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Dr. Stefanos Vrochidis

Researcher B’

  • Dipl. Electrical & Computer Engineering
  • MSc in Radio Frequency Communication Systems
  • PhD, Interactive Video Retrieval Using Implicit User Feedback, Queen Mary University of London (2013)

Dr. Stefanos Vrochidis received the Diploma degree in Electrical Engineering from Aristotle University of Thessaloniki, Greece and the MSc degree in Radio Frequency Communication Systems from University of Southampton, in 2000 and 2001 respectively. He also holds a PhD degree on Interactive video retrieval using implicit user feedback, Queen Mary University of London (2013). He is a Senior Researcher (Grade Β’) at the Information Technologies Institute (ΙΤΙ) of the Centre for Research and Technology Hellas (CERTH).

He has participated in a number of EC-funded and National ICT projects (e.g. ELU, PATExpert, REACH, PESCaDO, CHORUS) and his research interests include multimedia analysis, indexing and retrieval, human computer interaction in multimedia retrieval, patent search, environmental and learning applications. His scientific work has been published in peer-reviewed journals, international conferences and book chapters.

Recent Publications

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  • S. Papadopoulos, K. Ioannidis, S. Vrochidis, I. Kompatsiaris, I. Patras, "Vision-Language Pretraining for Variable-shot Image Classification.", In 2025 International Conference on Multimedia Modeling, MMM 2025, Nara, Japan, January 8-10, 2025.
  • N. Pantelidis, D. Georgalis, M. Pegia, D. Galanopoulos, K. Apostolidis, K. Stavrothanasopoulos, A. Moumtzidou, K. Gkountakos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, Ι. Kompatsiaris, "VERGE in VBS 2025.", 31st International Conference on Multimedia Modeling, Napa, Japan, January 8-10, 2025.
  • M. Pegia, B. Þ. Jónsson, A. Moumtzidou, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Comparative Analysis of Learning-Based Approaches for Change Detection in Satellite Images.", IEEE Selected Topics in Applied Earth Observations and Remote Sensing, 2024.
  • K. Gkountakos, K. Ioannidis, K. Demestichas, S. Vrochidis, I. Kompatsiaris, "A Comprehensive Review of Deep Learning-based Anomaly Detection Methods for Precision Agriculture.", Ιn IEEE Access, 2024.
  • G. Kalpakis, C. Paternoster, M. Mancuso, D. Kozhuharova, T. Spathi, T. Semertzidis, S. Vrochidis, "AI-Based Framework for Supporting Micro and Small Hosting Service Providers on the Report and Removal of Online Terrorist Content", In *Paradigms on Technology Development for Security Practitioners (pp. 249-261). Cham: Springer Nature Switzerland,* 2024
Contact
Dr. Stefanos Vrochidis
Building A - Office 1.4

Information Technologies Institute
Centre of Research & Technology - Hellas
6th km Harilaou - Thermis, 57001, Thermi - Thessaloniki
Tel.: +30 2311 257754
Fax: +30 2310 474128
Email: stefanos@iti.gr

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