Roumen Kountchev is a professor at the Technical University of Sofia. He got his PhD degree at the Institute of Telecommunications at Sankt-Petersburg, Russia and defended his dissertation for Doctor of Sciences at TU-Sofia. His scientific areas of interest are: digital signal and image processing, image compression, multimedia watermarking, video communications, pattern recognition and neural networks. Prof. R. Kountchev has 342 papers published in magazines and conference proceedings, and also: 30 books (20 published by Springer-Verlag, Germany); 50 book chapters and 20 patents (3 US). He had been principle investigator of 38 research projects. At present he is a member of Euro Mediterranean Academy of Arts and Sciences (EMAAS) and President of Bulgarian Association for Pattern Recognition (member of IAPR). Editorial board member of: Intern. Journal of Reasoning-based Intelligent Systems; Intern. Journal Broad Research in Artificial Intelligence and Neuroscience; KES Focus Group on Intelligent Decision Technologies; Egyptian Computer Science Journal; Intern. Journal of Bio-Medical Informatics and e-Health, and Intern. Journal Intelligent Decision Technologies. He has been a plenary speaker in many international scientific conferences and workshops.  Prof. Srikanta Patnaik is presently working as director of Interscience Institute of Management & Technology, Bhubaneswar, India. He has received his Ph. D. (Engineering) on Computational Intelligence from Jadavpur University, India in 1999. He has  supervised 32 Ph. D. Theses and more than 60 Master theses in the area of Computational Intelligence, Soft Computing Applications and Re-Engineering. Dr. Patnaik has published more than 100 research papers in international journals and conference proceedings. He is author of 3 text books and more than 100 edited volumes and few invited book chapters, published by leading international publisher like IEEE, ACM, Elsevier, Springer-Verlag, Kluwer Academic, SPIE, IOS Press and others. Dr. Patnaik is the Editor-in-Chief of International Journal of Information and Communication Technology and International Journal of Computational Vision and Robotics published by Inderscience Publishing House, England and also Editor-in-chief of Book Series on “Modeling and Optimization in Science and Technology” published by Springer, Germany. He is the Editor of Journal of Information and Communication Convergence Engineering, published by Korean Institute of Information and Communication Convergence Engineering. Prof. Patnaik is a Guest Professor to Hunan University of Finance and Economics, Changsha and Kunming University of Science and Technology, Kunming, China and visiting professors to some of the B-Schools  of Europe and South East Asia. He is a member of Institute of Electrical and Electronics Engineering (IEEE) and Association for Computing Machinery (ACM). He is also Fellow of IETE, Life Memberof ISTE, and CSI. Dr. Patnaik has visited various countries such as Japan, China, Hong Kong, Singapore, Indonesia, Iran, Malaysia, Philippines, South Korea, United Arab Emirates, Morocco, Algeria, Thailand and Vietnam for delivering Key note addresses at various conferences and symposiums.  Kazumi Nakamatsu received the Ms. Eng. and Dr. Sci. from Shizuoka University and Kyushu University, Japan, respectively. His research interests encompass various kinds of logic and their applications to Computer Science, especially paraconsistent annotated logic programs and their applications. He has developed some paraconsistent annotated logic programs called ALPSN (Annotated Logic Program with Strong Negation), VALPSN(Vector ALPSN), EVALPSN(Extended VALPSN) and bf-EVALPSN (before-after EVALPSN) recently, and applied them to various intelligent systems such as a safety verification based railway interlocking control system and process order control. He is an author of over 180papers and 30 book chapters, and 20 edited books published by prominent publishers. Kazumi Nakamatsu has chaired various international conferences, workshops and invited sessions, and he has been a member of numerous international program committees of workshops and conferences in the area of Computer Science. He has served as the Editor-in-Chief of the International Journal of Reasoning-based Intelligent Systems(IJRIS), he is now the founding editor of IJRIS, and an editorial board member of many international journals. He has contributed numerous invited lectures at international workshops, conferences, and academic organizations. He also is a recipient of numerous research paper awards. Roumiana Kountcheva got her PhD at TU-Sofia, and became senior researcher in 1993. She is the Vice president of TK Engineering, Sofia and participates in R&D scientific projects of the Technical University of Sofia, Bulgaria. Her scientific interests are in image processing, image compression,digital watermarking, image tensor representation, CNCs, programmable controllers. She has more than 190 scientific publications and 5 patents and participated in 49 scientific research projects. R. Kountcheva is a member of Bulgarian Association for Pattern Recognition (IAPR); International Research Institute for Economics and Management (IRIEM); Institute of Data Science and Artificial Intelligence (IDSAI); Honorary Member of the Honorable Editorial Board of the nonprofit peer reviewed open access IJBST Journal Group, etc. Reviewer of WSEAS, NAUN, etc. She presented her research achievements in more 21 plenary speeches at international conferences and other scientific events and edited several books published in Springer SIST series.