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Dr. Vasileios Mezaris

Researcher A’

  • Diploma in Electrical and Computer Engineering, Aristotle University of Thessaloniki (2001)
  • Ph.D. in Electrical and Computer Engineering, Aristotle University of Thessaloniki (2005)

Dr. Vasileios Mezaris is a Senior Researcher with the Information Technologies Institute / Centre for Research and Technology Hellas, Thessaloniki, Greece, since June 2007, and since May 2018 he is a Research Director (Senior Researcher Grade A).

His research interests include multimedia understanding and artificial intelligence; in particular, image and video analysis and annotation, machine learning and deep learning for multimedia understanding and big data analytics, multimedia indexing and retrieval, and applications of multimedia understanding and artificial intelligence in specific domains (including TV broadcasting and news, education and culture, medical / ecological / business data analysis). As part of his work in these research areas he has co-authored more than 40 papers in refereed journals, 20 book chapters, 160 papers in international conferences, and 3 patents. He has edited two books and several proceedings volumes, he serves as Associate Editor for the IEEE Transactions on Multimedia (2012-2015 and 2018-present) and the IEEE Signal Processing Letters (2016-present), and also as a reviewer for many international journals and conferences.

He has participated in many research projects, and as the Coordinator in the EC H2020 research projects InVID (2016-2018) and MOVING (2016-2019).

He is a Senior Member of the IEEE and a member of the Technical Chamber of Greece.

For more information: http://www.iti.gr/~bmezaris

Recent Publications

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  • A. Goulas, D. Galanopoulos, I. Patras, V. Mezaris, "MLLM Frame Subset Ensembling for Audio-Visual Video QA and MLLM-based Reranking for Ad-hoc Video Search in TRECVID 2025.", in Proceedings of the TRECVID 2025 Workshop, December 2025.
  • E. Palogiannidi, S. Legkas, D. Vogiatzis, V. Koutsoupia, M. Mylonas, V. Mezaris, S. Markou, G. Zissis, P. Theodosiou, "The MediaPot Platform for News Analytics.", in Proceedings of the 20th International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP 2025), Mystras, Greece, November 2025.
  • M. Mylonas, E. Apostolidis, V. Mezaris, "SD-VSum: A Method and Dataset for Script-Driven Video Summarization.", in Proceedings of the ACM Multimedia (ACM MM 2025), Dublin, Ireland, October 2025, doi: 10.1145/3746027.3755821
  • D. Galanopoulos, A. Goulas, V. Mezaris, "Cross-modal Image Recommendation for News Articles by Multimodal Foundation Models-based Retrieval-Reranking.", in Proceedings of the 2025 Multimedia Evaluation Workshop (MediaEval'25), Dublin, Ireland, October 2025.
  • I. Kontostathis, E. Apostolidis, V. Mezaris, "TSalV360: A Method and Dataset for Text-driven Saliency Detection in 360-Degrees Videos.", in Proceedings of the IEEE Int. Conf. on Content-Based Multimedia Indexing (CBMI 2025), Dublin, Ireland, October 2025.
Contact
Dr. Vasileios Mezaris
Building A - Office 2.11

Information Technologies Institute
Centre of Research & Technology - Hellas
6th km Harilaou - Thermis, 57001, Thermi - Thessaloniki
Tel.: +30 2311 257770
Fax: +30 2310 474128
Email: bmezaris@iti.gr