Image and Multimedia Data Processing
Computer Vision
Biomedical Informatics,
Telemedicine and Multimedia Communications

Member of IEEE - Societies: Engineering in Medicine and Biology, Computer, Communications, SPIE - International Society for Optical Engineering, ACM, the Greek Computer Society Hellenic Artificial Society (Member of Executive Board) the Technical Chamber of Greece and the Hellenic Organization of Biomedical Engineering.

Member of the IFIP technical committee TC 12 (Artificial Intelligence – Knowledge-Oriented Development of Applications) and Secretary of Working Group WG12.5 (AI Applications)

Associate Editor for the IEEE Transactions on Information Technology in Biomedicine Journal.

Guest Editor in six (6) ISI/SCI International Journals:
IEEE Engineering in Medicine and Biology (IEEE Press), Personal and Ubiquitous Computing Journal (Springer), International Journal Universal Access in the Information Society (Springer), International Journal of Applied Intelligence (Springer), Simulation: Transactions of the Society for Modelling and Simulation (SAGE), Oncology Reports (Spandidos Press)

Chair of the AIAI06 and AIAI07, 3rd and 4th IFIP International Conference on Artificial Intelligence Application and Innovations and Program Committee Chair and member of the Founding and Steering Committee of the PETRA conference (ACM International Conference on Pervasive Technologies Related to Assistive Environments) series.

Competition Chair of the 10th IEEE International Conference on Information Technology and Applications in Biomedicine (ITAB 2010), Proceedings Co-Editor of the 5th and 6th IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI 2009 and AIAI 2010), Area Chair of the 6th Hellenic Conference on Artificial Intelligence SETN2010 and Track Chair in Medical Image Processing 12th Mediterranean Conference on Medical and Biological Engineering and Computing MEDICON 2010. Executive Program Committee of the IFIP AI 2008 Conference within World Computer Congress 2008 Milan, Italy.