Vasileios Mezaris
Electrical and Computer Engineer, Ph.D.
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JOURNAL PAPERS BOOKS & CHAPTERS CONFERENCE PAPERS PATENTS & THESES  

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Conference papers:
  1. I. Kontostathis, E. Apostolidis, K. Apostolidis, V. Mezaris, "Enhancing User Control in AI-Based Video Summarization for Social Media", Proc. 31st Int. Conf. on MultiMedia Modeling (MMM 2025), Nara, Japan, Jan. 2025.
  2. N. Pantelidis, D. Georgalis, M. Pegia, D. Galanopoulos, K. Apostolidis, K. Stavrothanasopoulos, A. Moumtzidou, K. Gkountakos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "VERGE in VBS 2025", Proc. 31st Int. Conf. on MultiMedia Modeling (MMM 2025), Nara, Japan, Jan. 2025.
  3. M. Tzelepi, V. Mezaris, "LMM-Regularized CLIP Embeddings for Image Classification", Proc. 26th Int. Symp. on Multimedia (ISM 2024), Tokyo, Japan, Dec. 2024.  http://arxiv.org/abs/2412.11663  [slides]
  4. K. Gkountakos, D. Galanopoulos, A. Leventakis, G. Tsionkis, K. Stavrothanasopoulos, K. Ioannidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2024", Proc. TRECVID 2024 Workshop, Nov. 2024.
  5. M. Tzelepi, V. Mezaris, "Disturbing Image Detection Using LMM-Elicited Emotion Embeddings", Proc. LVLM Workshop @ 2024 IEEE Int. Conf. on Image Processing (ICIP 2024), Abu Dhabi, UAE, Oct. 2024. DOI:10.1109/ICIPCW64161.2024.10769133.  http://arxiv.org/abs/2406.12668.  [slides]
  6. M. Tzelepi, V. Mezaris, "Online Anchor-based Training for Image Classification Tasks", Proc. 2024 IEEE Int. Conf. on Image Processing (ICIP 2024), Abu Dhabi, UAE, pp. 1099-1105, Oct. 2024. DOI:10.1109/ICIP51287.2024.10648148  http://arxiv.org/abs/2406.12662.
  7. L. Nixon, D. Galanopoulos, V. Mezaris, "Finding video shots for immersive journalism through text-to-video search", Proc. 21st Int. Conf. on Content-based Multimedia Indexing (CBMI), Reykjavik, Iceland, Sept. 2024.  https://zenodo.org/records/13791615.
  8. L. Nixon, D. Galanopoulos, V. Mezaris, A. Hubmann-Haidvogel, D. Fischl, A. Scharl, "Video Shot Discovery through Text2Video Embeddings in a News Analytics Dashboard", Proc. 21st Int. Conf. on Content-based Multimedia Indexing (CBMI), Reykjavik, Iceland, Sept. 2024.  https://zenodo.org/records/13792237.
  9. N. Pantelidis, M. Pegia, D. Galanopoulos, K. Apostolidis, D. Georgalis, K. Stavrothanasopoulos, A. Moumtzidou, K. Gkountakos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "VERGE: Simplifying Video Search for Novice Users", Proc. 21st Int. Conf. on Content-based Multimedia Indexing (CBMI), Reykjavik, Iceland, Sept. 2024.
  10. M. Tzelepi, V. Mezaris, "Prototype Anchoring for Image Classification Tasks", Proc. 32nd European Signal Processing Conf. (EUSIPCO 2024), Lyon, France, Aug. 2024. https://ieeexplore.ieee.org/document/10715272  
  11. I. Kontostathis, E. Apostolidis, V. Mezaris, "A Human-Annotated Video Dataset for Training and Evaluation of 360-Degree Video Summarization Methods", Proc. 1st Int. Workshop on Video for Immersive Experiences (Video4IMX-2024) at ACM IMX 2024, Stockholm, Sweden, June 2024. DOI:10.1145/3672406.3672417.  http://arxiv.org/abs/2406.02991. Software available at https://github.com/IDT-ITI/360-VSumm.  [slides]
  12. K. Apostolidis, J. Abesser, L. Cuccovillo, V. Mezaris, "Visual and audio scene classification for detecting discrepancies in video: a baseline method and experimental protocol", Proc. ACM Int. Workshop on Multimedia AI against Disinformation (MAD’24) at the ACM Int. Conf. on Multimedia Retrieval (ICMR’24), Thailand, June 2024. DOI:10.1145/3643491.3660287.  https://arxiv.org/abs/2405.00384. Software available at https://github.com/IDT-ITI/Visual-Audio-Discrepancy-Detection.  [slides]
  13. K. Tsigos, E. Apostolidis, S. Baxevanakis, S. Papadopoulos, V. Mezaris, "Towards Quantitative Evaluation of Explainable AI Methods for Deepfake Detection", Proc. ACM Int. Workshop on Multimedia AI against Disinformation (MAD’24) at the ACM Int. Conf. on Multimedia Retrieval (ICMR’24), Thailand, June 2024. DOI:10.1145/3643491.3660292.  https://arxiv.org/abs/2404.18649. Software available at https://github.com/IDT-ITI/XAI-Deepfakes.  [slides]
  14. M. Tzelepi, V. Mezaris, "Exploiting LMM-based knowledge for image classification tasks", Proc. 25th Int. Conf. on Engineering Applications of Neural Networks (EANN/EAAAI 2024), Corfu, Greece, Springer CCIS vol. 2141, pp. 166-177, June 2024. DOI:10.1007/978-3-031-62495-7_13.  http://arxiv.org/abs/2406.03071.  [slides]
  15. A. Leventakis, D. Galanopoulos, V. Mezaris, "Cross-modal Networks, Fine-Tuning, Data Augmentation and Dual Softmax Operation for MediaEval NewsImages 2023", Proc. 2023 Multimedia Evaluation Workshop (MediaEval'23), Amsterdam, NL, Feb. 2024.    [slides]
  16. K. Triaridis, V. Mezaris, "Exploring Multi-Modal Fusion for Image Manipulation Detection and Localization", Proc. 30th Int. Conf. on MultiMedia Modeling (MMM 2024), Amsterdam, NL, Springer LNCS vol. 14556, pp. 198–211, Jan.-Feb. 2024. DOI:10.1007/978-3-031-53311-2_15.  https://arxiv.org/abs/2312.01790v1. Software available at https://github.com/IDT-ITI/MMFusion-IML.  [slides]
  17. I. Kontostathis, E. Apostolidis, V. Mezaris, "An Integrated System for Spatio-Temporal Summarization of 360-degrees Videos", Proc. 30th Int. Conf. on MultiMedia Modeling (MMM 2024), Amsterdam, NL, Springer LNCS vol. 14557, pp. 202–215, Jan.-Feb. 2024. DOI:10.1007/978-3-031-53302-0_15.  https://arxiv.org/abs/2312.02576. Software available at https://github.com/IDT-ITI/CA-SUM-360.  [slides]
  18. E. Apostolidis, K. Apostolidis, V. Mezaris, "Facilitating the Production of Well-tailored Video Summaries for Sharing on Social Media", Proc. 30th Int. Conf. on MultiMedia Modeling (MMM 2024), Amsterdam, NL, Springer LNCS vol. 14557, pp. 271-278, Jan.-Feb. 2024. DOI:10.1007/978-3-031-53302-0_21.  https://arxiv.org/abs/2312.02616.
  19. N. Pantelidis, M. Pegia, D. Galanopoulos, K. Apostolidis, K. Stavrothanasopoulos, A. Moumtzidou, K. Gkountakos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, B. Jonsson, "VERGE in VBS 2024", Proc. 30th Int. Conf. on MultiMedia Modeling (MMM 2024), Amsterdam, NL, Springer LNCS vol. 14557, pp. 356–363, Jan.-Feb. 2024. DOI:10.1007/978-3-031-53302-0_32.
  20. K. Gkrispanis, N. Gkalelis, V. Mezaris, "Filter-Pruning of Lightweight Face Detectors Using a Geometric Median Criterion", Proc. IEEE/CVF Winter Conference on Applications of Computer Vision Workshops (WACVW 2024), Waikoloa, Hawaii, USA, Jan. 2024. DOI:10.1109/WACVW60836.2024.00037. https://arxiv.org/abs/2311.16613. Software available at https://github.com/IDT-ITI/Lightweight-Face-Detector-Pruning.  
  21. D. Daskalakis, N. Gkalelis, V. Mezaris, "Masked Feature Modelling for the unsupervised pre-training of a Graph Attention Network block for bottom-up video event recognition", Proc. 25th IEEE Int. Symp. on Multimedia (ISM 2023), Laguna Hills, CA, USA, Dec. 2023. DOI:10.1109/ISM59092.2023.00047.  https://arxiv.org/abs/2308.12673. Software available at https://github.com/bmezaris/masked-ViGAT.    [slides]
  22. D. Galanopoulos, V. Mezaris, "ITI-CERTH participation in AVS Task of TRECVID 2023", Proc. TRECVID 2023 Workshop, Nov. 2023.  
  23. E. Apostolidis, V. Mezaris, I. Patras, "A Study on the Use of Attention for Explaining Video Summarization", Proc. NarSUM workshop at ACM Multimedia 2023 (ACM MM), Ottawa, Canada, Oct.-Nov. 2023. DOI:10.1145/3607540.3617138.  
  24. E. Apostolidis, G. Balaouras, V. Mezaris, I. Patras, "Selecting a Diverse Set of Aesthetically-pleasing and Representative Video Thumbnails using Reinforcement Learning", IEEE Int. Conf. on Image Processing (ICIP 2023), Kuala Lumpur, Malaysia, Oct. 2023. DOI:10.1109/ICIP49359.2023.10222743. Software available at https://github.com/e-apostolidis/RL-DiVTS.  
  25. M. Papadogiorgaki, K. Apostolidis, G. Livanos, E. Bei, S. Zafeiris, G. Klados, V. Mezaris, M. Zervakis, "A Content Recommendation Platform for People with Intellectual Disability", 3rd Int. Workshop on Artificial Intelligence for Information, Communications, and Applications (AIICA 2023) at the 14th Int. Conf. on Ubiquitous and Future Networks (ICUFN), Paris, France, July 2023. DOI:10.1109/ICUFN57995.2023.10199882.  
  26. D. Galanopoulos, V. Mezaris, "Cross-modal networks and dual softmax operation for MediaEval NewsImages 2022", Proc. 2022 Multimedia Evaluation Workshop (MediaEval'22), CEUR vol. 3583, Bergen, Norway, Jan. 2023.    [slides]
  27. N. Pantelidis, S. Andreadis, M. Pegia, A. Moumtzidou, D. Galanopoulos, K. Apostolidis, D. Touska, K. Gkountakos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "VERGE in VBS 2023", Proc. 29th Int. Conf. on Multimedia Modeling (MMM), Bergen, Norway, Springer LNCS vol. 13833, pp. 658-664, Jan. 2023. DOI:10.1007/978-3-031-27077-2_55.
  28. M. Ntrougkas, N. Gkalelis, V. Mezaris, "TAME: Attention Mechanism Based Feature Fusion for Generating Explanation Maps of Convolutional Neural Networks", Proc. IEEE Int. Symposium on Multimedia (ISM), Naples, Italy, pp. 58-65, Dec. 2022. DOI:10.1109/ISM55400.2022.00014. http://arxiv.org/abs/2301.07407. Software available at https://github.com/bmezaris/TAME.    [slides] Best Paper Award
  29. N. Gkalelis, D. Daskalakis, V. Mezaris, "Gated-ViGAT: Efficient bottom-up event recognition and explanation using a new frame selection policy and gating mechanism", Proc. IEEE Int. Symposium on Multimedia (ISM), Naples, Italy, pp. 113-120, Dec. 2022. DOI:10.1109/ISM55400.2022.00024. http://arxiv.org/abs/2301.07565. Software available at https://github.com/bmezaris/gated-vigat.    [slides]
  30. E. Apostolidis, G. Balaouras, V. Mezaris, I. Patras, "Explaining video summarization based on the focus of attention", Proc. IEEE Int. Symposium on Multimedia (ISM), Naples, Italy, pp. 146-150, Dec. 2022. DOI:10.1109/ISM55400.2022.00029. Software available at https://github.com/e-apostolidis/XAI-SUM.    [slides]
  31. K. Gkountakos, D. Galanopoulos, D. Touska, K. Ioannidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2022", Proc. TRECVID 2022 Workshop, Dec. 2022.    [slides]
  32. I. Gkartzonika, N. Gkalelis, V. Mezaris, "Learning Visual Explanations for DCNN-Based Image Classifiers Using an Attention Mechanism", Proc. ECCV 2022 Workshop on Vision with Biased or Scarce Data (VBSD), Springer LNCS vol. 13808, pp. 396-411, Oct. 2022. DOI:10.1007/978-3-031-25085-9_23. https://arxiv.org/abs/2209.11189. Software available at https://github.com/bmezaris/L-CAM.  [slides]
  33. D. Galanopoulos, V. Mezaris, "Are All Combinations Equal? Combining Textual and Visual Features with Multiple Space Learning for Text-Based Video Retrieval", Proc. ECCV 2022 Workshop on AI for Creative Video Editing and Understanding (CVEU), Springer LNCS vol. 13804, pp. 627–643, Oct. 2022. DOI:10.1007/978-3-031-25069-9_40. https://arxiv.org/abs/2211.11351. Software available at https://github.com/bmezaris/TextToVideoRetrieval-TtimesV.  [slides]
  34. E. Apostolidis, G. Balaouras, V. Mezaris, I. Patras, "Summarizing videos using concentrated attention and considering the uniqueness and diversity of the video frames", Proc. ACM Int. Conf. on Multimedia Retrieval (ICMR’22), Newark, NJ, USA, pp. 407-415, June 2022. DOI:10.1145/3512527.3531404. Software available at https://github.com/e-apostolidis/CA-SUM.    [slides]
  35. S. Andreadis, A. Moumtzidou, D. Galanopoulos, N. Pantelidis, K. Apostolidis, D. Touska, K. Gkountakos, M. Pegia, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "VERGE in VBS 2022", Proc. 28th Int. Conf. on Multimedia Modeling (MMM), Phu Quoc, Vietnam, Springer LNCS vol. 13142, pp. 530–536, June 2022. DOI:10.1007/978-3-030-98355-0_50.  
  36. E. Apostolidis, G. Balaouras, V. Mezaris, I. Patras, "Combining Global and Local Attention with Positional Encoding for Video Summarization", Proc. IEEE Int. Symposium on Multimedia (ISM), Dec. 2021. DOI:10.1109/ISM52913.2021.00045. Software available at https://github.com/e-apostolidis/PGL-SUM.    [slides]
  37. K. Apostolidis, V. Mezaris, "A Web Service for Video Smart-Cropping", Proc. IEEE Int. Symposium on Multimedia (ISM), Dec. 2021. DOI:10.1109/ISM52913.2021.00011. Software and dataset available at https://github.com/bmezaris/RetargetVid.    [slides]
  38. A. Pournaras, N. Gkalelis, D. Galanopoulos, V. Mezaris, "Combining Multiple Deep-learning-based Image Features for Visual Sentiment Analysis", Proc. MediaEval 2021 Workshop, CEUR vol. 3181, Dec. 2021.  
  39. K. Gkountakos, D. Galanopoulos, D. Touska, K. Ioannidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2021", Proc. TRECVID 2021 Workshop, Dec. 2021.  
  40. A. Pournaras, N. Gkalelis, D. Galanopoulos, V. Mezaris, "Exploiting Out-of-Domain Datasets and Visual Representations for Image Sentiment Classification", Proc. 16th Int. Workshop on Semantic and Social Media Adaptation & Personalization (SMAP), Nov. 2021. DOI:10.1109/SMAP53521.2021.9610801.  
  41. E. Apostolidis, E. Adamantidou, V. Mezaris, I. Patras, "Combining Adversarial and Reinforcement Learning for Video Thumbnail Selection", ACM Int. Conf. on Multimedia Retrieval (ICMR), Taipei, Taiwan, Nov. 2021. DOI:10.1145/3460426.3463630. Software available at https://github.com/e-apostolidis/Video-Thumbnail-Selector.    [slides]
  42. D. Galanopoulos, V. Mezaris, "Hard-negatives or Non-negatives? A hard-negative selection strategy for cross-modal retrieval using the improved marginal ranking loss", Proc. IEEE/CVF International Conference on Computer Vision Workshops (ICCVW), pp. 2312-2316, Oct. 2021. DOI:10.1109/ICCVW54120.2021.00261.    [slides]
  43. K. Apostolidis, V. Mezaris, "A Fast Smart-Cropping Method and Dataset for Video Retargeting", Proc. 28th IEEE Int. Conf. on Image Processing (ICIP), Anchorage, Alaska, US, Sept. 2021. DOI:10.1109/ICIP42928.2021.9506390. Software and dataset available at https://github.com/bmezaris/RetargetVid    [slides]
  44. D. Galanopoulos, E. Elejalde, A. Pournaras, C. Niederée, V. Mezaris, "Automatic and Semi-automatic Augmentation of Migration Related Semantic Concepts for Visual Media Retrieval", Proc. Workshop on Open Challenges in Online Social Networks (OASIS) @ the 32nd ACM Conference on Hypertext and Social Media (ACM HT'21), Dublin, Ireland, Aug.-Sept. 2021. DOI:10.1145/3472720.3483618.    [slides]
  45. N. Gkalelis, A. Goulas, D. Galanopoulos, V. Mezaris, "ObjectGraphs: Using Objects and a Graph Convolutional Network for the Bottom-up Recognition and Explanation of Events in Video", Proc. IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), pp. 3370-3378, June 2021. DOI:10.1109/CVPRW53098.2021.00376. Software available at https://github.com/bmezaris/ObjectGraphs    [slides]
  46. L. Nixon, K. Apostolidis, E. Apostolidis, D. Galanopoulos, V. Mezaris, B. Philipp, R. Bocyte, "Content Wizard: demo of a trans-vector digital video publication tool", Proc. ACM Int. Conf. on Interactive Media Experiences (IMX), June 2021. DOI:10.1145/3452918.3468083.  
  47. F. Tsalakanidou, S. Papadopoulos, V. Mezaris, I. Kompatsiaris, B. Gray, D. Tsabouraki, M. Kalogerini, F. Negro, M. Montagnuolo, J. de Vos, P. van Kemenade, D. Gravina, R. Mignot, A. Ozerov, F. Schnitzler, A. Garcia-Saez, G. Yannakakis, A. Liapis, G. Kostadinov, "The AI4Media project: Use of Next-generation Artificial Intelligence Technologies for Media Sector Applications", Proc. 17th Artificial Intelligence Applications and Innovations Conference (AIAI), Crete, Greece, June 2021. DOI:10.1007/978-3-030-79150-6_7.
  48. S. Andreadis, A. Moumtzidou, K. Gkountakos, N. Pantelidis, K. Apostolidis, D. Galanopoulos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "VERGE in VBS 2021", Proc. 27th Int. Conf. on Multimedia Modeling (MMM2021), Prague, CZ, Springer LNCS vol. 12573, pp. 398–404, June 2021. DOI:10.1007/978-3-030-67835-7_35.  
  49. N. Gkalelis, V. Mezaris, "Structured Pruning of LSTMs via Eigenanalysis and Geometric Median for Mobile Multimedia and Deep Learning Applications", Proc. 22nd IEEE Int. Symposium on Multimedia (ISM), Dec. 2020. DOI:10.1109/ISM.2020.00028. Software available at https://github.com/bmezaris/lstm_structured_pruning_geometric_median    [slides]
  50. K. Gkountakos, D. Galanopoulos, M. Mpakratsas, D. Touska, A. Moumtzidou, K. Ioannidis, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, “ITI-CERTH participation in TRECVID 2020”, Proc. TRECVID 2020 Workshop, Gaithersburg, MD, USA, Dec. 2020.  
  51. E. Apostolidis, E. Adamantidou, A. Metsai, V. Mezaris, I. Patras, "Performance over Random: A robust evaluation protocol for video summarization methods", Proc. ACM Multimedia 2020 (ACM MM), Seattle, WA, USA, Oct. 2020. DOI:10.1145/3394171.3413632. Software available at https://github.com/e-apostolidis/PoR-Summarization-Measure    [slides]
  52. M. Zwicklbauer, W. Lamm, M. Gordon, K. Apostolidis, B. Philipp, V. Mezaris, "Video Analysis for Interactive Story Creation: The Sandmännchen Showcase", Proc. AI4TV workshop at ACM Multimedia 2020 (ACM MM), Seattle, WA, USA, Oct. 2020. DOI:10.1145/3422839.3423061.  
  53. R. Troncy, J. Laaksonen, H. Tavakoli, L. Nixon, V. Mezaris, M. Hosseini, "AI4TV 2020: 2nd International Workshop on AI for Smart TV Content Production, Access and Delivery", Proc. ACM Multimedia 2020 (ACM MM), Seattle, WA, USA, Oct. 2020. DOI:10.1145/3394171.3421894.  
  54. E. Elejalde, D. Galanopoulos, C. Niederee, V. Mezaris, "Migration-Related Semantic Concepts for the Retrieval of Relevant Video Content", Proc. Int. Workshop on Artificial Intelligence and Robotics for Law Enforcement Agencies (AIRLEAs) at the 3rd Int. Conf. on Intelligent Technologies and Applications (INTAP 2020), Gjovik, Norway, Springer CCIS, vol. 1382, pp. 404-416, Sept. 2020. DOI:10.1007/978-3-030-71711-7_34.  
  55. D. Galanopoulos, V. Mezaris, "Attention Mechanisms, Signal Encodings and Fusion Strategies for Improved Ad-hoc Video Search with Dual Encoding Networks", Proc. ACM Int. Conf. on Multimedia Retrieval (ICMR 2020), Dublin, Ireland, 2020. DOI:10.1145/3372278.3390737. Software available at https://github.com/bmezaris/AVS_dual_encoding_attention_network  
  56. N. Gkalelis, V. Mezaris, "Fractional Step Discriminant Pruning: A Filter Pruning Framework for Deep Convolutional Neural Networks", Proc. 7th IEEE Int. Workshop on Mobile Multimedia Computing (MMC2020) at the IEEE Int. Conf. on Multimedia and Expo (ICME), London, UK, July 2020. DOI:10.1109/ICMEW46912.2020.9105979. Software available at https://github.com/bmezaris/fractional_step_discriminant_pruning_dcnn    [slides]
  57. M. Papadogiorgaki, V. Mezaris, N. Grammalidis, K. Grigoriadis, E. Bei, G. Livanos, M. Zervakis, "Quality of Life Support System for People with Intellectual Disability", Proc. 13th ACM Int. Conf. on Pervasive Technologies Related to Assistive Environments (PETRA 2020), Corfu, Greece, June-July 2020. DOI:10.1145/3389189.3397971.  
  58. C. Collyda, K. Apostolidis, E. Apostolidis, E. Adamantidou, A. Metsai, V. Mezaris, "A Web Service for Video Summarization", Proc. ACM Int. Conf. on Interactive Media Experiences (IMX 2020), Barcelona, Spain, June 2020. DOI:10.1145/3391614.3399391. Demo available at http://multimedia2.iti.gr/videosummarization/service/start.html  
  59. E. Apostolidis, E. Adamantidou, A. Metsai, V. Mezaris, I. Patras, "Unsupervised Video Summarization via Attention-Driven Adversarial Learning", Proc. 26th Int. Conf. on Multimedia Modeling (MMM2020), Daejeon, Korea, Springer LNCS vol. 11961, pp. 492-504, Jan. 2020. Software available at https://github.com/e-apostolidis/SUM-GAN-AAE   [slides] Best Paper Award
  60. N. Gkalelis, V. Mezaris, "Subclass deep neural networks: re-enabling neglected classes in deep network training for multimedia classification", Proc. 26th Int. Conf. on Multimedia Modeling (MMM2020), Daejeon, Korea, Springer LNCS vol. 11961, pp. 227-238, Jan. 2020. Software available at https://github.com/bmezaris/subclass_deep_neural_networks   [slides]
  61. S. Andreadis, A. Moumtzidou, K. Apostolidis, K. Gkountakos, D. Galanopoulos, E. Michail, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "VERGE IN VBS 2020", Proc. 26th Int. Conf. on Multimedia Modeling (MMM2020), Daejeon, Korea, Springer LNCS vol. 11962, pp 778-783, Jan. 2020.  
  62. E. Apostolidis, A. Metsai, E. Adamantidou, V. Mezaris, I. Patras, "A Stepwise, Label-based Approach for Improving the Adversarial Training in Unsupervised Video Summarization", Proc. 1st Int. Workshop on AI for Smart TV Content Production, Access and Delivery (AI4TV'19) at ACM Multimedia 2019, Nice, France, October 2019. Software available at https://github.com/e-apostolidis/SUM-GAN-sl  
  63. R. Troncy, J. Laaksonen, H. Tavakoli, L. Nixon, V. Mezaris, "AI4TV 2019: 1st International Workshop on AI for Smart TV Content Production, Access and Delivery", Proc. ACM Multimedia 2019, Nice, France, October 2019.  
  64. J. Foss, B. Shirley, B. Malheiro, S. Kepplinger, L. Nixon, B. Philipp, V. Mezaris, A. Ulisses, "DataTV 2019: 1st International Workshop on Data Driven Personalisation of Television", Proc. ACM Int. Conf. on Interactive Experiences for TV and Online Video (TVX 2019), Manchester, UK, June 2019.
  65. K. Apostolidis, V. Mezaris, "Image Aesthetics Assessment using Fully Convolutional Neural Networks", Proc. 25th Int. Conf. on Multimedia Modeling (MMM2019), Thessaloniki, Greece, Springer LNCS vol. 11295, pp. 361-373, Jan. 2019. Software available at https://github.com/bmezaris/fully_convolutional_networks  
  66. M. Zampoglou, F. Markatopoulou, G. Mercier, D. Touska, E. Apostolidis, S. Papadopoulos, R. Cozien, I. Patras, V. Mezaris, I. Kompatsiaris, "Detecting tampered videos with multimedia forensics and deep learning", Proc. 25th Int. Conf. on Multimedia Modeling (MMM2019), Thessaloniki, Greece, Springer LNCS vol. 11295, pp. 374-386, Jan. 2019.  
  67. L. Nixon, E. Apostolidis, F. Markatopoulou, I. Patras, V. Mezaris, "Hybrid Video Annotation for Retrieval and Discovery of Newsworthy Video in a News Verification Scenario", Proc. 25th Int. Conf. on Multimedia Modeling (MMM2019), Thessaloniki, Greece, Springer LNCS vol. 11295, pp. 143-155, Jan. 2019.  
  68. D. Galanopoulos, V. Mezaris, "Temporal Lecture Video Fragmentation using Word Embeddings", Proc. 25th Int. Conf. on Multimedia Modeling (MMM2019), Thessaloniki, Greece, Springer LNCS vol. 11296, pp. 254-265, Jan. 2019. Dataset available at https://github.com/bmezaris/lecture_video_fragmentation  
  69. I. Vagliano, A. Fessl, F. Guenther, T. Koehler, V. Mezaris, A. Saleh, A. Scherp, I. Simic, "Training Researchers with the MOVING Platform", Proc. 25th Int. Conf. on Multimedia Modeling (MMM2019), Thessaloniki, Greece, Springer LNCS vol. 11296, pp. 560-565, Jan. 2019.  
  70. S. Andreadis, A. Moumtzidou, D. Galanopoulos, F. Markatopoulou, K. Apostolidis, T. Mavropoulos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "VERGE in VBS 2019", Proc. 25th Int. Conf. on Multimedia Modeling (MMM2019), Thessaloniki, Greece, Springer LNCS vol. 11296, pp. 602-608, Jan. 2019.  
  71. K. Avgerinakis, A. Moumtzidou, D. Galanopoulos, G. Orfanidis, S. Andreadis, F. Markatopoulou, E. Batziou, K. Ioannidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation in TRECVID 2018", Proc. TRECVID 2018 Workshop, Gaithersburg, MD, USA, Nov. 2018.  
  72. K. Apostolidis, E. Apostolidis, V. Mezaris, "A motion-driven approach for fine-grained temporal segmentation of user-generated videos", Proc. 24th Int. Conf. on Multimedia Modeling (MMM2018), Bangkok, Thailand, Feb. 2018.  
  73. A. Moumtzidou, S. Andreadis, F. Markatopoulou, D. Galanopoulos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "VERGE in VBS 2018", Proc. 24th Int. Conf. on Multimedia Modeling (MMM2018), Bangkok, Thailand, Feb. 2018.  
  74. F. Markatopoulou, A. Moumtzidou, D. Galanopoulos, K. Avgerinakis, S. Andreadis, I. Gialampoukidis, S. Tachos, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "ITI-CERTH participation in TRECVID 2017", Proc. TRECVID 2017 Workshop, Gaithersburg, MD, USA, Nov. 2017.  
  75. N. Gkalelis, V. Mezaris, "Incremental accelerated kernel discriminant analysis", Proc. ACM Multimedia 2017, Mountain View, CA, USA, October 2017. Software available at http://www.iti.gr/~bmezaris/downloads.html  
  76. D. Teyssou, J.-M. Leung, E. Apostolidis, K. Apostolidis, S. Papadopoulos, M. Zampoglou, O. Papadopoulou, V. Mezaris, "The InVID Plug-in: Web Video Verification on the Browser", Proc. Int. Workshop on Multimedia Verification (MuVer 2017) at ACM Multimedia 2017, Mountain View, CA, USA, October 2017. Software available at http://www.invid-project.eu/tools-and-services/invid-verification-plugin/  
  77. A. Scherp, V. Mezaris, T. Kohler, A. Hauptmann, "MultiEdTech 2017: 1st International Workshop on Multimedia-based Educational and Knowledge Technologies for Personalized and Social Online Training", Proc. ACM Multimedia 2017, Mountain View, CA, USA, October 2017.  
  78. V. Mezaris, L. Nixon, S. Papadopoulos, J. Spangenberg, "MuVer’17 - First International Workshop on Multimedia Verification", Proc. ACM Multimedia 2017, Mountain View, CA, USA, October 2017.  
  79. F. Markatopoulou, D. Galanopoulos, V. Mezaris, I. Patras, "Query and Keyframe Representations for Ad-hoc Video Search", Proc. ACM ICMR 2017, Bucharest, Romania, June 2017.  
  80. D. Galanopoulos, F. Markatopoulou, V. Mezaris, I. Patras, "Concept Language Models and Event-based Concept Number Selection for Zero-example Event Detection", Proc. ACM ICMR 2017, Bucharest, Romania, June 2017.    Best Poster Award
  81. C. Collyda, E. Apostolidis, A. Pournaras, F. Markatopoulou, V. Mezaris, I. Patras, "VideoAnalysis4ALL: An on-line tool for the automatic fragmentation and concept-based annotation, and the interactive exploration of videos", Proc. ACM ICMR 2017, Bucharest, Romania, June 2017.  
  82. A. Ceroni, V. Solachidis, C. Niederee, O. Papadopoulou, V. Mezaris, "Expo: An Expectation-oriented System for Selecting Important Photos from Personal Collections", Proc. ACM ICMR 2017, Bucharest, Romania, June 2017.  
  83. W. Mou, C. Tzelepis, V. Mezaris, H. Gunes, I. Patras, "Generic to Specific Recognition Models for Membership Analysis in Group Videos", Proc. 12th IEEE Int. Conf. on Automatic Face and Gesture Recognition (FG 2017), pp. 512-517, May-June 2017, Washington, DC, USA.  
  84. N. Pittaras, F. Markatopoulou, V. Mezaris, I. Patras, "Comparison of Fine-tuning and Extension Strategies for Deep Convolutional Neural Networks", Proc. 23rd Int. Conf. on MultiMedia Modeling (MMM'17), Reykjavik, Iceland, Springer LNCS vol. 10132, pp. 102-114, Jan. 2017.  [slides]
  85. A. Moumtzidou, T. Mironidis, F. Markatopoulou, S. Andreadis, I. Gialampoukidis, D. Galanopoulos, A. Ioannidou, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "VERGE in VBS 2017", Proc. 23rd Int. Conf. on MultiMedia Modeling (MMM'17), Reykjavik, Iceland, Springer LNCS vol. 10133, pp. 486-492, Jan. 2017.
  86. F. Markatopoulou, A. Moumtzidou, D. Galanopoulos, T. Mironidis, V. Kaltsa, A. Ioannidou, S. Symeonidis, K. Avgerinakis, S. Andreadis, I. Gialampoukidis, S. Vrochidis, A. Briassouli, V. Mezaris, I. Kompatsiaris, I. Patras, "ITI-CERTH participation in TRECVID 2016", Proc. TRECVID 2016 Workshop, Gaithersburg, MD, USA, Nov. 2016.  [slides]
  87. F. Markatopoulou, V. Mezaris, I. Patras, "Deep Multi-task Learning with Label Correlation Constraint for Video Concept Detection", Proc. ACM Multimedia 2016, Amsterdam, The Netherlands, Oct. 2016.
  88. S. Arestis-Chartampilas, N. Gkalelis, V. Mezaris, "AKSDA-MSVM: a GPU-accelerated multiclass learning framework for multimedia", Proc. ACM Multimedia 2016, Amsterdam, The Netherlands, Oct. 2016.
  89. F. Markatopoulou, V. Mezaris, I. Patras, "Online Multi-Task Learning for Semantic Concept Detection in Video", Proc. IEEE Int. Conf. on Image Processing (ICIP 2016), Phoenix, AZ, USA, Sept. 2016.  [slides]
  90. C. Tzelepis, E. Mavridaki, V. Mezaris, I. Patras, "Video Aesthetic Quality Assessment using Kernel Support Vector Machine with Isotropic Gaussian Sample Uncertainty (KSVM-iGSU)", Proc. IEEE Int. Conf. on Image Processing (ICIP 2016), Phoenix, AZ, USA, Sept. 2016.
  91. C. Tzelepis, V. Mezaris, I. Patras, "Video Event Detection using Kernel Support Vector Machine with Isotropic Gaussian Sample Uncertainty (KSVM-iGSU)", Proc. 22nd Int. Conf. on MultiMedia Modeling (MMM'16), Miami, FL, USA, Springer LNCS vol. 9516, pp. 3-15, Jan. 2016.
  92. F. Markatopoulou, V. Mezaris, I. Patras, "Ordering of Visual Descriptors in a Classifier Cascade Towards Improved Video Concept Detection", Proc. 22nd Int. Conf. on MultiMedia Modeling (MMM'16), Miami, FL, USA, Springer LNCS vol. 9516, pp. 874-885, Jan. 2016.
  93. A. Moumtzidou, T. Mironidis, E. Apostolidis, F. Markatopoulou, A. Ioannidou, I. Gialampoukidis, K. Avgerinakis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval", Proc. Video Browser Showdown (VBS) at the 22nd Int. Conf. on MultiMedia Modeling (MMM'16), Miami, FL, USA, Springer LNCS vol. 9517, pp. 394-399, Jan. 2016.
  94. F. Markatopoulou, A. Ioannidou, C. Tzelepis, T. Mironidis, D. Galanopoulos, S. Arestis-Chartampilas, N. Pittaras, K. Avgerinakis, N. Gkalelis, A. Moumtzidou, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "ITI-CERTH participation to TRECVID 2015", Proc. TRECVID 2015 Workshop, Gaithersburg, MD, USA, Nov. 2015.
  95. S. Arestis-Chartampilas, N. Gkalelis, V. Mezaris, "GPU accelerated generalised subclass discriminant analysis for event and concept detection in video", Proc. ACM Multimedia 2015, Brisbane, Australia, Oct. 2015.
  96. K. Apostolidis, V. Mezaris, "Using Photo Similarity and Weighted Graphs for the Temporal Synchronization of Event-Centered Multi-User Photo Collections", Proc. 2nd ACM Workshop on Human Centered Event Understanding from Multimedia (HuEvent'15) at ACM Multimedia (MM'15), Brisbane, Australia, Oct. 2015.
  97. A. Scherp, V. Mezaris, B. Ionescu, F. De Natale, "About Events, Objects, and their Relationships: Human-centered Event Understanding from Multimedia", Proc. ACM Multimedia 2015, Brisbane, Australia, Oct. 2015.
  98. F. Markatopoulou, V. Mezaris, I. Patras, "Cascade of classifiers based on Binary, Non-binary and Deep Convolutional Network descriptors for video concept detection", Proc. IEEE Int. Conf. on Image Processing (ICIP 2015), Quebec City, Canada, Sept. 2015.
  99. E. Mavridaki, V. Mezaris, "A comprehensive aesthetic quality assessment method for natural images using basic rules of photography", Proc. IEEE Int. Conf. on Image Processing (ICIP 2015), Quebec City, Canada, Sept. 2015.  [software]
  100. K. Apostolidis, V. Mezaris, "CERTH at MediaEval 2015 Synchronization of Multi-User Event Media Task", Proc. MediaEval 2015 Workshop, CEUR vol. 1436, Wurzen, Germany, Sept. 2015.  
  101. N. Conci, F. De Natale, V. Mezaris, M. Matton, "Synchronization of Multi-User Event Media at MediaEval 2015: Task Description, Datasets, and Evaluation", Proc. MediaEval 2015 Workshop, CEUR vol. 1436, Wurzen, Germany, Sept. 2015.  
  102. G. Kalpakis, T. Tsikrika, F. Markatopoulou, N. Pittaras, S. Vrochidis, V. Mezaris, I. Patras, I. Kompatsiaris, "Concept Detection on Multimedia Web Resources about Home Made Explosives", Proc. Int. Workshop on Multimedia Forensics and Security (MFSec), held in conjunction with the 10th Int. Conf. on Availability, Reliability and Security (ARES), Toulouse, France, Aug. 2015.
  103. A. Ceroni, V. Solachidis, M. Fu, N. Kanhabua, O. Papadopoulou, C. Niederee, V. Mezaris, "Investigating Human Behaviors in Selecting Personal Photos to Preserve Memories", Proc. Int. Workshop on Human Memory-Inspired Multimedia Organization and Preservation (HMMP) at the IEEE Int. Conf. on Multimedia and Expo (ICME 2015), Torino, Italy, June-July 2015.  
  104. M. Fu, A. Ceroni, V. Solachidis, C. Niederee, O. Papadopoulou, N. Kanhabua, V. Mezaris, "Learning Personalized Expectation-oriented Photo Selection Models for Personal Photo Collections", Proc. Int. Workshop on Human Memory-Inspired Multimedia Organization and Preservation (HMMP) at the IEEE Int. Conf. on Multimedia and Expo (ICME 2015), Torino, Italy, June-July 2015.  
  105. K. Apostolidis, V. Solachidis, O. Papadopoulou, V. Mezaris, "Photo Collection Contextualization", Proc. Int. Workshop on Human Memory-Inspired Multimedia Organization and Preservation (HMMP) at the IEEE Int. Conf. on Multimedia and Expo (ICME 2015), Torino, Italy, June-July 2015.  
  106. O. Papadopoulou, V. Mezaris, "Exploiting multiple web resources towards collecting positive training samples for visual concept learning", Proc. ACM Int. Conf. on Multimedia Retrieval (ICMR 2015), Shanghai, China, June 2015.  
  107. A. Ceroni, V. Solachidis, C. Niederee, O. Papadopoulou, N. Kanhabua, V. Mezaris, "To Keep or not to Keep: An Expectation-oriented Photo Selection Method for Personal Photo Collections", Proc. ACM Int. Conf. on Multimedia Retrieval (ICMR 2015), Shanghai, China, June 2015.  
  108. F. Markatopoulou, N. Pittaras, O. Papadopoulou, V. Mezaris, I. Patras, "A Study on the Use of a Binary Local Descriptor and Color Extensions of Local Descriptors for Video Concept Detection", Proc. 21st Int. Conf. on MultiMedia Modeling (MMM'15), Sydney, Australia, Springer LNCS vol. 8935, pp. 282-293, Jan. 2015.  
  109. A. Moumtzidou, K. Avgerinakis, E. Apostolidis, F. Markatopoulou, K. Apostolidis, T. Mironidis, S. Vrochidis, V. Mezaris, Y. Kompatsiaris, I. Patras, "VERGE: A Multimodal Interactive Video Search Engine", Proc. 21st Int. Conf. on MultiMedia Modeling (MMM'15), Sydney, Australia, Springer LNCS vol. 8936, pp. 249-254, Jan. 2015.
  110. N. Gkalelis, F. Markatopoulou, A. Moumtzidou, D. Galanopoulos, K. Avgerinakis, N. Pittaras, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "ITI-CERTH participation to TRECVID 2014", Proc. TRECVID 2014 Workshop, Orlando, FL, USA, November 2014.  
  111. E. Apostolidis, V. Mezaris, M. Sahuguet, B. Huet, B. Cervenkova, D. Stein, S. Eickeler, J.-L. Redondo Garcia, R. Troncy, L. Pikora, "Automatic fine-grained hyperlinking of videos within a closed collection using scene segmentation", Proc. ACM Multimedia (MM'14), Orlando, FL, US, Nov. 2014.  
  112. C. Papagiannopoulou, V. Mezaris, "Concept-based image clustering and summarization of event-related image collections", Proc. 1st ACM Workshop on Human Centered Event Understanding from Multimedia (HuEvent'14) at ACM Multimedia (MM'14), Orlando, FL, US, Nov. 2014.  
  113. V. Mezaris, B. Huet, "Video Hyperlinking", Proc. ACM Multimedia (MM'14), Orlando, FL, US, Nov. 2014.     Tutorial slides: Part A, Part B, Part C.
  114. A. Scherp, V. Mezaris, B. Ionescu, F. De Natale, "Human-centered Event Understanding from Multimedia", Proc. ACM Multimedia (MM'14), Orlando, FL, US, Nov. 2014.  
  115. C. Spampinato, V. Mezaris, M. Cristani, "Summary Abstract for the 3rd ACM International Workshop on Multimedia Analysis for Ecological Data", Proc. ACM Multimedia (MM'14), Orlando, FL, US, Nov. 2014.  
  116. E. Mavridaki, V. Mezaris, "No-Reference blur assessment in natural images using Fourier transform and spatial pyramids", Proc. IEEE Int. Conf. on Image Processing (ICIP 2014), Paris, France, pp. 566-570, October 2014.  
  117. K. Apostolidis, C. Papagiannopoulou, V. Mezaris, "CERTH at MediaEval 2014 Synchronization of Multi-User Event Media Task", Proc. MediaEval 2014 Workshop, CEUR vol. 1263, Barcelona, Spain, October 2014.  
  118. H.A. Le, Q.M. Bui, B. Huet, B. Cervenkova, J. Bouchner, E. Apostolidis, F. Markatopoulou, A. Pournaras, V. Mezaris, D. Stein, S. Eickeler, M. Stadtschnitzer, "LinkedTV at MediaEval 2014 Search and Hyperlinking Task", Proc. MediaEval 2014 Workshop, CEUR vol. 1263, Barcelona, Spain, October 2014.  
  119. G. Petkos, S. Papadopoulos, V. Mezaris, Y. Kompatsiaris, "Social Event Detection at MediaEval 2014: Challenges, Datasets, and Evaluation", Proc. MediaEval 2014 Workshop, CEUR vol. 1263, Barcelona, Spain, October 2014.  
  120. N. Conci, F. De Natale, V. Mezaris, "Synchronization of Multi-User Event Media (SEM) at MediaEval 2014: Task Description, Datasets, and Evaluation", Proc. MediaEval 2014 Workshop, CEUR vol. 1263, Barcelona, Spain, October 2014.  
  121. L. Nixon, V. Mezaris, J. Thomsen, "Seamlessly interlinking TV and Web content to enable Linked Television", ACM Int. Conf. on Interactive Experiences for Television and Online Video (TVX 2014), Adjunct Proc., Newcastle Upon Tyne, UK, June 2014.  
  122. E. Apostolidis, V. Mezaris, "Fast Shot Segmentation Combining Global and Local Visual Descriptors", Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Florence, Italy, May 2014. Software available at https://mklab.iti.gr/results/video-shot-and-scene-segmentation/.  
  123. D. Tsatsou, V. Mezaris, "LUMO: The LinkedTV User Model Ontology", Proc. Extended Semantic Web Conference (ESWC'14), poster track, Anissaras, Crete, Greece, May 2014.  
  124. D. Tsatsou, S. Dasiopoulou, I. Kompatsiaris, V. Mezaris, "LiFR: A Lightweight Fuzzy DL Reasoner", Proc. Extended Semantic Web Conference (ESWC'14), poster track, Anissaras, Crete, Greece, May 2014.  
  125. N. Gkalelis, V. Mezaris, "Video event detection using generalized subclass discriminant analysis and linear support vector machines", Proc. ACM Int. Conf. on Multimedia Retrieval (ICMR), Glasgow, UK, April 2014.  
  126. G. Petkos, S. Papadopoulos, V. Mezaris, R. Troncy, P. Cimiano, T. Reuter, Y. Kompatsiaris, "Social Event Detection at MediaEval: a three-year retrospect of tasks and results", Proc. ACM ICMR 2014 Workshop on Social Events in Web Multimedia (SEWM), Glasgow, UK, April 2014.  
  127. T. Reuter, S. Papadopoulos, V. Mezaris, P. Cimiano, "ReSEED: Social Event dEtection Dataset", Proc. 5th ACM Multimedia Systems Conference (MMSys’14), Singapore, March 2014.  
  128. F. Markatopoulou, V. Mezaris, I. Kompatsiaris, "A Comparative Study on the Use of Multi-Label Classification Techniques for Concept-Based Video Indexing and Annotation", Proc. 20th Int. Conf. on MultiMedia Modeling (MMM'14), Dublin, Ireland, Springer LNCS vol. 8325, pp. 1-12, January 2014.    Best Paper Award
  129. A. Moumtzidou, K. Avgerinakis, E. Apostolidis, V. Aleksic, F. Markatopoulou, C. Papagiannopoulou, S. Vrochidis, V. Mezaris, R. Busch, I. Kompatsiaris, "VERGE: An Interactive Search Engine for Browsing Video Collections", Proc. Video Browser Showdown (VBS'14) at the 20th Int. Conf. on MultiMedia Modeling (MMM'14), Dublin, Ireland, Springer LNCS vol. 8326, pp. 411-414, January 2014.  
  130. F. Markatopoulou, A. Moumtzidou, C. Tzelepis, K. Avgerinakis, N. Gkalelis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation to TRECVID 2013", Proc. TRECVID 2013 Workshop, Gaithersburg, MD, USA, November 2013.  
  131. D. Stein, S. Eickeler, R. Bardeli, E. Apostolidis, V. Mezaris, M. Muller, "Think Before You Link - Meeting Content Constraints when Linking Television to the Web", Proc. 2013 NEM Summit, Nantes, France, October 2013.  
  132. D. Stein, A. Oktem, E. Apostolidis, V. Mezaris, J.L. Redondo Garcia, R. Troncy, M. Sahuguet, B. Huet, "From Raw Data to Semantically Enriched Hyperlinking: Recent Advances in the LinkedTV Analysis Workflow", Proc. 2013 NEM Summit, Nantes, France, October 2013.  
  133. C. Tzelepis, N. Gkalelis, V. Mezaris, I. Kompatsiaris, "Improving event detection using related videos and Relevance Degree Support Vector Machines", Proc. ACM Multimedia 2013 (MM’13), Barcelona, Spain, October 2013.  
  134. M. Sahuguet, B. Huet, B. Cervenkova, E. Apostolidis, V. Mezaris, D. Stein, S. Eickeler, J.L. Redondo Garcia, L. Pikora, "LinkedTV at MediaEval 2013 Search and Hyperlinking Task", Proc. MediaEval 2013 Workshop, CEUR vol. 1043, Barcelona, Spain, October 2013.  
  135. T. Reuter, S. Papadopoulos, G. Petkos, V. Mezaris, Y. Kompatsiaris, P. Cimiano, C. de Vries, S. Geva, "Social Event Detection at MediaEval 2013: Challenges, Datasets, and Evaluation", Proc. MediaEval 2013 Workshop, CEUR vol. 1043, Barcelona, Spain, October 2013.  
  136. N. Gkalelis, V. Mezaris, I. Kompatsiaris, T. Stathaki, "Video event recounting using mixture subclass discriminant analysis", Proc. IEEE International Conference on Image Processing (ICIP 2013), Melbourne, Australia, September 2013.  
  137. P. Sidiropoulos, V. Mezaris, I. Kompatsiaris, "Enhancing video concept detection with the use of tomographs", Proc. IEEE International Conference on Image Processing (ICIP 2013), Melbourne, Australia, September 2013.  
  138. L. Apostolidis, V. Mezaris, I. Kompatsiaris, "Fast object re-detection and localization in video for spatio-temporal fragment creation", Proc. 1st Int. Workshop on Media Fragment Creation and reMIXing (MMIX'13) at the IEEE Int. Conf. on Multimedia and Expo (ICME 2013), San Jose, CA, USA, July 2013.    [video demo]
  139. N. Gkalelis, V. Mezaris, M. Dimopoulos, I. Kompatsiaris, T. Stathaki, "Video event detection using a subclass recoding error-correcting output codes framework", Proc. IEEE Int. Conf. on Multimedia and Expo (ICME 2013), San Jose, CA, USA, July 2013.  
  140. S. Papadopoulos, E. Schinas, V. Mezaris, R. Troncy, I. Kompatsiaris, "The 2012 Social Event Detection Dataset", Proc. ACM Multimedia Systems 2013 (MMSys), Oslo, Norway, Feb.-March 2013.  [dataset]
  141. D. Tsatsou, V. Mezaris, I. Kompatsiaris, "Semantic personalisation in networked media: determining the background knowledge", Proc. 7th Int. Workshop on Semantic and Social Media Adaptation and Personalization (SMAP), Luxembourg, Dec. 2012.  
  142. A. Moumtzidou, N. Gkalelis, P. Sidiropoulos, M. Dimopoulos, S. Nikolopoulos, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation to TRECVID 2012", Proc. TRECVID 2012 Workshop, November 2012, Gaithersburg, MD, USA.  
  143. C. Spampinato, V. Mezaris, J. van Ossenbruggen, "Multimedia Analysis for Ecological Data", Proc. ACM Multimedia, Nara, Japan, October–November 2012. 
  144. D. Stein, E. Apostolidis, V. Mezaris, N. de Abreu Pereira, J. Muller, M. Sahuguet, B. Huet, I. Lasek, "Enrichment of News Show Videos with Multimodal Semi-Automatic Analysis", Proc. NEM Summit 2012, Istanbul, Turkey, October 2012.  
  145. S. Papadopoulos, E. Schinas, V. Mezaris, R. Troncy, I. Kompatsiaris, "Social Event Detection at MediaEval 2012: Challenges, Dataset and Evaluation", Proc. MediaEval 2012 Workshop, Pisa, Italy, October 2012.    [dataset]
  146. P. Sidiropoulos, V. Mezaris, I. Kompatsiaris, "Differential Edit Distance As A Countermeasure To Video Scene Ambiguity", Proc. IEEE Int. Workshop on Machine Learning for Signal Processing (MLSP 2012), Santander, Spain, September 2012.
  147. D. Tsatsou, L. Nixon, M. Mancas, M. Vacura, R. Klein, J. Leroy, J. Kuchar, T. Kliegr, M. Kober, M. Loli, V. Mezaris, "Contextualised user profiling in networked media environments", Proc. 2nd Workshop on Augmented User Modeling (AUM) at the 20th Conf. on User Modeling, Adaptation and Personalization (UMAP), Montreal, Canada, July 2012. 
  148. D. Stein, E. Apostolidis, V. Mezaris, N. de Abreu Pereira, J. Muller, "Semi-Automatic Video Analysis for Linking Television to the Web", Proc. 3rd Int. Workshop on Future Television: Making Television Integrated and Interactive (FutureTV 2012) at the 10th European Interactive TV Conference (EuroITV 2012), Berlin, Germany, July 2012.  
  149. P. Andrews, F. De Natale, S. Buschbeck, A. Jameson, K. Bischoff, C.S. Firan, C. Niederee, V. Mezaris, S. Nikolopoulos, V. Murdock, A. Rae, "GLOCAL: Event-based Retrieval of Networked Media", Proc. World Wide Web Conference, European Projects Track, WWW 2012 Companion pp. 219-222, Lyon, France, April 2012.  
  150. A. Moumtzidou, P. Sidiropoulos, S. Vrochidis, N. Gkalelis, S. Nikolopoulos, V. Mezaris, I. Kompatsiaris, I. Patras, "ITI-CERTH participation to TRECVID 2011", Proc. TRECVID 2011 Workshop, December 2011, Gaithersburg, MD, USA.  
  151. V. Mezaris, A. Scherp, R. Jain, M. Kankanhalli, H. Zhou, J. Zhang, L. Wang, Z. Zhang, "Modeling and Representing Events in Multimedia", Proc. ACM Multimedia 2011, Scottsdale, AZ, USA, November 2011, pp. 613-614.  
  152. V. Mezaris, P. Sidiropoulos, I. Kompatsiaris, "Improving interactive video retrieval by exploiting automatically-extracted video structural semantics", Proc. Fifth IEEE International Conference on Semantic Computing (ICSC 2011), Palo Alto, CA, USA, September 2011, pp. 224-227.  
  153. S. Papadopoulos, R. Troncy, V. Mezaris, B. Huet, I. Kompatsiaris, "Social Event Detection at MediaEval 2011: Challenges, Dataset and Evaluation", Proc. MediaEval 2011 Workshop, Pisa, Italy, September 2011.  
  154. N. Gkalelis, V. Mezaris, I. Kompatsiaris, "High-level event detection in video exploiting discriminant concepts", Proc. 9th International Workshop on Content-Based Multimedia Indexing (CBMI 2011), Madrid, Spain, June 2011, pp. 85-90.  
  155. I. Tsampoulatidis, N. Gkalelis, A. Dimou, V. Mezaris, I. Kompatsiaris, “High-level Event Detection System Based on Discriminant Visual Concepts”, Proc. ACM International Conference on Multimedia Retrieval (ICMR 2011), Trento, Italy, April 2011.  
  156. A. Athanasopoulos, A. Dimou, V. Mezaris, I. Kompatsiaris, "GPU Acceleration for Support Vector Machines", Proc. 12th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2011), Delft, The Netherlands, April 2011.    [video demo]  [source code]
  157. P. Sidiropoulos, V. Mezaris, I. Kompatsiaris, H. Meinedo, M. Bugalho, I. Trancoso, “Video Scene Segmentation System Using Audio-Visual Features”, Proc. 12th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2011), Delft, The Netherlands, April 2011.  
  158. A. Moumtzidou, A. Dimou, N. Gkalelis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation to TRECVID 2010", Proc. TRECVID 2010 Workshop, November 2010, Gaithersburg, MD, USA.  
  159. A. Scherp, R. Jain, M. Kankanhalli, V. Mezaris, "Modeling, Detecting, and Processing Events in Multimedia", Proc. ACM Multimedia 2010, Firenze, Italy, October 2010, pp. 1739-1740.  
  160. N. Gkalelis, V. Mezaris, I. Kompatsiaris, "Automatic event-based indexing of multimedia content using a joint content-event model", Proc. ACM Multimedia 2010, Events in MultiMedia Workshop (EiMM10), Firenze, Italy, October 2010.  
  161. V. Mezaris, P. Sidiropoulos, A. Dimou, I. Kompatsiaris, "On the use of visual soft semantics for video temporal decomposition to scenes", Proc. Fourth IEEE International Conference on Semantic Computing (ICSC 2010), Pittsburgh, PA, USA, September 2010, pp. 141-148.  
  162. N. Gkalelis, V. Mezaris, I. Kompatsiaris, "A joint content-event model for event-centric multimedia indexing", Proc. Fourth IEEE International Conference on Semantic Computing (ICSC 2010), Pittsburgh, PA, USA, September 2010, pp. 79-84.  
  163. V. Mezaris, A. Dimou, I. Kompatsiaris, "On the use of feature tracks for dynamic concept detection in video", Proc. IEEE International Conference on Image Processing (ICIP 2010), Hong Kong, China, September 2010, pp. 4697-4700.  
  164. G. Th. Papadopoulos, V. Mezaris, I. Kompatsiaris, M. G. Strintzis, "Probabilistic Combination of Spatial Context with Visual and Co-occurrence Information for Semantic Image Analysis", Proc. IEEE International Conference on Image Processing (ICIP 2010), Hong Kong, China, September 2010, pp. 3205-3208.  
  165. G.Th. Papadopoulos, V. Mezaris, I. Kompatsiaris, M.G. Strintzis, "A Statistical Learning Approach to Spatial Context Exploitation for Semantic Image Analysis", Proc. 20th International Conference on Pattern Recognition (ICPR 2010), Istanbul, Turkey, August 2010, pp. 3138-3142.  
  166. S. Vrochidis, A. Moumtzidou, P. King, A. Dimou, V. Mezaris, I. Kompatsiaris, "VERGE: A video interactive retrieval engine", Proc. 8th International Workshop on Content-Based Multimedia Indexing (CBMI 2010), Grenoble, France, June 2010, pp. 142-147.    [web demo]
  167. P. Sidiropoulos, V. Mezaris, I. Kompatsiaris, H. Meinedo, M. Bugalho, I. Trancoso, "On the use of audio events for improving video scene segmentation", Proc. 11th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2010), Desenzano del Garda, Italy, April 2010.  
  168. V. Mezaris, A. Dimou, I. Kompatsiaris, "Local invariant feature tracks for high-level video feature extraction", Proc. 11th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2010), Desenzano del Garda, Italy, April 2010.  
  169. V. Mezaris, S. Gidaros, I. Kompatsiaris, "Generalized concept overlay for semantic multi-modal analysis of audio-visual content", Proc. 4th International Workshop on Semantic Media Adaptation and Personalization (SMAP09), San Sebastian, Spain, December 2009, pp. 27-32.  
  170. G. Th. Papadopoulos, V. Mezaris, I. Kompatsiaris, M. G. Strintzis, "Combining Multimodal and Temporal Contextual Information for Semantic Video Analysis", Proc. IEEE International Conference on Image Processing (ICIP 2009), Cairo, Egypt, November 2009, pp. 4325-4328.  
  171. A. Moumtzidou, A. Dimou, P. King, S. Vrochidis, A. Angeletou, V. Mezaris, S. Nikolopoulos, I. Kompatsiaris, L. Makris, "ITI-CERTH participation to TRECVID 2009 HLFE and Search", Proc. TRECVID 2009 Workshop, November 2009, Gaithersburg, MD, USA.  
  172. P. Sidiropoulos, V. Mezaris, I. Kompatsiaris, H. Meinedo, I. Trancoso, "Multi-Modal Scene Segmentation Using Scene Transition Graphs", Proc. ACM International Conference on Multimedia (MM09), Beijing, China, October 2009, pp. 665-668.  
  173. G. Tsoumakas, A. Dimou, E. Spyromitros, V. Mezaris, I. Kompatsiaris, I. Vlahavas, "Correlation-Based Pruning of Stacked Binary Relevance Models for Multi-Label Learning", Proc. ECML/PKDD 2009 Workshop on Learning from Multi-Label Data (MLD'09), Bled, Slovenia, September 2009, pp. 101-116.  
  174. S. Vrochidis, P. King, L. Makris, A. Moumtzidou, S. Nikolopoulos, A. Dimou, V. Mezaris, I. Kompatsiaris, "MKLab Interactive Video Retrieval System", Proc. ACM International Conference on Image and Video Retrieval (CIVR09) - VideOlympics Showcase event, Santorini, Greece, July 2009.  
  175. A. Dimou, G. Tsoumakas, V. Mezaris, I. Kompatsiaris, I. Vlahavas, "An Empirical Study of Multi-Label Learning Methods for Video Annotation", Proc. 7th International Workshop on Content-Based Multimedia Indexing (CBMI 2009), Chania, Crete, Greece, June 2009, pp. 19-24.  
  176. G. Th. Papadopoulos, C. Saathoff, M. Grzegorzek, V. Mezaris, I. Kompatsiaris, S. Staab, M. G. Strintzis, "Comparative evaluation of spatial context techniques for semantic image analysis", Proc. 10th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS09), London, UK, May 2009, pp. 161-164.    [dataset]
  177. T. Athanasiadis, N. Simou, G. Papadopoulos, R. Benmokhtar, K. Chandramouli, V. Tzouvaras, V. Mezaris, M. Phiniketos, Y. Avrithis, Y. Kompatsiaris, B. Huet, E. Izquierdo, "Integrating Image Segmentation and Classification for Fuzzy Knowledge-based Multimedia Indexing", Proc. 15th International MultiMedia Modeling Conference (MMM2009), Sophia Antipolis, France, Springer LNCS vol. 5371, pp. 263-274, January 2009.  
  178. G. Papadopoulos, T. Athanasiadis, N. Simou, R. Benmokhtar, K. Chandramouli, V. Tzouvaras, V. Mezaris, M. Phiniketos, Y. Avrithis, Y. Kompatsiaris, B. Huet, E. Izquierdo, "Combining Segmentation and Classification Techniques for Fuzzy Knowledge-based Semantic Image Annotation", Proc. 3rd International Conference on Semantic and Digital Media Technologies (SAMT), Koblenz, Germany, December 2008.  
  179. G. Th. Papadopoulos, A. Briassouli, V. Mezaris, I. Kompatsiaris, M. G. Strintzis, "Semantic Video Analysis Based on Estimation and Representation of Higher-Order Motion Statistics", Proc. 3rd International Workshop on Semantic Media Adaptation and Personalization (SMAP 2008), Prague, Czech Republic, December 2008, pp. 21-26.  
  180. J. Molina, V. Mezaris, P. Villegas, et. al., "MESH participation to TRECVID2008 HLFE", Proc. TRECVID 2008 Workshop, November 2008, Gaithersburg, MD, USA.  
  181. P. Wilkins, D. Byrne,..., V. Mezaris, et. al., "K-Space at TRECVid 2008", Proc. TRECVID 2008 Workshop, November 2008, Gaithersburg, MD, USA.  
  182. Q. Zhang, G. Tolias,..., V. Mezaris, et. al., "COST292 experimental framework for TRECVID 2008", Proc. TRECVID 2008 Workshop, November 2008, Gaithersburg, MD, USA.  
  183. G. Th. Papadopoulos, V. Mezaris, I. Kompatsiaris, M. G. Strintzis, "Estimation and representation of accumulated motion characteristics for semantic event detection", IEEE International Conference on Image Processing, Workshop on Multimedia Information Retrieval (ICIP-MIR 2008), San Diego, CA, USA, October 2008, pp. 41-44.  
  184. E. Tsamoura, V. Mezaris, I. Kompatsiaris, "Gradual transition detection using color coherence and other criteria in a video shot meta-segmentation framework", IEEE International Conference on Image Processing, Workshop on Multimedia Information Retrieval (ICIP-MIR 2008), San Diego, CA, USA, October 2008, pp. 45-48.  
  185. G. Th. Papadopoulos, V. Mezaris, I. Kompatsiaris and M. G. Strintzis, "Accumulated Motion Energy Fields Estimation and Representation for Semantic Event Detection", Proc. ACM International Conference on Image and Video Retrieval (CIVR 2008), Niagara Falls, Canada, July 2008, pp. 221-230.  
  186. S. Vrochidis, P. King, L. Makris, A. Moumtzidou, V. Mezaris, I. Kompatsiaris, "MKLab Interactive Video Retrieval System", Proc. ACM International Conference on Image and Video Retrieval (CIVR08) - VideOlympics Showcase event, Niagara Falls, Canada, July 2008, pp. 563.  
  187. E. Tsamoura, V. Mezaris, I. Kompatsiaris, “Video shot meta-segmentation based on multiple criteria for gradual transition detection”, Proc. Sixth International Workshop on Content-Based Multimedia Indexing (CBMI 2008), London, UK, June 2008, pp. 51-57.  
  188. V. Mezaris, S. Gidaros, G. Th. Papadopoulos, W. Kasper, R. Ordelman, F. de Jong, I. Kompatsiaris, “Knowledge-assisted cross-media analysis of audio-visual content in the News domain”, Proc. Sixth International Workshop on Content-Based Multimedia Indexing (CBMI 2008), London, UK, June 2008, pp. 280-287.  
  189. G. Th. Papadopoulos, K. Chandramouli, V. Mezaris, I. Kompatsiaris, E. Izquierdo and M.G. Strintzis, "A Comparative Study of Classification Techniques for Knowledge-Assisted Image Analysis", 9th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2008), May 2008, Klagenfurt, Austria, pp. 4-7.  
  190. G. Th. Papadopoulos, V. Mezaris, I. Kompatsiaris and M. G. Strintzis, "Ontology-Driven Semantic Video Analysis Using Visual Information Objects", Proc. Second International Conference on Semantics and Digital Media Technologies (SAMT07), December 2007, Genova, Italy, Springer LNCS vol. 4816, pp. 56-69.  
  191. P. Wilkins, T. Adamek, D. Byrne, G. J.F.Jones, H. Lee, G. Keenan, K. McGuinness, N. E. O’Connor, A. F. Smeaton, A. Amin, Z. Obrenovic, R. Benmokhtar, E. Galmar, B. Huet, S. Essid, R. Landais, F. Vallet, G. Papadopoulos, S. Vrochidis, V. Mezaris, I. Kompatsiaris, E. Spyrou, Y. Avrithis, R. Morzinger, P. Schallauer, W. Bailer, T. Piatrik, K. Chandramouli, E. Izquierdo, M. Haller, L. Goldmann, A. Samour, A. Cobet, T. Sikora, P. Praks, "K-Space at TRECVid 2007", Proc. TRECVID 2007 Workshop, November 2007, Gaithersburg, MD, USA.  
  192. Q. Zhang, K. Chandramouli, U. Damnjanovic, T. Piatrik, E. Izquierdo, M. Corvaglia, N. Adami, R. Leonardi, G. Yak?n, S. Aksoy, U. Naci, A. Hanjalic, S. Vrochidis, A. Moumtzidou, S. Nikolopoulos, V. Mezaris, L. Makris, I. Kompatsiaris, B. Mansencal, J. Benois-Pineau, E. Esen, A. Alatan, E. Spyrou, P. Kapsalas, G. Tolias, P. Mylonas, Y. Avrithis, B. Reljin, G. Zajic, A. M. G. Pinheiro, L. A. Alexandre, P. Almeida, R. Jarina, M. Kuba, N. Aginako, J. Goya. "The COST292 experimental framework for TRECVID 2007", Proc. TRECVID 2007 Workshop, November 2007, Gaithersburg, MD, USA.  
  193. A. Briassouli, V. Mezaris, I. Kompatsiaris, "Video Segmentation and Semantics Extraction from the Fusion of Motion and Color Information", Proc. IEEE International Conference on Image Processing (ICIP 2007), September 2007, San Antonio, TX, USA, vol. III, pp. 365-368.  
  194. G. Papadopoulos, V. Mezaris, I. Kompatsiaris, M. G. Strintzis, "Combining Content and Context Information for Semantic Image Analysis and Classification", Proc. 15th European Signal Processing Conference (EUSIPCO 2007), September 2007, Poznan, Poland, pp. 708-712.  
  195. A. Briassouli, V. Mezaris, I. Kompatsiaris, "Joint Motion and Color Statistical Video Processing for Motion Segmentation", Proc. IEEE International Conference on Multimedia & Expo (ICME 2007), July 2007, Beijing, China, pp. 2014-2017.  
  196. S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI Interactive Video Retrieval System", Proc. ACM International Conference on Image and Video Retrieval (CIVR07) - VideOlympics Showcase event, Amsterdam, The Netherlands, July 2007.  
  197. M. Papadogiorgaki, V. Mezaris, Y. Chatzizisis, G. Giannoglou, I. Kompatsiaris, "Automated IVUS contour detection using intensity features and Radial Basis Function approximation", Proc. 20th IEEE International Symposium on Computer-Based Medical Systems (CBMS 2007), June 2007, Maribor, Slovenia, pp. 183-188.  
  198. V. Mezaris, N. Boulgouris, I. Kompatsiaris, "Knowledge-Assisted Video Analysis for Content-Adaptive Coding and Transmission", Proc. 1st International Workshop on Semantic Media Adaptation and Personalization (SMAP 2006), December 2006, Athens, Greece, pp. 86-90.  
  199. G. Papadopoulos, V. Mezaris, S. Dasiopoulou, and I. Kompatsiaris, "Semantic image analysis using a learning approach and spatial context", Proc. First International Conference on Semantics and Digital Media Technology (SAMT 2006), December 2006, Athens, Greece, Springer LNCS vol. 4306, pp. 199-211.  
  200. J. Calic, P. Kramer, U. Naci, S. Vrochidis, S. Aksoy, Q. Zhang, J. Benois-Pineau, A. Saracoglu, C. Doulaverakis, R. Jarina, N. Campbell, V. Mezaris, I. Kompatsiaris, E. Spyrou, G. Koumoulos, Y. Avrithis, A. Dalkilic, A. Alatan, A. Hanjalic, E. Izquierdo, "COST292 experimental framework for TRECVID 2006", Proc. TRECVID 2006 Workshop, November 2006, Gaithersburg, MD, USA.  
  201. M. Papadogiorgaki, V. Mezaris, Y.S. Chatzizisis, I. Kompatsiaris and G.D. Giannoglou, "A Fully Automated Texture-based Approach for the Segmentation of Sequential IVUS Images", Proc. 13th International Conference on Systems, Signals and Image Processing (IWSSIP 2006), September 2006, Budapest, Hungary, pp. 461-464.  
  202. G. Papadopoulos, P. Panagi, S. Dasiopoulou, V. Mezaris and I. Kompatsiaris, "A Learning Approach to Semantic Image Analysis", Proc. 2nd International Mobile Multimedia Communications Conference (MobiMedia 2006), September 2006, Alghero, Italy.
    203.  
  203. N. Voisine, S. Dasiopoulou, F. Precioso, V. Mezaris, I. Kompatsiaris and M.G. Strintzis, "A Genetic Algorithm-based Approach to Knowledge-assisted Video Analysis", Proc. IEEE International Conference on Image Processing (ICIP 2005), Genova, Italy, September 2005, vol. III, pp. 441-444.  
  204. V. Mezaris, H. Doulaverakis, S. Herrmann, B. Lehane, N. O’Connor, I. Kompatsiaris, W. Stechele, and M. G. Strintzis, "An Extensible Modular Common Reference System for Content-based Information Retrieval: the SCHEMA Reference System", Proc. Fourth International Workshop on Content-Based Multimedia Indexing (CBMI05), Riga, Latvia, June 2005.  
  205. N. Voisine, S. Dasiopoulou, V. Mezaris, E. Spyrou, T. Athanasiadis, I. Kompatsiaris, Y. Avrithis, and M. G. Strintzis, "Knowledge-Assisted Video Analysis Using a Genetic Algorithm", Proc. Workshop on Image Analysis For Multimedia Interactive Services (WIAMIS), April 2005, Montreux, Switzerland.  
  206. V. Mezaris, H. Doulaverakis, S. Herrmann, B. Lehane, N. O’Connor, I. Kompatsiaris, and M. G. Strintzis, "The SCHEMA Reference System: An Extensible Modular System for Content-based Information Retrieval", Proc. Workshop on Image Analysis For Multimedia Interactive Services (WIAMIS), April 2005, Montreux, Switzerland.  
  207. S. Papadopoulos, V. Mezaris, I. Kompatsiaris, and M. G. Strintzis, "A Region-based Approach to Conceptual Image Classification", Proc. IEE International Conference on Visual Information Engineering (VIE 2005), April 2005, Glasgow, UK.  
  208. S. Dasiopoulou, V. K. Papastathis, V. Mezaris, I. Kompatsiaris, and M. G. Strintzis, "An Ontology Framework For Knowledge-Assisted Semantic Video Analysis and Annotation", Proc. 4th International Workshop on Knowledge Markup and Semantic Annotation (SemAnnot 2004) at the 3rd International Semantic Web Conference (ISWC 2004), November 2004, Hiroshima, Japan.  
  209. V. Mezaris, H. Doulaverakis, S. Herrmann, B. Lehane, N. O'Connor, I. Kompatsiaris, and M. G. Strintzis, "Combining Textual and Visual Information Processing for Interactive Video Retrieval: SCHEMA's Participation in TRECVID 2004", Proc. TRECVID 2004 Workshop, November 2004, Gaithersburg, MD, USA.  
  210. V. Mezaris, I. Kompatsiaris, and M. G. Strintzis, "A knowledge-based approach to domain-specific compressed video analysis", Proc. IEEE International Conference on Image Processing (ICIP 2004), Singapore, October 2004, pp. 341-344.  
  211. V. Mezaris, H. Doulaverakis, R. Medina Beltran de Otalora, S. Herrmann, I. Kompatsiaris, and M. G. Strintzis, "Combining multiple segmentation algorithms and the MPEG-7 eXperimentation Model in the Schema Reference System", Proc. 8th International Conference on Information Visualization (IV2004), July 2004, London, UK, pp. 253-258.  
  212. V. Mezaris, H. Doulaverakis, R. Medina Beltran de Otalora, S. Herrmann, I. Kompatsiaris, and M. G. Strintzis, "A test-bed for region-based image retrieval using multiple segmentation algorithms and the MPEG-7 eXperimentation Model: The Schema Reference System", Proc. 3rd International Conference on Image and Video Retrieval (CIVR2004), July 2004, Dublin, Ireland, Springer LNCS vol. 3115, pp. 592-600.  
  213. V. Mezaris and M. G. Strintzis, "Object segmentation and ontologies for MPEG-2 video indexing and retrieval", Proc. 3rd International Conference on Image and Video Retrieval (CIVR2004), July 2004, Dublin, Ireland, Springer LNCS vol. 3115, pp. 573-581.  
  214. V. Mezaris, I. Kompatsiaris, and M. G. Strintzis, "Compressed-domain object detection for video understanding", Proc. Workshop on Image Analysis For Multimedia Interactive Services (WIAMIS), April 2004, Lisbon, Portugal.  
  215. V. Mezaris, I. Kompatsiaris, and M. G. Strintzis, "Still image objective segmentation evaluation using ground truth", Proc. Fifth COST 276 Workshop on Information and Knowledge Management for Integrated Media Communication, October 2-3, 2003, Prague, Czech Republic, pp. 9-14.  
  216. N. O'Connor, S. Sav, T. Adamek, V. Mezaris, I. Kompatsiaris, T. Y. Lu, E. Izquierdo, C. Bennström, and J. Casas, "Region and object segmentation algorithms in the Qimera segmentation platform", Proc. Third International Workshop on Content-Based Multimedia Indexing (CBMI03), Rennes, France, September 22-24, 2003, pp. 381-388.  
  217. V. Mezaris, I. Kompatsiaris, E. Kokkinou and M. G. Strintzis, "Real-time compressed-domain spatiotemporal video segmentation", Proc. Third International Workshop on Content-Based Multimedia Indexing (CBMI03), Rennes, France, September 22-24, 2003, pp. 373-380.  
  218. V. Mezaris, I. Kompatsiaris, and M. G. Strintzis, "An Ontology Approach to Object-Based Image Retrieval", Proc. IEEE International Conference on Image Processing (ICIP 2003), Barcelona, Spain, September 2003, vol. II, pp. 511-514.  
  219. V. Mezaris, N. V. Boulgouris, I. Kompatsiaris, D. Simitopoulos, and M. G. Strintzis, "Segmentation and Content-based Watermarking for Image Indexing", Proc. Fourth COST 276 Workshop on Information and Knowledge Management for Integrated Media Communication, March 31 - April 1, 2003, Bordeaux, France, pp. 13-18.  
  220. V. Mezaris, I. Kompatsiaris, and M. G. Strintzis, "Ontologies for Object-based Image Retrieval", Proc. Workshop on Image Analysis For Multimedia Interactive Services (WIAMIS), April 2003, London, UK, pp. 96-101.  
  221. V. Mezaris, I. Kompatsiaris, and M. G. Strintzis, "A Framework for the Efficient Segmentation of Large-format Color Images", Proc. IEEE International Conference on Image Processing (ICIP 2002), Rochester, NY, September 2002, vol. I, pp. 761-764.  
  222. V. Mezaris, I. Kompatsiaris, and M. G. Strintzis, "Still Image Segmentation Tools for Content-based Multimedia Applications", Proc. 2002 Tyrrhenian International Workshop on Digital Communications (IWDC 2002), pp. 273-279.  
  223. N. V. Boulgouris, I. Kompatsiaris, V. Mezaris, and M. G. Strintzis, "Content-based Watermarking for Indexing Using Robust Segmentation", Proc. Workshop on Image Analysis For Multimedia Interactive Services (WIAMIS), May 2001, Tampere, Finland.  

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