Roumen Kountchev, Ph.D., D. Sc. is a professor at the Faculty of Telecommunications, Department of Radio Communications and Video Technologies at the Technical University of Sofia, Bulgaria. His scientific areas of interest are: digital signal and image processing, image compression, multimedia watermarking, video communications, pattern recognition and neural networks. Prof. Kountchev has 420 papers published in magazines and conference proceedings; 20 books; 48 book chapters; and 20 patents. At present, he is a member of Euro Mediterranean Academy of Arts and Sciences and the president of the Bulgarian Association for Pattern Recognition (member of IAPR). He has been a plenary speaker at more than 30 international scientific conferences and symposia and edited several books published in Springer SIST series and was a co-editor of Special issues for Symmetry MDPI. Dr. Srikanta Patnaik is a Professor in the Department of Information Technology & Systems Management at I.I.M.T., Bhubaneswar, India. He has received his Ph. D. (Engineering) on Computational Intelligence from Jadavpur University, India in 1999 and supervised 12 Ph. D. theses and more than 30 M. Tech theses in the area of Machine Intelligence, Soft Computing Applications and Re-Engineering. Dr. Patnaik has published more than 60 research papers in international journals and conference proceedings. He is author of 2 text books and edited 12 books and few invited book chapters, published by leading international publisher like Springer-Verlag, Kluwer Academic, etc. Dr. Patnaik was the Principal Investigator of TAPTEC project “Building Cognition for Intelligent Robot” sponsored by All India Council for Technical Education, New Delhi and Major Research Project “Machine Learning and Perception using Cognition Methods” sponsored by University Grant Commission. He is the Editors-in-Chief of International Journal of Information and Communication Technology and International Journal of Computational Vision and Robotics published from Inderscience Publishing House,England and also Editors-in-chief of Book Series on “Modeling and Optimization in Science and Technology” published from Springer, Germany. Prof. Wenfeng Wang is the editor-in-chief of IJANS and IJEEE; EBM of Nature—Scientific Reports; a general chair of the World Conference on Intelligent and 3D Technologies; and a reviewer of many SCI journals, including some top ones—Nature Computational Science, Expert System with Applications, Water Research, Science China-Information Sciences, Science of the Total Environment, Environmental Pollution, IEEE Transactions on Automation Science and Engineering, etc.; Prof. Wenfeng Wang is the plenary/keynote speaker of many international conferences—AMICR2019, IACICE2020, NAMSP2021, AMMCS2021, ICCEAI2021, AICS2021, 3DIT-MSP&DL2020, CSAMCS 2021, AMMCS2021, ICPEM2021, ATAMI2021, ICRDET2022 and etc. 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 200 publications and 5 patents (EU and USA). R. Kountcheva was the plenary speaker at 23 international scientific conferences and scientific events. She edited several books published in Springer SIST series and was co-editor of Special issues for Symmetry MDPI. She is a honorary member of the Honorable Editorial Board of the nonprofit peer-reviewed open-access IJBST Journal Group.