Professor Ching-Nung Yang obtained his Ph. D. degree in Electrical Engineering at National Cheng Kung University. He was awarded the degrees of B.S. and M.S. from the Department of Telecommunication Engineering at National Chiao Tung University. Professor Yang served at National Dong Hwa University since 1999. His current title is Distinguished Professor in the Department of Computer Science and Information Engineering. He had been Visiting Professor at the University of Missouri Kansas City, University of Milan, and the University of Tokyo. He is currently a Fellow of IET and an IEEE senior member, and also listed in World’s Top 2% Carrier Scientists. Professor Yang’s main research directions are cryptography, multimedia security, data hiding, privacy protection and error correction code. In particular, he has extensive research in visual cryptography and secret image sharing and is the leading scientist in these two fields. He has authored two books and has published more than 350 research papers (academic journals, conferences, and special chapters). Among them, more than 200 SCI journals including more than 50 SCI Q1 (using the impact factor published by Journal Citation Reports in June 2026) and IEEE/ACM Transactions papers; for example: IEEE TIFS, IEEE TIT, IEEE TCSVT, IEEE TPAMI, IEEE TMM, IEEE TWC, IEEE TITS, IEEE TDSC, IEEE TCC, IEEE TSC, IEEE TC, IEEE IoTJ, ACM TOMM, etc.