S.R. Roumiana Kountcheva got her M.Sc. and Ph.D. at the Technical University of Sofia, Bulgaria, and in 1992, she got the title Senior Researcher. At present, she is the vice president of TK Engineering, Sofia. She had postgraduate trainings in Fujitsu and Fanuc, Japan. Her main scientific interests are in image processing, image compression, digital watermarking, pattern recognition, image tensor representation, neural networks, CNC, and programmable controllers. She has more than 220 publications and 5 international patents (EU and USA). R. Kountcheva was the plenary speaker at 28 international scientific conferences and scientific events. She is a member of international organizations: Bulgarian Association for Pattern Recognition, International Research Institute for Economics and Management (IRIEM), the Institute of Data Science and Artificial Intelligence (IDSAI), and is a honorary member of the Honorable Editorial Board of the nonprofit peer reviewed open access IJBST Journal Group. Prof. Srikanta Patnaik is presently working as the 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. He is the 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 the editor-in-chief of Book Series on “Modeling and Optimization in Science and Technology” published by Springer, Germany. Dr. Yingkai Liu is the dean of the Institute of Physics and Electronic Information, Yunnan Normal University. He obtained his MS degree in condensed matter physics from Yunnan University in 1998 and Ph.D. in condensed matter physics in 2002 from Nanjing University. He then did his postdoctoral research in the Center of Super-Diamond and Advanced Films (COSDAF) at City University of Hong Kong before joining Yunnan Normal University. He visited City University of Hong Kong from September to June 2019 and Rice University from February to December 2018. His research interests include nanomaterial synthesis & characterization, and Nano device fabrication for photodetectors, gas sensors, environment and biomedical applications. Up to now, he has published 78 articles in the world-famous journals such as Advanced Materials, Advanced Optical Materials, Sensors and Actuators B, Applied Physics Letters, and Nanomaterials. His papers were cited 1800 times by other people.
