarization of Long Videos1 - 1 .
Kordopatis-Zilos G, Tzelepis C, Papadopoulos S, Kompatsiaris I, Patras I ( 2022 ) . DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval . International Journal of Computer Vision vol. 130 , ( 10 ) 2385 - 2407 .
Apostolidis E, Balaouras G, Mezaris V, Patras I ( 2022 ) . Summarizing Videos using Concentrated Attention and Considering the Uniqueness and Diversity of the Video Frames . ICMR 2022 - Proceedings of the 2022 International Conference on Multimedia Retrieval . 407 - 415 .
Feng C, Patras I ( 2022 ) . Adaptive Soft Contrastive Learning . Proceedings - International Conference on Pattern Recognition . vol. 2022-August , 2721 - 2727 .
Zoumpourlis G, Patras I ( 2022 ) . CovMix: Covariance Mixing Regularization for Motor Imagery Decoding . International Winter Conference on Brain-Computer Interface, BCI . vol. 2022-February ,
Apostolidis E, Balaouras G, Mezaris V, Patras I ( 2022 ) . Explaining video summarization based on the focus of attention . Proceedings - 2022 IEEE International Symposium on Multimedia, ISM 2022 . 146 - 150 .
Feng C, Tzimiropoulos G, Patras I ( 2021 ) . SSR: An Efficient and Robust Framework for Learning with Unknown Label Noise .
Apostolidis E, Adamantidou E, Metsai AI, Mezaris V, Patras I ( 2021 ) . Video Summarization Using Deep Neural Networks: A Survey . Proceedings of the IEEE vol. 109 , ( 11 ) 1838 - 1863 .
Foteinopoulou NM, TZELEPIS C, Patras I ( 2021 ) . Estimating continuous affect with label uncertainty . Conference: 2021 9th International Conference on Affective Computing and Intelligent Interaction (ACII) from: 28/09/2021 to: 01/10/2021 ,
Zoumpourlis G, Patras I ( 2021 ) . Pairwise Ranking Network for Affect Recognition . Conference: 9th International Conference on Affective Computing and Intelligent Interaction (ACII 2021)
Apostolidis E, Adamantidou E, Mezaris V, Patras I ( 2021 ) . Combining adversarial and reinforcement learning for video thumbnail selection . ICMR 2021 - Proceedings of the 2021 International Conference on Multimedia Retrieval . 1 - 9 .
Xie TT, Tzelepis C, Fu F, Patras I ( 2021 ) . Few-shot action localization without knowing boundaries . ICMR 2021 - Proceedings of the 2021 International Conference on Multimedia Retrieval . 339 - 348 .
Apostolidis E, Balaouras G, Mezaris V, Patras I ( 2021 ) . Combining Global and Local Attention with Positional Encoding for Video Summarization . Proceedings - 23rd IEEE International Symposium on Multimedia, ISM 2021 . 226 - 234 .
Lokoč J, Skopal T, Schoeffmann K, Mezaris V, Li X, Vrochidis S, Patras I ( 2021 ) . Preface .
Tzelepis C, Patras I ( 2021 ) . Uncertainty Propagation in Convolutional Neural Networks: Technical Report . CoRR vol. abs/2102.06064 ,
Tzelepis C, Tzimiropoulos G, Patras I ( 2021 ) . WarpedGANSpace: Finding non-linear RBF paths in GAN latent space . Proceedings of the IEEE International Conference on Computer Vision . 6373 - 6382 .
Apostolidis E, Adamantidou E, Metsai A, Mezaris V, 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
Apostolidis E, Adamantidou E, Metsai AI, Mezaris V, Patras I ( 2020 ) . Performance over Random . Conference: Proceedings of the 28th ACM International Conference on Multimedia1056 - 1064 .
Apostolidis E, Adamantidou E, Metsai AI, Mezaris V, Patras I ( 2020 ) . Performance over Random: A Robust Evaluation Protocol for Video Summarization Methods . MM 2020 - Proceedings of the 28th ACM International Conference on Multimedia . 1056 - 1064 .
Xie T, Tzelepis C, Patras I ( 2020 ) . Boundary Uncertainty in a Single-Stage Temporal Action Localization Network . CoRR vol. abs/2008.11170 ,
Batziou E, Alvanitopoulos P, Ioannidis K, Patras I, Vrochidis S, Kompatsiaris I ( 2020 ) . Cycle-consistent adversarial networks and fast adaptive Bi-dimensional empirical mode decomposition for style transfer . Proceedings - International Conference on Pattern Recognition . 2360 - 2367 .
Gkalelis N, Markatopoulou F, Moumtzidou A, Galanopoulos D, Avgerinakis K, Pittaras N, Vrochidis S, Mezaris V et al. ( 2020 ) . ITI-CERTH participation to TRECVID 2014 . 2014 TREC Video Retrieval Evaluation, TRECVID 2014 .
Markatopoulou F, Ioannidou A, Tzelepis C, Mironidis T, Galanopoulos D, Arestis-Chartampilas S, Pittaras N, Avgerinakis K et al. ( 2020 ) . ITI-CERTH participation to TRECVID 2015 . 2015 TREC Video Retrieval Evaluation, TRECVID 2015 .
Xie T-T, Tzelepis C, Patras I ( 2020 ) . Temporal Action Localization with Variance-Aware Networks . CoRR vol. abs/2008.11254 ,
Apostolidis E, Adamantidou E, Metsai A, Mezaris V, Patras I ( 2020 ) . Unsupervised Video Summarization via Attention-Driven Adversarial Learning . Conference: 26th Int. Conf. on Multimedia Modeling (MMM2020) ( Daejeon, Korea ) from: 05/01/2020 to: 08/01/2020 ,
Kordopatis-Zilos G, Papadopoulos S, Patras I, Kompatsiaris I ( 2019 ) . ViSiL: Fine-grained Spatio-Temporal Video Similarity Learning . Conference: International Conference on Computer Vision ( Seoul. Korea ) from: 27/09/2019 to: 02/11/2019 , 6351 - 6360 .
Apostolidis E, Metsai AI, Adamantidou E, Mezaris V, Patras I ( 2019 ) . A Stepwise, Label-based Approach for Improving the Adversarial Training in Unsupervised Video Summarization . Proceedings of the 1st International Workshop on AI for Smart TV Content Production, Access and Delivery - AI4TV '19 . Conference: the 1st International Workshop from: 21/10/2019 to: 21/10/2019 ,
Kordopatis-Zilos G, Papadopoulos S, Patras I, Kompatsiaris Y ( 2019 ) . ViSiL: Fine-grained spatio-temporal video similarity learning . Proceedings of the IEEE International Conference on Computer Vision . vol. 2019-October , 6350 - 6359 .
Mercier G, MARKATOPOULOU F, Cozien R, Zampoglou M, Apostolidis E, Metsai A, Papadopoulos S, Mezaris V et al. ( 2019 ) . Detecting Manipulations in Video . Video Verification in the Fake News Era , Editors: Mezaris, V, Nixon, L, Papadopoulos, S, Teyssou, D et al. , Springer, Cham
Kordopatis-Zilos G, Papadopoulos S, Patras I, 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, Teyssou, D et al. , Springer
MARKATOPOULOU F, Zampoglou M, Apostolidis E, Papadopoulos S, Mezaris V, Patras I, Kompatsiaris I ( 2019 ) . Finding Semantically Related Videos in Closed Collections . Video Verification in the Fake News Era , Editors: Mezaris, V, Nixon, L, Papadopoulos, S, Teyssou, D et al. , Springer, Cham
Apostolidis E, Apostolidis K, Patras I, 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, Teyssou, D et al. , Springer, Cham
Bishay M, Zoumpourlis G, Patras I ( 2019 ) . TARN: Temporal Attentive Relation Network for Few-Shot and Zero-Shot Action Recognition . Conference: 30th British Machine Vision Conference ( Cardiff, UK ) from: 09/09/2019 to: 12/09/2019 ,
Xie T, Yang X, Zhang T, Xu C, Patras I ( 2019 ) . Exploring Feature Representation and Training Strategies in Temporal Action Localization . Proceedings - International Conference on Image Processing, ICIP . vol. 2019-September , 1605 - 1609 .
Mou W, Gunes H, Patras I ( 2019 ) . Alone versus in-a-group: A multi-modal framework for automatic affect recognition . ACM Transactions on Multimedia Computing, Communications and Applications vol. 15 , ( 2 )
Jang Y, Gunes H, Patras I ( 2019 ) . Registration-free Face-SSD: Single shot analysis of smiles, facial attributes, and affect in the wild . Computer Vision and Image Understanding vol. 182 , 17 - 29 .
Mou W, Gunes H, Patras I ( 2019 ) . Your fellows matter: Affect analysis across subjects in group videos . Proceedings - 14th IEEE International Conference on Automatic Face and Gesture Recognition, FG 2019 .
BISHAY MAT, PATRAS I, PRIEBE S ( 2019 ) . CAN AUTOMATIC FACIAL EXPRESSION ANALYSIS BE USED FOR TREATMENT OUTCOME ESTIMATION IN SCHIZOPHRENIA? . Conference: IEEE International Conference on Acoustics, Speech and Signal Processing ( Brighton ) from: 12/05/2019 to: 17/05/2019 ,
Bishay M, PALASEK P, PRIEBE S, Patras I ( 2019 ) . SchiNet: Automatic Estimation of Symptoms of Schizophrenia from Facial Behaviour Analysis . IEEE Transactions on Affective Computing
Kordopatis-Zilos G, Papadopoulos S, Patras I, Kompatsiaris I ( 2019 ) . FIVR: Fine-grained Incident Video Retrieval . IEEE Transactions on Multimedia vol. 21 , ( 10 ) 2638 - 2652 .
Zampoglou M, Markatopoulou F, Mercier G, Touska D, Apostolidis E, Papadopoulos S, Cozien R, Patras I et al. ( 2019 ) . Detecting Tampered Videos with Multimedia Forensics and Deep Learning . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . Conference: 25th International Conference on MultiMedia Modeling ( Thessaloniki, Greece ) from: 08/01/2019 to: 11/01/2019 , vol. 11295 LNCS , 374 - 386 .
Nixon L, Apostolidis E, Markatopoulou F, Patras I, Mezaris V ( 2019 ) . Multimodal Video Annotation for Retrieval and Discovery of Newsworthy Video in a News Verification Scenario . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . Conference: 25th International Conference on MultiMedia Modeling ( Thessaloniki, Greece ) from: 08/01/2019 to: 11/01/2019 , vol. 11295 LNCS , 143 - 155 .
Mou W, Gunes H, Patras I ( 2019 ) . Alone versus In-a-group: A Multi-modal Framework for Automatic Affect Recognition . ACM Trans. Multim. Comput. Commun. Appl. vol. 15 , Article 2 , 47:1 - 47:1 .
Markatopoulou F, Galanopoulos D, Tzelepis C, Mezaris V, Patras I ( 2019 ) . Concept-Based and Event-Based Video Search in Large Video Collections . Big Data Analytics for Large-Scale Multimedia Search ,
Marras I, Palasek P, Patras I ( 2019 ) . Deep Mixture of MRFs for Human Pose Estimation . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 11363 LNCS , 717 - 733 .
Xie T, Yang X, Zhang T, Xu C, Patras I ( 2019 ) . Exploring Feature Representation and Training strategies in Temporal Action Localization . CoRR vol. abs/1905.10608 ,
Kordopatis-Zilos G, Papadopoulos S, Patras I, Kompatsiaris I ( 2019 ) . FIVR: Fine-Grained Incident Video Retrieval . IEEE Trans. Multim. vol. 21 , Article 10 , 2638 - 2652 .
Ahmadi A, Marras I, Patras I ( 2019 ) . LikeNet: A Siamese motion estimation network trained in an unsupervised way . British Machine Vision Conference 2018, BMVC 2018 .
Jang Y, Gunes H, Patras I ( 2019 ) . Registration-free Face-SSD: Single shot analysis of smiles, facial attributes, and affect in the wild . CoRR vol. abs/1902.04042 ,
Bishay M, Zoumpourlis G, Patras I ( 2019 ) . TARN: Temporal Attentive Relation Network for Few-Shot and Zero-Shot Action Recognition . BMVC . 154 - 154 .
Tao Y, Ling Z, Patras I ( 2019 ) . Universal Foreground Segmentation Based on Deep Feature Fusion Network for Multi-Scene Videos . IEEE Access vol. 7 , 158326 - 158337 .
Andreadis S, Moumtzidou A, Galanopoulos D, Markatopoulou F, Apostolidis K, Mavropoulos T, Gialampoukidis I, Vrochidis S et al. ( 2019 ) . Verge in VBS 2019 . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 11296 LNCS , 602 - 608 .
Miranda Correa JA, Abadi MK, Sebe N, Patras I ( 2018 ) . AMIGOS: A Dataset for Affect, Personality and Mood Research on Individuals and Groups . IEEE Transactions on Affective Computing
Correa JAM, Abadi MK, Sebe N, Patras I ( 2018 ) . AMIGOS: A Dataset for Affect, Personality and Mood Research on Individuals and Groups . IEEE Transactions on Affective Computing vol. 12 , Article 2 , 479 - 493 .
Mou W, Tzelepis C, Mezaris V, Gunes H, Patras I ( 2018 ) . A deep generic to specific recognition model for group membership analysis using non-verbal cues . Image and Vision Computing
Markatopoulou F, Mezaris V, 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
Mioranda-Correa JA, Patras I ( 2018 ) . A multi-task cascaded network for prediction of affect, personality, mood and social context using EEG signals . Proceedings - 13th IEEE International Conference on Automatic Face and Gesture Recognition, FG 2018 . 373 - 380 .
Vasilyev A, Hansard M, Mareschal I, Patras I ( 2018 ) . A Model of Visual Search in the Presence of Age-Related Macular Degeneration . PERCEPTION . Conference: Proceedings of the AVA Christmas meeting vol. 47 , 573 - 573 .
Tzelepis C, Mezaris V, Patras I ( 2018 ) . Linear Maximum Margin Classifier for Learning from Uncertain Data . IEEE Trans. Pattern Anal. Mach. Intell. vol. 40 , Article 12 , 2948 - 2962 .
Apostolidis K, Markatopoulou F, Tzelepis C, Mezaris V, Patras I ( 2018 ) . Multimedia processing essentials . Springer Series on Cultural Computing ,
Palasek P, Patras I ( 2018 ) . Semi-supervised Fisher vector network . CoRR vol. abs/1801.04438 ,
Moumtzidou A, Andreadis S, Markatopoulou F, Galanopoulos D, Gialampoukidis I, Vrochidis S, Mezaris V, Kompatsiaris I et al. ( 2018 ) . Verge in VBS 2018 . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 10705 LNCS , 444 - 450 .
Batziou E, Michail E, Avgerinakis K, Vrochidis S, Patras I, Kompatsiaris I ( 2018 ) . Visual and audio analysis of movies video for emotion detection @ Emotional Impact of Movies task MediaEval 2018 . CEUR Workshop Proceedings . vol. 2283 ,
MARRAS I, PALASEK P, PATRAS I ( 2017 ) . Deep globally constrained MRFs for Human Pose Estimation . Conference: IEEE International Conference on Computer Vision (ICCV) ( Venice, Italy ) from: 22/10/2017 to: 29/10/2017 ,
TZELEPIS C, PATRAS, MEZARIS, V ( 2017 ) . Linear Maximum Margin Classifier for Learning from Uncertain Data . IEEE Transactions on Pattern Analysis and Machine Intelligence
KORDOPATIS-ZILOS G, Papadopoulos S, PATRAS I, Kompatsiaris I ( 2017 ) . Near-Duplicate Video Retrieval with Deep Metric Learning . Conference: Web-scale Vision and Social Media (VSM), ICCV 2017
Tao Y, Palasek P, Ling Z, Patras I ( 2017 ) . Background modelling based on generative unet . 2017 14th IEEE International Conference on Advanced Video and Signal Based Surveillance, AVSS 2017 .
Palasek P, Patras I ( 2017 ) . Discriminative convolutional Fisher vector network for action recognition .
Jang Y, Gunes H, Patras I ( 2017 ) . SmileNet: Registration-Free Smiling Face Detection in the Wild . Proceedings - 2017 IEEE International Conference on Computer Vision Workshops, ICCVW 2017 . vol. 2018-January , 1581 - 1589 .
Marras I, Palasek P, Patras I ( 2017 ) . Deep Refinement Convolutional Networks for Human Pose Estimation . Proceedings - 12th IEEE International Conference on Automatic Face and Gesture Recognition, FG 2017 - 1st International Workshop on Adaptive Shot Learning for Gesture Understanding and Production, ASL4GUP 2017, Biometrics in the Wild, Bwild 2017, Heterogeneous Face Recognition, HFR 2017, Joint Challenge on Dominant and Complementary Emotion Recognition Using Micro Emotion Features and Head-Pose Estimation, DCER and HPE 2017 and 3rd Facial Expression Recognition and Analysis Challenge, FERA 2017 . 446 - 453 .
Bishay M, Patras I ( 2017 ) . Fusing Multilabel Deep Networks for Facial Action Unit Detection . Proceedings - 12th IEEE International Conference on Automatic Face and Gesture Recognition, FG 2017 . Conference: Automatic Face & Gesture Recognition (FG 2017)681 - 688 .
Mou W, Tzelepis C, Mezaris V, Gunes H, Patras I ( 2017 ) . Generic to Specific Recognition Models for Membership Analysis in Group Videos . Proceedings - 12th IEEE International Conference on Automatic Face and Gesture Recognition, FG 2017 - 1st International Workshop on Adaptive Shot Learning for Gesture Understanding and Production, ASL4GUP 2017, Biometrics in the Wild, Bwild 2017, Heterogeneous Face Recognition, HFR 2017, Joint Challenge on Dominant and Complementary Emotion Recognition Using Micro Emotion Features and Head-Pose Estimation, DCER and HPE 2017 and 3rd Facial Expression Recognition and Analysis Challenge, FERA 2017 . 512 - 517 .
Galanopoulos D, Markatopoulou F, Mezaris V, Patras I ( 2017 ) . Concept language models and event-based concept number selection for zero-example event detection . ICMR 2017 - Proceedings of the 2017 ACM International Conference on Multimedia Retrieval . 397 - 401 .
Markatopoulou F, Galanopoulos D, Mezaris V, Patras I ( 2017 ) . Query and keyframe representations for ad-hoc video search . ICMR 2017 - Proceedings of the 2017 ACM International Conference on Multimedia Retrieval . 407 - 411 .
Collyda C, Apostolidis E, Pournaras A, Markatopoulou F, Mezaris V, Patras I ( 2017 ) . VideoAnalysis4ALL: An on-line tool for the automatic fragmentation and concept-based annotation, and the interactive exploration of videos . ICMR 2017 - Proceedings of the 2017 ACM International Conference on Multimedia Retrieval . 470 - 474 .
Pittaras N, Markatopoulou F, Mezaris V, Patras I ( 2017 ) . Comparison of fine-tuning and extension strategies for deep convolutional neural networks . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 10132 LNCS , 102 - 114 .
Vrochidis S, Patras I, Kompatsiaris I ( 2017 ) . Gaze movement-driven random forests for query clustering in automatic video annotation . Multimedia Tools and Applications vol. 76 , ( 2 ) 2861 - 2889 .
Markatopoulou F, Moumtzidou A, Galanopoulos D, Avgerinakis K, Andreadis S, Gialampoukidis I, Tachos S, Vrochidis S et al. ( 2017 ) . ITI-CERTH participation in TRECVID 2017 . 2017 TREC Video Retrieval Evaluation, TRECVID 2017 .
KORDOPATIS-ZILOS G, Papadopoulos S, Patras I, Kompatsiaris Y ( 2017 ) . Near-Duplicate Video Retrieval by Aggregating Intermediate CNN Layers . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . Conference: International Conference on Multimedia Modeling vol. 10132 LNCS , 251 - 263 .
Moumtzidou A, Mironidis T, Markatopoulou F, Andreadis S, Gialampoukidis I, Galanopoulos D, Ioannidou A, Vrochidis S et al. ( 2017 ) . VERGE in VBS 2017 . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 10133 LNCS , 486 - 492 .
Mou W, Gunes H, Patras I ( 2016 ) . Automatic Recognition of Emotions and Membership in Group Videos . IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops . 1478 - 1486 .
Kotsia I, Zafeiriou S, Goudelis G, Patras I, Karpouzis K ( 2016 ) . Multimodal Sensing in Affective Gaming . Emotion in Games , vol. 4 , Springer Nature
Mou W, Gunes H, Patras I ( 2016 ) . Alone versus in-a-group: A comparative analysis of facial affect recognition . MM 2016 - Proceedings of the 2016 ACM Multimedia Conference . 521 - 525 .
Markatopoulou F, Mezaris V, Patras I ( 2016 ) . Deep multi-task learning with label correlation constraint for video concept detection . MM 2016 - Proceedings of the 2016 ACM Multimedia Conference . 501 - 505 .
AHMADI A, Patras I ( 2016 ) . UNSUPERVISED CONVOLUTIONAL NEURAL NETWORKS FOR MOTION ESTIMATION . http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=7527113 . Conference: Image Processing (ICIP), 2016 IEEE International Conference on ( Phoenix, Arizona, USA ) from: 25/09/2016 to: 28/09/2016 ,
Markatopoulou F, Mezaris V, Patras I ( 2016 ) . Online multi-task learning for semantic concept detection in video . Proceedings - International Conference on Image Processing, ICIP . vol. 2016-August , 186 - 190 .
Ahmadi A, Patras I ( 2016 ) . Unsupervised convolutional neural networks for motion estimation . Proceedings - International Conference on Image Processing, ICIP . vol. 2016-August , 1629 - 1633 .
Tzelepis C, Mavridaki E, Mezaris V, Patras I ( 2016 ) . Video aesthetic quality assessment using kernel Support Vector Machine with isotropic Gaussian sample uncertainty (KSVM-IGSU) . Proceedings - International Conference on Image Processing, ICIP . vol. 2016-August , 2410 - 2414 .
Stefic D, Patras I ( 2016 ) . Action recognition using saliency learned from recorded human gaze . Image and Vision Computing vol. 52 , 195 - 205 .
Palasek P, Patras I ( 2016 ) . Action recognition using convolutional restricted boltzmann machines . MARMI 2016 - Proceedings of the 2016 ACM 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction, co-located with ICMR 2016 . 3 - 8 .
Wang L, Patras I, Zhang J, Mori G, Davis L ( 2016 ) . Special Issue on Individual and Group Activities in Video Event Analysis . Computer Vision and Image Understanding vol. 144 , 1 - 2 .
Markatopoulou F, Galanopoulos D, Patras I, Mezaris V ( 2016 ) . ITI-CERTH in TRECVID 2016 Ad-hoc video search (AVS) . 2016 TREC Video Retrieval Evaluation, TRECVID 2016 .
Markatopoulou F, Moumtzidou A, Galanopoulos D, Mironidis T, Kaltsa V, Ioannidou A, Symeonidis S, Avgerinakis K et al. ( 2016 ) . ITI-CERTH participation in TRECVID 2016 . 2016 TREC Video Retrieval Evaluation, TRECVID 2016 .
Tzelepis C, Galanopoulos D, Mezaris V, Patras I ( 2016 ) . Learning to detect video events from zero or very few video examples . Image Vis. Comput. vol. 53 , 35 - 44 .
Kuranuki Y, Patras I ( 2016 ) . Minimal filtered channel features for pedestrian detection . Proceedings - International Conference on Pattern Recognition . vol. 0 , 681 - 686 .
Markatopoulou F, Mezaris V, Patras I ( 2016 ) . Ordering of visual descriptors in a classifier cascade towards improved video concept detection . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 9516 , 874 - 885 .
Moumtzidou A, Mironidis T, Apostolidis E, Markatopoulou F, Ioannidou A, Gialampoukidis I, Avgerinakis K, Vrochidis S et al. ( 2016 ) . Verge: A multimodal interactive search engine for video browsing and retrieval . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 9517 , 394 - 399 .
Tzelepis C, Mezaris V, Patras I ( 2016 ) . Video event detection using kernel support vector machine with isotropic gaussian sample uncertainty (KSVM-iGSU) . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 9516 , 3 - 15 .
Markatopoulou F, Mezaris V, Patras I ( 2015 ) . Cascade of classifiers based on binary, non-binary and deep convolutional network descriptors for video concept detection . Proceedings - International Conference on Image Processing, ICIP . vol. 2015-December , 1786 - 1790 .
Chen M, Han J, Guo L, Wang J, Patras I ( 2015 ) . Identifying valence and arousal levels via connectivity between EEG channels . 2015 International Conference on Affective Computing and Intelligent Interaction, ACII 2015 . 63 - 69 .
Kalpakis G, Tsikrika T, Markatopoulou F, Pittaras N, Vrochidis S, Mezaris V, Patras I, Kompatsiaris I ( 2015 ) . Concept detection in multimedia web resources about home made explosives . Proceedings - 10th International Conference on Availability, Reliability and Security, ARES 2015 . 632 - 641 .
Yang H, Patras I ( 2015 ) . Mirror, mirror on the wall, tell me, is the error small? . Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition . vol. 07-12-June-2015 , 4685 - 4693 .
Tzelepis C, Galanopoulos D, Mezaris V, Patras I ( 2015 ) . Learning to detect video events from zero or very few video examples . Image and Vision Computing vol. 53 , 35 - 44 .
Yang H, Jia X, Patras I, Chan KP ( 2015 ) . Random Subspace Supervised Descent Method for Regression Problems in Computer Vision . IEEE Signal Processing Letters vol. 22 , ( 10 ) 1816 - 1820 .
Yang H, Patras I ( 2015 ) . Privileged Information-Based Conditional Structured Output Regression Forest for Facial Point Detection . IEEE Transactions on Circuits and Systems for Video Technology vol. 25 , ( 9 ) 1507 - 1520 .
Yang H, He X, Jia X, Patras I ( 2015 ) . Robust face alignment under occlusion via regional predictive power estimation . IEEE Transactions on Image Processing vol. 24 , ( 8 ) 2393 - 2403 .
Palasek P, Yang H, Xu Z, Hajimirza N, Izquierdo E, Patras I ( 2015 ) . A flexible calibration method of multiple Kinects for 3D human reconstruction . 2015 IEEE International Conference on Multimedia and Expo Workshops, ICMEW 2015 .
Abadi MK, Correa JAM, Wache J, Yang H, Patras I, 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 2015 .
Gu L, Kanade T ( 2015 ) . Face Alignment . Encyclopedia of Biometrics , Springer Nature
Patras I ( 2015 ) . Face Pose Analysis . Encyclopedia of Biometrics , Springer Nature
Abadi MK, Subramanian R, Kia SM, Avesani P, Patras I, Sebe N ( 2015 ) . DECAF: MEG-Based Multimodal Database for Decoding Affective Physiological Responses . IEEE Transactions on Affective Computing vol. 6 , ( 3 ) 209 - 222 .
Yang H, Zou C, Patras I ( 2015 ) . Cascade of forests for face alignment . IET Computer Vision vol. 9 , ( 3 ) 321 - 330 .
Markatopoulou F, Mezaris V, Pittaras N, Patras I ( 2015 ) . Local Features and a Two-Layer Stacking Architecture for Semantic Concept Detection in Video . IEEE Transactions on Emerging Topics in Computing vol. 3 , ( 2 ) 193 - 204 .
Yang H, Patras I ( 2015 ) . Fine-tuning regression forests votes for object alignment in the wild . IEEE Transactions on Image Processing vol. 24 , ( 2 ) 619 - 631 .
Markatopoulou F, Pittaras N, Papadopoulou O, Mezaris V, Patras I ( 2015 ) . A study on the use of a binary local descriptor and color extensions of local descriptors for video concept detection . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 8935 , 282 - 293 .
Yang H, Mou W, Zhang Y, Patras I, Gunes H, Robinson P ( 2015 ) . Face Alignment Assisted by Head Pose Estimation . 130.1 - 130.13 .
Yang H, Mou W, Zhang Y, Patras I, Gunes H, Robinson P ( 2015 ) . Face Alignment Assisted by Head Pose Estimation . BMVC . Editors: Xie, X, Jones, MW, Tam, GKL , 130.1 - 130.1 .
Markatopoulou F, Loannidou A, Tzelepis C, Mironidis T, Galanopoulos D, Arestis-Chartampilas S, Ras NP, Avgerinakis K et al. ( 2015 ) . ITI-CERTH participation to TRECVID 2015 . 2015 TREC Video Retrieval Evaluation, TRECVID 2015 .
Abadi MK, Correa JAM, Wache J, Yang H, Patras I, Sebe N, IEEE ( 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), VOL. 3 .
Yang H, Patras I ( 2015 ) . Mirror, mirror on the wall, tell me, is the error small? . CoRR vol. abs/1501.05152 ,
Patras MV, BǍnacu CS, Popescu AM, Patraş I ( 2015 ) . The effect of limiting the right of appeal on the quality of the public procurement management system: Case study of Romania . Proceedings of the 26th International Business Information Management Association Conference - Innovation Management and Sustainable Economic Competitive Advantage: From Regional Development to Global Growth, IBIMA 2015 . 521 - 530 .
Moumtzidou A, Avgerinakis K, Apostolidis E, Markatopoulou F, Apostolidis K, Mironidis T, Vrochidis S, Mezaris V et al. ( 2015 ) . VERGE: A multimodal interactive video search engine . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 8936 , 249 - 254 .
Kaymak S, Patras I ( 2014 ) . Multimodal random forest based tensor regression . IET Computer Vision vol. 8 , ( 6 ) 650 - 657 .
Burelli P, Triantafyllidis G, Patras I ( 2014 ) . Non-invasive player experience estimation from body motion and game context . IEEE Conference on Computatonal Intelligence and Games, CIG .
Stefic D, Patras I ( 2014 ) . Learning visual saliency using topographic independent component analysis . 2014 IEEE International Conference on Image Processing, ICIP 2014 . 1130 - 1134 .
Yang H, Zou C, Patras I ( 2014 ) . Face sketch landmarks localization in the wild . IEEE Signal Processing Letters vol. 21 , ( 11 ) 1321 - 1325 .
Stefic D, Patras I ( 2014 ) . Learning visual saliency using topographic independent component analysis . 2014 IEEE International Conference on Image Processing, ICIP 2014 . 1130 - 1134 .
Jia X, Yang H, Chan K-P, Patras I ( 2014 ) . Structured Semi-supervised Forest for Facial Landmarks Localization with Face Mask Reasoning . Conference: Proceedings of the British Machine Vision Conference 201485.1 - 85.13 .
Vijay Kumar BG, Patras I ( 2013 ) . Supervised dictionary learning for action localization . 2013 10th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition, FG 2013 .
Kaymak S, Patras I ( 2013 ) . Exploiting depth and intensity information for head pose estimation with random forests and tensor models . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 7729 LNCS , 160 - 170 .
Kotsia I, Patras I ( 2013 ) . Exploring the similarities of neighboring spatiotemporal points for action pair matching . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 7726 LNCS , 624 - 635 .
Rudovic O, Pantic M, 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 .
Koelstra S, Patras I ( 2013 ) . Fusion of facial expressions and EEG for implicit affective tagging . IMAGE AND VISION COMPUTING vol. 31 , ( 2 ) 164 - 174 .
Nikolopoulos S, Zafeiriou S, Patras I, Kompatsiaris I ( 2013 ) . High order pLSA for indexing tagged images . SIGNAL PROCESSING vol. 93 , ( 8 ) 2212 - 2228 .
Yang H, Patras I ( 2013 ) . Privileged information-based Conditional Regression Forests for Facial Feature Detection . 10th IEEE International Conference on Automatic Face and Gesture Recognition .
Guo W, Hu W, Boulgouris NV, Patras I ( 2013 ) . Semi-supervised visual recognition with constrained graph regularized non negative matrix factorization . 2013 IEEE International Conference on Image Processing, ICIP 2013 - Proceedings . 2743 - 2747 .
Yang H, Patras I ( 2013 ) . Sieving regression forest votes for facial feature detection in the wild . Proceedings of the IEEE International Conference on Computer Vision1936 - 1943 .
Kotsia I, Guo W, Patras I ( 2012 ) . Higher rank support tensor machines for visual recognition . Pattern Recognition vol. 45 , ( 12 ) 4192 - 4203 .
Oveisi F, Oveisi S, Efranian A, Patras I ( 2012 ) . Nonlinear Independent Component Analysis for EEG-Based Brain-Computer Interface Systems . Independent Component Analysis for Audio and Biosignal Applications , IntechOpen
Kotsia I, Guo W, Patras I ( 2012 ) . Higher rank support tensor machines . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 7432 LNCS , 31 - 40 .
Vrochidis S, Patras I, Kompatsiaris I ( 2012 ) . Exploiting gaze movements for automatic video annotation . International Workshop on Image Analysis for Multimedia Interactive Services .
Kumar BGV, Patras I ( 2012 ) . Learning codebook weights for action detection . IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops . 27 - 32 .
Kotsia I, Patras I, Fotopoulos S ( 2012 ) . Affective gaming: Beyond using sensors . 5th International Symposium on Communications Control and Signal Processing, ISCCSP 2012 .
Nikolopoulos S, Papadopoulos GT, Kompatsiaris I, Patras I ( 2012 ) . Image interpretation by combining ontologies and Bayesian networks . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 7297 LNCS , 307 - 314 .
Guo W, Kotsia I, Patras I ( 2012 ) . Tensor learning for regression . IEEE Trans Image Process vol. 21 , ( 2 ) 816 - 827 .
Yang H, Liu X, Patras I ( 2012 ) . A Simple and Effective Extrinsic Calibration Method of a Camera and a Single Line Scanning Lidar . 21st International Conference on Pattern Recognition . Conference: ICPR 2012
Yang H, Zhang Y, Liu X, Patras I ( 2012 ) . Coupled 3D Tracking and Pose Optimization of Rigid Objects Using Particle Filter . 21st International Conference on Pattern Recognition . Conference: ICPR 2012
Koelstra S, Muhl C, Soleymani M, Lee J-S, Yazdani A, Ebrahimi T, Pun T, Nijholt A et al. ( 2012 ) . DEAP: A Database for Emotion Analysis Using Physiological Signals . IEEE TRANSACTIONS ON AFFECTIVE COMPUTING vol. 3 , ( 1 ) 18 - 31 .
Yang H, Patras I ( 2012 ) . Face Parts Localization Using Structured-output Regression Forests . Lecture Notes in Computer Science . Conference: ACCV 2012
Chatzilari E, Nikolopoulos S, Patras I, Kompatsiaris I ( 2012 ) . Leveraging social media for scalable object detection . PATTERN RECOGNITION vol. 45 , ( 8 ) 2962 - 2979 .
Kumar BGV, Kotsia I, Patras I ( 2012 ) . Max-margin Non-negative Matrix Factorization . IMAGE AND VISION COMPUTING vol. 30 , ( 4-5 ) 279 - 291 .
Kotsia I, Patras I ( 2012 ) . SUPPORT TENSOR ACTION SPOTTING . 2012 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP 2012) . 1397 - 1400 .
Oveisi F, Oveisi S, Efranian A, Patras I ( 2012 ) . Tree-Structured Feature Extraction Using Mutual Information . IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS vol. 23 , ( 1 ) 127 - 137 .
Nikolopoulos S, Papadopoulos GT, Kompatsiaris I, 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 .
Vrochidis S, Patras I, Kompatsiaris I ( 2011 ) . An eye-tracking-based approach to facilitate interactive video search . Proceedings of the 1st ACM International Conference on Multimedia Retrieval, ICMR'11 .
Vrochidis S, Kompatsiaris I, Patras I ( 2011 ) . Utilizing implicit user feedback to improve interactive video retrieval . Advances in Multimedia vol. 2011 ,
Soleymani M, Koelstra S, Patras I, Pun T ( 2011 ) . Continuous emotion detection in response to music videos . 2011 IEEE International Conference on Automatic Face and Gesture Recognition and Workshops, FG 2011 . 803 - 808 .
Oikonomopoulos A, Patras I, Pantic M ( 2011 ) . Spatiotemporal localization and categorization of human actions in unsegmented image sequences . IEEE Transactions on Image Processing vol. 20 , ( 4 ) 1126 - 1140 .
Chatzilari E, Nikolopoulos S, Patras I, Kompatsiaris I ( 2011 ) . Enhancing computer vision using the collective intelligence of social media . vol. 331 ,
Nikolopoulos S, Giannakidou E, Kompatsiaris I, Patras I, Vakali A ( 2011 ) . Combining Multi-modal Features for Social Media Analysis . Social Media Modeling and Computing , Springer Nature
Guo W, Kotsia I, Patras I ( 2011 ) . Higher order Support tensor regression for head pose estimation . International Workshop on Image Analysis for Multimedia Interactive Services .
Moumtzidou A, Sidiropoulos P, Vrochidis S, Gkalelis N, Nikolopoulos S, Mezaris V, Kompatsiaris I, Patras I ( 2011 ) . ITI-CERTH participation to TRECVID 2011 . 2011 TREC Video Retrieval Evaluation Notebook Papers .
Vijay Kumar BG, Kotsia I, Patras I ( 2011 ) . Max-margin semi-NMF . BMVC 2011 - Proceedings of the British Machine Vision Conference 2011 .
Kotsia I, Patras I ( 2011 ) . Support Tucker Machines . 2011 IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR) . 633 - 640 .
Oikonomopoulos A, Patras I, Pantic M ( 2010 ) . Discriminative space-time voting for joint recognition and localization of actions . SSPW'10 - Proceedings of the 2010 ACM Social Signal Processing Workshop, Co-located with ACM Multimedia 2010 . 11 - 16 .
Kotsia I, Patras I ( 2010 ) . Multiplicative update rules for multilinear support tensor machines . Proceedings - International Conference on Pattern Recognition . 33 - 36 .
Rudovic O, Patras I, Pantic M ( 2010 ) . Regression-based multi-view facial expression recognition . Proceedings - International Conference on Pattern Recognition . 4121 - 4124 .
Koelstra S, Pantic M, 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 .
Rudovic O, Patras I, Pantic M ( 2010 ) . Facial expression invariant head pose normalization using Gaussian Process Regression . 2010 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Workshops, CVPRW 2010 . 28 - 33 .
Passino G, Patras I, Izquierdo E ( 2010 ) . Aspect coherence for graph-based semantic image labelling . Computer Vision, IET vol. 4 , Article 3 , 183 - 194 .
Patras I, Hancock ER ( 2010 ) . Coupled Prediction Classification for Robust Visual Tracking . IEEE Transactions on Pattern Analysis and Machine Intelligence vol. 32 , ( 9 ) 1553 - 1567 .
Vrochidis S, Kompatsiaris I, Patras I ( 2010 ) . Optimizing visual search with implicit user feedback in interactive video retrieval . CIVR 2010 - 2010 ACM International Conference on Image and Video Retrieval . 274 - 281 .
Kotsia I, Patras I ( 2010 ) . Relative Margin Support Tensor Machines for gait and action recognition . CIVR 2010 - 2010 ACM International Conference on Image and Video Retrieval . 446 - 453 .
Passino G, Patras I, Izquierdo E ( 2010 ) . Pyramidal Model for Image Semantic Segmentation . Proceedings of the 20th International Conference on Pattern Recognition (ICPR 2010) . Conference: ICPR 2010 ( Istanbul, Turkey ) from: 23/08/2010 to: 26/08/2010 , 1554 - 1557 .
Koelstra S, Pantic M, 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 , 1940-1954 - 1940-1954 .
Kumar.B.G V, Patras I ( 2010 ) . A discriminative voting scheme for object detection using hough forests . British Machine Vision Conference, BMVC 2010 - Proceedings .
Rudovic O, Patras I, Pantic M ( 2010 ) . Coupled Gaussian Process Regression for Pose-Invariant Facial Expression Recognition . COMPUTER VISION-ECCV 2010, PT II . Editors: Daniilidis, K, Maragos, P, Paragios, N , vol. 6312 , 350 - 363 .
Rudovic O, Patras I, Pantic M ( 2010 ) . Coupled Gaussian process regression for pose-invariant facial expression recognition . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . vol. 6312 LNCS , 350 - 363 .
Vrochidis S, Kompatsiaris I, Patras I ( 2010 ) . Exploiting implicit user feedback in interactive video retrieval . WIAMIS . 1 - 4 .
Guo W, Patras I ( 2010 ) . Learning output-kernel-dependent regression for human pose estimation . British Machine Vision Conference, BMVC 2010 - Proceedings .
Koelstra S, Yazdani A, Soleymani M, Muhl C, Lee J-S, Nijholt A, Pun T, Ebrahimi T et al. ( 2010 ) . Single Trial Classification of EEG and Peripheral Physiological Signals for Recognition of Emotions Induced by Music Videos . BRAIN INFORMATICS, BI 2010 . vol. 6334 , 89 - 100 .
Guo W, 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 2009 . 9 - 15 .
Koelstra S, Mühl C, Patras I ( 2009 ) . EEG analysis for implicit tagging of video data . Proceedings - 2009 3rd International Conference on Affective Computing and Intelligent Interaction and Workshops, ACII 2009 .
Oikonomopoulos A, Pantic M, Patras I ( 2009 ) . Sparse B-spline polynomial descriptors for human activity recognition . IMAGE VISION COMPUT vol. 27 , ( 12 ) 1814 - 1825 .
Passino G, Patras I, Izquierdo E ( 2009 ) . Latent Semantics Local Distribution for CRF-based Image Semantic Segmentation . Proceedings of the British Machine Vision Conference (BMVC 2009) . Editors: Cavallaro, A, Prince, SJD, Alexander, D , Conference: BMVC 2009 ( London, England ) from: 07/09/2009 to: 10/09/2009 , 1 - 12 .
Passino G, Piatrik T, Patras I, Izquierdo E ( 2009 ) . A Multimedia Content Semantics Extraction Framework for Enhanced Social Interaction . Adjunct proceedings EuroITV 2009 Networked Television . Editors: Donoso, V, Geerts, D, Cesar, P, De Grooff, D et al. , Conference: EuroITV 2009 ( Leuven, Belgium ) from: 03/06/2009 to: 05/06/2009 , 89 - 91 .
Oikonomopoulos A, Patras I, Pantic M ( 2009 ) . An implicit spatiotemporal shape model for human activity localization and recognition . 2008 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops . Conference: 2009 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops27 - 33 .
Nikolopoulos S, Papadopoulos GT, Kompatsiaris I, Patras I ( 2009 ) . An Evidence-Driven Probabilistic Inference Framework for Semantic Image Understanding . MACHINE LEARNING AND DATA MINING IN PATTERN RECOGNITION . Editors: Perner, P , vol. 5632 , 525 - 539 .
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 (CVPR WORKSHOPS 2009), VOLS 1 AND 2 . 786 - 792 .
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, CVPR Workshops 2009 . 27 - 33 .
Passino G, Patras I, Izquierdo E ( 2009 ) . CONTEXT AWARENESS IN GRAPH-BASED IMAGE SEMANTIC SEGMENTATION VIA VISUAL WORD DISTRIBUTIONS . 2009 10TH INTERNATIONAL WORKSHOP ON IMAGE ANALYSIS FOR MULTIMEDIA INTERACTIVE SERVICES . 33 - 36 .
( 2009 ) . Face Acquisition . Encyclopedia of Biometrics , Springer Nature
Patras I ( 2009 ) . Face Pose Analysis . Encyclopedia of Biometrics , Springer Nature
Koelstra S, Patras I ( 2009 ) . THE FAST-3D SPATIO-TEMPORAL INTEREST REGION DETECTOR . 2009 10TH INTERNATIONAL WORKSHOP ON IMAGE ANALYSIS FOR MULTIMEDIA INTERACTIVE SERVICES . 242 - 245 .
Oikonomopoulos A, Pantic M, Patras I ( 2008 ) . Human Gesture Recognition using Sparse B-spline Polynomial Representations . Belgian/Netherlands Artificial Intelligence Conference . 193 - 200 .
Andreopoulos Y, Patras I ( 2008 ) . Incremental refinement of image salient-point detection . IEEE Transactions on Image Processing vol. 17 , ( 9 ) 1685 - 1699 .
Passino G, Patras I, Izquierdo E ( 2008 ) . Aspect Coherence for Graph-Based Image Labelling . Visual Information Engineering (VIE 2008), 5th International Conference on . Conference: VIE 2008 ( Xi’an, China ) from: 29/07/2008 to: 01/08/2008 , 94 - 99 .
Oikonomopoulos A, Pantic M, Patras I ( 2008 ) . B-spline Polynomial Descriptors for Human Activity Recognition . 2008 IEEE COMPUTER SOCIETY CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION WORKSHOPS, VOLS 1-3 . 1622 - 1627 .
Oikonomopoulos A, Pantic M, Patras I ( 2008 ) . B-spline polynomial descriptors for human activity recognition . CVPR Workshops . 1 - 6 .
Patras I, Andreopoulos Y ( 2008 ) . Incremental salient point detection . 2008 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, VOLS 1-12 . 1337 - 1340 .
Passino G, Patras I, Izquierdo E ( 2008 ) . ON THE ROLE OF STRUCTURE IN PART-BASED OBJECT DETECTION . 2008 15TH IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOLS 1-5 . 65 - 68 .
PATRAS I, Lagendijk RL, 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 .
Patras I, Hendriks EA, Lagendijk RL ( 2007 ) . Probabilistic confidence measures for block matching motion estimation . IEEE T CIRC SYST VID vol. 17 , ( 8 ) 988 - 995 .
PATRAS I, Hancock ER ( 2007 ) . Regression-ased Template Tracking in Presence of Occlusions . Conference: International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS), Santorini, Greece
Pogalin E, Redert A, Patras I, Hendriks EA ( 2007 ) . Gaze tracking by using factorized likelihoods particle filtering and stereo vision . Third International Symposium on 3D Data Processing, Visualization, and Transmission, Proceedings . Editors: Pollefeys, M, Daniilidis, K , 57 - 64 .
PATRAS I, Paragios N, Oikonomopoulos A, 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, Pentland, A et al. , Springer ( Lecture Notes in Artifical Intelligence - Volume 4451 ),
Patras I, Hancock ER ( 2007 ) . Regression tracking with data relevance determination . 2007 IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION, VOLS 1-8 . 2062 - 2069 .
Patras I, Hancock E ( 2007 ) . Template tracking with observation relevance determination . 2007 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOLS 1-7 . 501 - 504 .
Oikonomopoulos A, Patras I, Pantic M, Paragios N ( 2007 ) . Trajectory-based representation of human actions . Artificial Intelligence for Human Computing . Editors: Huang, TS, Nijholt, A, Pantic, M, Pentland, A et al. , vol. 4451 , 133 - 154 .
PATRAS I, Pantic M, Oikonomopoulos A ( 2006 ) . Kernel-based Recognition of Human Actions Using Spatiotemporal Salient Points . Conference: Proceedings of IEEE International Conference on Computer Vision and Pattern Recognition, Workshop on Vision for HCI, New York, USA - June 2006
Oikonomopoulos A, Patras I, Pantic M ( 2006 ) . Spatiotemporal salient points for visual recognition of human actions . IEEE Trans Syst Man Cybern B Cybern vol. 36 , ( 3 ) 710 - 719 .
Pantic M, 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 .
Diplaros A, Gevers T, Patras I ( 2006 ) . Combining color and shape information for illumination-viewpoint invariant object recognition . IEEE Trans Image Process vol. 15 , ( 1 ) 1 - 11 .
PATRAS I, Valstar MF, Pantic M ( 2005 ) . Learning Spatiotemporal Models of Facial Expressions . Conference: International Conference on Measuring Behaviour, Wageningen - September 2005
PATRAS I, Pantic M, Valstar MF ( 2005 ) . Facial Action Unit Detection Using Probabilistically Actively Learned Support Vector Machines on Tracked Facial Point Data . Conference: Proceedings of IEEE International Confernece on Computer Visision and Pattern Recognition, workshop on Vision for HCI, San Diego, USA - June 2005
Pantic M, Patras I ( 2005 ) . Detecting facial actions and their temporal segments in nearly frontal-view face image sequences . INTERNATIONAL CONFERENCE ON SYSTEMS, MAN AND CYBERNETICS, VOL 1-4, PROCEEDINGS . 3358 - 3363 .
Oikonomopoulos A, Patras I, Pantic M ( 2005 ) . Spatiotemporal saliency for human action recognition . 2005 IEEE International Conference on Multimedia and Expo (ICME), Vols 1 and 2 . 430 - 433 .
Patras I, Pantic M ( 2005 ) . Tracking deformable motion . INTERNATIONAL CONFERENCE ON SYSTEMS, MAN AND CYBERNETICS, VOL 1-4, PROCEEDINGS . 1066 - 1071 .
Valstar M, Pantic M, Patras I ( 2004 ) . Motion history for facial action detection in video . Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics . vol. 1 , 635 - 640 .
Patras I, Worring M, van den Boomgaard R ( 2004 ) . Dense motion estimation using regularization constraints on local parametric models . IEEE Trans Image Process vol. 13 , ( 11 ) 1432 - 1443 .
PATRAS I, Pantic M, Valstar M ( 2004 ) . Multilevel Motion History for Facial Action Detection from Face Video . Conference: IEEE International Conference on Systems, Management and Cybernetics, Den Haag, The Netherlands - October 2005
Diplaros A, Gevers T, Patras I ( 2004 ) . Combining color and shape information for content-based image retrieval on the Internet . INTERNET IMAGING V . Editors: Santini, S, Schettini, R , vol. 5304 , 132 - 141 .
Valstar M, Patras I, Pantic M ( 2004 ) . Facial action unit recognition using temporal templates . RO-MAN 2004: 13TH IEEE INTERNATIONAL WORKSHOP ON ROBOT AND HUMAN INTERACTIVE COMMUNICATION, PROCEEDINGS . 253 - 258 .
Winkelman F, Patras I ( 2004 ) . Online globally consistent mosaicing using an efficient representation . 2004 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN & CYBERNETICS, VOLS 1-7 . 3116 - 3121 .
Patras I, Pantic M ( 2004 ) . Particle filtering with factorized likelihoods for tracking facial features . SIXTH IEEE INTERNATIONAL CONFERENCE ON AUTOMATIC FACE AND GESTURE RECOGNITION, PROCEEDINGS . 97 - 102 .
Pantic M, Patras I ( 2004 ) . Temporal modeling of facial actions from face profile image sequences . 2004 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXP (ICME), VOLS 1-3 . 49 - 52 .
PATRAS I, Gevers T, Diplaros A ( 2003 ) . Color-Shape Context for Object Recognition . Conference: IEEE Workshop on Color and Photometric Methods in Computer Vision (in conjunction with ICCV 2003), Nice, France
Patras I, Hendriks EA, Lagendijk RL ( 2003 ) . Semi-automatic object-based video segmentation with labeling of color segments . SIGNAL PROCESS-IMAGE vol. 18 , ( 1 ) 51 - 65 .
PATRAS I, Raaijmakers S, Snoek C, van Rest J, Worring M, van Leeuwen D, den Hartog J, Vendring J ( 2002 ) . TREC Feature Extraction by Active Learning . Conference: 11th Text Retrieval Confernece (TREC), Gaithersburg, MD - November 2002
Patras I, Hendriks EA, Lagendijk RL ( 2002 ) . Confidence measures for block matching motion estimation . 2002 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOL II, PROCEEDINGS . 277 - 280 .
Pantic M, Patras I, Rothkrantz L ( 2002 ) . Facial action recognition in face profile image sequences . IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOL I AND II, PROCEEDINGS . 37 - 40 .
Patras I, Worring M ( 2002 ) . Regularized patch motion estimation . 16TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL I, PROCEEDINGS . Editors: Kasturi, R, Laurendeau, D, Suen, C , 323 - 326 .
Patras I, Hendriks EA, Lagendijk RL ( 2001 ) . Video segmentation by MAP labeling of watershed segments . IEEE T PATTERN ANAL vol. 23 , ( 3 ) 326 - 332 .
PATRAS I, List J, Geusebroek J-M, den Hartog J, Hiemstra D, van Ballegooij A, Worring M, Snoek C et al. ( 2001 ) . Lazy Users and Automatic Video Retrieval Tools in (the) Lowlands . Conference: Proceedings of the 10th Text Retrieval Conference (TREC), NIST 2001
PATRAS I, Hendriks EA, Broekhoven M, 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 .
Patras I, Hendriks EA, Lagendijk RL ( 1998 ) . Iterative motion estimation - segmentation method using watershed segments . IEEE International Conference on Image Processing . vol. 2 , 642 - 646 .
Patras IK, Hendriks EA, Tziritas GG ( 1997 ) . Construction of multiple views using jointly estimated motion and disparity fields . Proceedings of SPIE . Conference: Visual Communications and Image Processing '97 vol. 3024 , 380 - 390 .
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