Professor Vassilios Chatzis received his Diploma in Electrical Engineering in 1991 and his PhD in Informatics in 1999 both from the Aristotle University of Thessaloniki. He is a Professor in the Department of Business Administration of the TEI of Kavala. From 1993 to 1999 he was a researcher in the laboratory of Artificial Intelligence and Information Analysis, in the Department of Informatics of AUTh. He has also taught at the Department of Electrical and Computer Engineering of the Democritus University of Thrace from 2001 to 2010. He teaches computer courses such as Object Oriented Programming, Data Structures, Software Technology, Information Systems at undergraduate and postgraduate level. His current research interests are in the fields of digital image analysis and processing, image retrieval and fuzzy logic.
He is a reviewer of prestigious international scientific journals such as: Pattern Recognition - Elsevier, Journal of Mathematical Imaging and Vision - Springer, International Journal of Pattern Recognition and Artificial Intelligence - World Scientific and a member of various Scientific Committees of journals and conferences.
He
is the Director of the MSc Information Systems
Contact details: Department of Management Science and Technology of the International University of Greece, Kavala 65404, Telephone: 2510462325, Email: chatzis@mst.ihu.gr.
SELECTED PUBLICATIONS
Scientific journals:
1. S. Krinidis and V. Chatzis, “A Physics-Based Dual Deformable Model”, Journal of Information Hiding and Multimedia Signal Processing, Vol. 3, No. 1, pp. 100-121, January 2012.
2. S. Krinidis and V. Chatzis, “A Robust Fuzzy Local Information C-means Clustering Algorithm”, IEEE Trans. on Image Processing, vol. 19, no 5, pp. 1328-1337, 2010.
3. K. Kosmidis, V. Chatzis, A. Stavropoulos and K. Terzidis, “Incorporating TQM in higher education: Students’ assessment of academic performance”, Management of International Business and Economic Systems Int. Journal, ISSN 1790-9899, vol. 4, issue 1, pp.152-164, 2010.
4. K. Kosmidis, A. E. Michailidou, A. Ntaliani, V. Chatzis, “Web-based application for financial statement analysis: A normative approach”, Practical Issues in Management & Economics Int. Journal, ISSN 1791-5767, vol. 3, pp. 114-127, 2010 (in Greek).
5. S. Krinidis and V. Chatzis, “Fuzzy Energy-Based Active Contours”, IEEE Trans. on Image Processing, vol. 18, no 12, pp. 2747-2755, 2009.
6. S. Krinidis and V. Chatzis, “A Skeleton Family Generator via Physics-Based Deformable Models”, IEEE Trans. on Image Processing, vol. 18, no. 1, pp. 1-11, 2009.
7. S. Krinidis and V. Chatzis, “Principal Axes Estimation Using the Vibration Modes of Physics-Based Deformable Models”, IEEE Trans. on Image Processing, vol. 17, no. 6, pp. 1007-1019, June 2008.
8. V. Chatzis and I. Pitas, “Interpolation of 3D Binary Objects using Morphological Skeletonization”, IEEE Trans. on Medical Imaging, vol. 19, no. 7, pp. 699-710, July 2000.
9. V. Chatzis and I. Pitas, “A Generalized Fuzzy Mathematical Morphology and its Application in Robust 2D and 3D Object Representation”, IEEE Trans. on Image Processing, vol. 9, no. 10, pp. 1798-1810, October 2000.
Book Chapters:
1. V. Chatzis and I. Pitas, “Fuzzy Techniques in Digital Image Processing and Shape Analysis” in Fuzzy Filters for Image Processing, edited by M. Nachtegael, D. Van der Weken, D. Van De Ville & E.E. Kerre, pp.273-305, ISBN 3-540-00465-3, Springer, 2003.
Conferences:
1. Michail Krinidis, Stelios Krinidis, Vassilios Chatzis, A NOVEL WORKSPACE FOR IMAGE CLUSTERING, in 17th International Conference on Digital Signal Processing, 6-8 July 2011, Corfu, Greece.
2. Kosmas Kosmidis, Vassilios Chatzis, Antonios Stavropoulos, Konstantinos Terzidis, ” Incorporating TQM in higher education: Students’ assessment of academic performance”, in Proceedings of Management of International Business and Economic Systems (MIBES) International Conference, June 2010, Kavala, Greece.
3. L. Fragidis, V. Chatzis, “Modelling Hospital Expenses for a Patient Accounting System”, accepted in International Bulgarian-Greek Conference in Computer Science, Kavala, Greece, September 2008.
4. V. Mardiris, Ch. Mizas, L. Fragidis, V. Chatzis, “Design and simulation of a QCA 2 to 1 multiplexer “, Proceedings of the 12th WSEAS International Conference on Computers, pp. 572-576, Heraklion, Greece, July 2008.
5. L. Fragidis, A. Michailidis, V. Mardiris, V. Chatzis, “Web Based Application for Registering Degree Projects”, Proceedings of the 12th WSEAS International Conference on Computers, pp. 567-571, Heraklion, Greece, July 2008.
6. Vassilios Chatzis, Eleni Apostolidou, Ioanna Pantelidou and Agni Moutzouroglou, “Work-Related Learning In Higher Education Around Europe”, in Proceedings of the International Technology, Education and Development Conference (INTED 2008), Valencia, Spain, March 3-5, 2008.
7. M. Syggouroglou, L. Fragidis, V. Mardiris and V. Chatzis, “An Internet Application for Lab-Group Booking Using Open Source Software”, Proceedings of the 3rd WSEAS/IASME International Conference on Educational Technologies, pp. 412-415, Arcachon, France, October 13-15, 2007.
8. L. Fragidis, D. Markopoulos, V. Mardiris, V. Chatzis, “Web Based html-rich text Editor ‘web-editor’ Using Open Source Software”, International Bulgarian-Turkish Conference in Computer Science, Istanbul, Turkey, October 2006.
9. Stelios Krinidis and Vassilios Chatzis, “Frequency-Based Object Orientation and Scaling Determination”, accepted for publication in IEEE International Symposium on Circuits and Systems (ISCAS’06), pp. 2385-2388, May 21-24, 2006, Island of Kos, Greece.
10. Vassilios Chatzis, Vassilis G. Kaburlasos and Michalis Theodorides, “An Image Processing Method for Particle Size and Shape Estimation”, Second International Scientific Conference in “COMPUTER SCIENCE”, Part II, pp. 7-12, 30th September – 2nd October 2005, Chalkidiki, Greece.
11. Ioannis Koustoudis and Vassilios Chatzis, “An Object-Oriented Programming Distance Learning Application (Διαδικτυακή Εφαρμογή για την Από Απόσταση Εκπαίδευση στον Αντικειμενοστραφή Προγραμματισμό)”, 3rd International Conference on Open and Distance Learning ‘Applications of Pedagogy and Technology’, Vol.B, pp.271-278, 11-13 November 2005, Patra, Greece.
12. Vassilis Kaburlasos, Vassilios Chatzis, Vassilios Tsiantos and Michael Theodorides, “granular Self-Organizing Map (grSOM) neural network for industrial quality control”, Mathematical Methods in Pattern and Image Analysis, eds. J. T. Astola, I. Tabus, J. Barrera, Proc. Of SPIE Vol. 5916, in Int. Symposium on Optics & Photonics, 31 July-4 August 2005, San Diego, California USA.
13. L. Fragidis, V. Mardiris, C. Mizas and V. Chatzis, “Examinations Past Papers ‘e-Bank’ Using Open Source Software”, WSEAS Trans. on Information Science and Applications, vol. 1, iss. 5, pp. 1220-1224, November 2004.
14. L. Fragidis, V. Mardiris, C. Mizas, S. Simeonidis and V. Chatzis, “Electronic Examinations ‘e-Exams’ Using Open Source Software”, WSEAS Trans. on Information Science and Applications, vol. 1, iss. 5, pp. 1225-1230, November 2004.
Associate Professor Vassilios Mardyris received the Diploma of Electrical Engineer in 1994, the postgraduate Diploma in Engineering in Systems of Microelectronics and Informatics in 2004 and the Doctorate Diploma in Mechanical Engineering in 2012 from the Department of Electrical and Mechanical Engineering of the University of Thrake. He is an Associate Professor at the Department of Management Science and Technology of the International University of Greece.
From 1995 to 1999 he was a researcher at the VLSI Systems Design Center, Department of Electrical and Computer Engineering. He teaches computer courses such as Computer Architecture, Computer Networks, Internet Information Management, Introduction to Nanotechnology, Cybercrime Investigation, Information and Communication Systems, Implementation and Management of Information Systems, at undergraduate and graduate level. His current research interests are in the fields of nanocomputing systems, computer networks and cybercrime.
He has been actively involved as a researcher or researcher in a number of national and international research programs from 1995 until today. He has been a member of the Scientific Committees of numerous conferences and a reviewer in prestigious international scientific journals such as: IET Electronic Letters, IEEE Communications Letters, IEEE Trans on Nanotechnology, IET Micro & Nano Letters, Elsevier Information Sciences, Wiley International Journal of Circuit Theory and Application, Elsevier Mic Journal, Journal of Zhejiang University-SCIENCE A, Indian Journal of Pure & Applied Physics.
Dr. Vassilios Mardyris has rich professional experience as a computer network engineer and software developer from 1995 to 2006.
Contact details: Department of Management Science and Technology of the International University of Greece, Kavala 65404, Telephone: 2510462183, FAX: 2510462322, Email: mardiris@mst.ihu.gr
SELECTED PUBLICATIONS
Scientific journals:
1. V.A. Mardiris, I.G. Karafyllidis, “Design and simulation of modular 2n to 1 quantum-dot cellular automata (QCA) multiplexers,” International Journal of Circuit Theory and Applications, vol. 38, no. 8, pp. 771-785, October 2010.
2. V.A. Mardiris, I.G. Karafyllidis, “Design and Simulation of Modular Quantum-Dot Cellular Automata Multiplexers for Memory Accessing,” Journal of Circuits, Systems and Computers, vol. 19, no. 2, pp. 349-365, 2010.
3. V.A. Mardiris, I.G. Karafyllidis, “Universal cellular automaton cell using quantum cellular automata,” Electronics Letters, vol. 45, no. 12, pp. 607-609, 2009.
4. Ch. Mizas, G. Ch. Sirakoulis, V. Mardiris, I. Karafyllidis, N. Glykos and R. Sandaltzopoulos, “Reconstruction of DNA sequences using Genetic Algorithms and Cellular Automata: towards mutation prediction?,” Biosystems, vol. 92, no. 1, pp. 61-68, 2008.
5. V. Mardiris, G. Ch. Sirakoulis, Ch. Mizas, I. Karayllidis and A. Thanailakis, “A CAD system for modeling and Simulation of Computer Networks using Cellular Automata,” IEEE Transactions on Systems, Man and Cybernetics Part C, vol. 38, no. 2, pp. 253-264, 2008.
6. G. Ch. Sirakoulis, I. Karafyllidis, Ch. Mizas, V. Mardiris, A. Thanailakis, and Ph. Tsalides, “A cellular automaton model for the study of DNA sequence evolution,” Computers in Biology and Medicine, vol. 33, no. 5, pp. 439-453, 2003.
7. G. Ch. Sirakoulis, I. Karafyllidis, A. Thanailakis, and V. Mardiris, “A methodology for VLSI implementation of Cellular Automata algorithms using VHDL,” Advances in Engineering Software, vol. 32, no. 3, pp. 189-202, 2000.
8. G. Ch. Sirakoulis, I. Karafyllidis, V. Mardiris, and A. Thanailakis, “Study of the effects of photoresist surface roughness and defects on developed profiles,” Semiconductor Science and Technology, vol. 15, no. 2, pp. 98-107, 2000.
9. G. Ch. Sirakoulis, I. Karafyllidis, V. Mardiris, and A. Thanailakis, “Study of lithography profiles developed on non-planar Si surfaces,” Nanotechnology, vol. 10, no. 4, pp. 421-427, 1999.
10. V.Mardiris, I.Karafyllidis, D.Soudris, A.Thanailakis “Neural Networks for the simulation of photoresist exposure process in integrated circuit fabrication,” Modelling & Simulation in Material Science Engineering, vol. 5, pp. 439-450, 1997.
Conferences:
1. Adam P. Filippidis, Kosmas Kosmidis, Vassilios Mardiris, “Stan: A dynamic web-based application for financial statement analysis,” MIBES Transactions, Vol 7, pp. 15-24, 2013.
2. F.K. Panagiotopoulos, V.A. Mardiris, V. Chatzis, “Quantum Dot Cellular Automata Design for Median Filtering and Mathematical Morphology Operations on Binary Images,” ACRI 2012, LNCS 7495, pp. 554-564, 2012.
3. V. Mardiris, Ch. Mizas, L. Fragidis, V. Chatzis, “Design and simulation of a QCA 2 to 1 multiplexer “, Proceedings of the 12th WSEAS International Conference on Computers, pp. 572-576, Heraklion, Greece, July 2008.
4. L. Fragidis, A. Michailidis, V. Mardiris, V. Chatzis, “Web Based Application for Registering Degree Projects”, Proceedings of the 12th WSEAS International Conference on Computers, pp. 567-571, Heraklion, Greece, July 2008.
5. M. Syggouroglou, L. Fragidis, V. Mardiris and V. Chatzis, An Internet Application for Lab-Group Booking Using Open Source Software, Proceedings of the 3rd WSEAS/IASME International Conference on Educational Technologies, pp. 412-415, Arcachon, France, October 13-15, 2007.
6. L. Fragidis, D. Markopoulos, V. Mardiris, V. Chatzis, “Web Based html-rich text Editor ‘web-editor’ Using Open Source Software”, International Bulgarian-Turkish Conference in Computer Science, Istanbul, Turkey, October 2006.
7. V. Mardiris, G.Ch. Sirakoulis, Ch. Mizas, I. Karafyllidis, and A. Thanailakis, ” Net_CA: A Tool for Simulation and Modeling of Wired/Wireless Computer Networks based on Cellular Automata”, 10th Panhellenic Conference on Informatics (PCI 2005), pp. 407-417, Volos, Greece, Νovember 11-13, 2005.
8. L. Fragidis, V. Mardiris, C. Mizas, S. Simeonidis and V. Chatzis, Electronic Examinations e-Exams Using Open Source Software, WSEAS Trans. on Information Science and Applications, vol. 1, iss. 5, pp. 1225-1230, November 2004.
9. L. Fragidis, V. Mardiris, C. Mizas and V. Chatzis, Examinations Past Papers e-Bank Using Open Source Software, WSEAS Trans. on Information Science and Applications, vol. 1, iss. 5, pp. 1220-1224, November 2004.
10. D.Soudris, M.Perakis, Ch.Mizas, V.Mardiris, K.Katis, C.Dre, A.E.Tzimas, E.G.Metaxakis, G.Kalivas, N.Zervas, S.Theoharis, G.Theodoridis, A.Thanailakis, C.Goutis “Low-Power Design of A Multi-Mode Transceiver,” ISCAS 2000, vol. 2, pp. 721-724, May 28-31, Geneva, Switzerland, 2000.
Assistant Professor Leonidas Fraggidis received a BSc in Computer Science from the Department of Computer Science, University of Wales, Swansea in 1999, and a Master's Degree in Communication. (MSc. In Communication Systems) in the Department of Electrical and Electronic Engineering in 2000. In 2008, he received the second Master's Degree in Financial and Financial Information Systems (MSc. In Finance and Financial Information Systems) from Department of Accounting & Finance, University of Greenwich. In 2017 he received a PhD in Information Systems from the Department of Production Engineering and Management of the Democritus University of Thrace. He is an Assistant Professor at the Department of Business Administration of TEI AMTH and teaches Informatics courses such as Databases, Systems Analysis and Software Technology, Computer Networks and Information Systems at undergraduate and postgraduate level.
He has also taught at the TEI of Central Macedonia at the Department of Informatics Engineering and at the Department of Business Administration in both their Undergraduate and Postgraduate programs. He has also taught at the Department of Production Engineering and Management of the Democritus University of Thrace.
Dr. Leonidas Fraggidis has rich professional experience as an IT Engineer and has participated in a number of projects related to the analysis, design and implementation of Information Systems from 2003 to 2019.
His current research interests are in the fields of Information Systems integration and Electronic Health File Integration.
Since October 2018, he participates as a professor of Informatics in the MSc Information Systems.
Contact details: Department of Management Science and Technology of the International University of Greece, Kavala 65404, Telephone: 2510 462184, Email: fragidis@mst.ihu.gr
SELECTED PUBLICATIONS
Scientific journals:
1. Leonidas L Fragidis and Prodromos D Chatzoglou (2018), “Implementation of a Nationwide Electronic Health Record (EHR): The International Experience in 13 Countries”, International Journal of Health Care Quality Assurance, Volume 31, Issue 2, pp. 116-130
2. Chatzoglou P., Chatzoudes D., Fragidis L. and Symeonidis S. (2017), Examining the Critical Success Factors for ERP Implementation: An Explanatory Study Conducted in SMEs. In: Ziemba E. (eds) Information Technology for Management: New Ideas and Real Solutions. AITM 2016, ISM 2016. Lecture Notes in Business Information Processing, vol 277. Springer, Cham
3. Leonidas L Fragidis and Prodromos D Chatzoglou (2017), “Development of Nationwide Electronic Health Record (ΝEHR): An international survey”, Health Policy and Technology Journal, Volume 6, Issue 2, pp. 125-134, DOI 10.1016/j.hlpt.2017.04.004
4. Leonidas L Fragidis and Prodromos D Chatzoglou, and Vassilios P. Aggelidis (2016), “Integrated Nationwide Electronic Health Records System: Semi-Distributed Architecture Approach”, Technology and Health Care, Volume 24, pp.827-842, DOI 10.3233/THC-161231
5. Nikolaos A Kazakis, Anastasios D Diamantidis, Leonidas L Fragidis and Miltos K Lazarides, ”Evaluating the research performance of the Greek medical schools using bibliometrics”, Scientometrics, Volume 95, Issue 2, pp. 1367-1384, 2014
Conferences:
6. Prodromos Chatzoglou, Leonidas Fragidis, Dimitrios Chatzoudes, and Symeon Symeonidis, “Critical success factors for ERP implementation in SMEs”, Federated Conference on Computer Science and Information Systems (FedCSIS) IEEE, pp.
1243-1252, September 2016
7. Prodromos D. Chatzoglou, Leonidas L. Fragidis, Nestoridou Argiro, and Vassilios P. Aggelidis, ”Health Information Systems: Investigating Greek hospital employees’ intention to use electronic health records”, 6th International Conference on Health
Informatics (HEALTHINF-2013), pp. 187-192, February 2013
8. Prodromos D. Chatzoglou, Leonidas L. Fragidis, Triantafyllia Doumpa, Vasilios Aggelidis, ”Hospital Information System Evaluation”, 10th International Conference
on Information Communication Technologies in Health, July 2012
9. Leonidas L. Fragidis, Prodromos D. Chatzoglou ”Challenges in implementing
nationwide electronic health records: lessons learned and how could be implemented
in Greece”, 10th International Conference on Information Communication
Technologies in Health, pp. 223-229, July 2012
10. Leonidas L. Fragidis, Prodromos D. Chatzoglou, ”The use of Electronic Health
Record in Greece: Current Status”, 11th IEEE International Conference on Computer and Information Technology, pp. 475-480, August 2011
11. L. Fragidis, V. Chatzis, “Modelling Hospital Expenses for a Patient Accounting System”, Proceedings of the 4th International Scientific Conference Computer
Science, pp. 449-455, September 2008
12. V. Mardiris, Ch. Mizas, L. Fragidis and V. Chatzis, “Design and simulation of a QCA 2 to 1 multiplexer”, Proceedings of the 12th WSEAS International Conference on
Copmuters, pp. 572-576, July 2008
13. L. Fragidis, A. Michailidis, V. Mardiris and V. Chatzis, “Web Based Application for Registering Degree Projects”, Proceedings of the 12th WSEAS International
Conference on Copmuters, pp. 567-571, July 2008
14. M. Syggouroglou, L. Fragidis, V. Mardiris and V. Chatzis, “An Internet Application for Lab-Group Booking Using Open Source Software”, Proceedings of the 3rd
WSEAS/IASME International Conference on Educational Technologies, pp. 412-415, October 2007
15. D. Markopoulos, L. Fragidis, V. Mardiris, V. Chatzis, “Web Based html-rich text Editor‘web-editor’Using Open Source Software”, Proceedings of the 3rd International
Scientific Conference Computer Science, pp. 178-183, October 2006
16. L. Fragidis, V. Mardiris, C. Mizas, S. Simeonidis and V. Chatzis, “Electronic
Examinations ‘e-Exams’ Using Open Source Software”, WSEAS Trans. on Information of Science and Applications, vol. 1, iss. 5, pp.1225-1230, November 2004
17. L. Fragidis, V. Mardiris, C. Mizas and V. Chatzis, “Examinations Past Papers ‘e-Bank’ Using Open Source Software”, WSEAS Trans. on Information of Science and
Applications, vol. 1, iss. 5, pp. 1220-1224, November 2004