Perceptual Quality

Benjamin W. Wah is an Emeritus Professor at The Chinese University of Hong Kong (CUHK) and the Franklin W. Woeltge Emeritus Professor of Electrical and Computer Engineering at the University of Illinois at Urbana-Champaign (UIUC), USA. He previously served as Provost and Wei Lun Professor of Computer Science and Engineering at CUHK, Chair of the Hong Kong Research Grants Council, and Franklin W. Woeltge Professor at UIUC. He received his Ph.D. in Computer Science from the University of California, Berkeley.Professor Wah’s contributions span big data, multimedia, artificial intelligence, and computer systems, earning him numerous prestigious honors. These include the IEEE CS Technical Achievement Award, IEEE Millennium Medal, W. Wallace-McDowell Award, Richard E. Merwin Award, Tsutomu Kanai Award, the Distinguished Alumni Award from UC Berkeley, and the Bronze Bauhinia Star (Hong Kong). From 2013 to 2018, he served as Chief Scientist of China’s 973 Project on “Theory and Applications of Network Big Data Computations.”His editorial leadership includes co-founding the IEEE Transactions on Knowledge and Data Engineering and serving as its Editor-in-Chief (1993–1996). He is currently co-Editor-in-Chief of Computers and Education: Artificial Intelligence (Elsevier) and Honorary Editor-in-Chief of Knowledge and Information Systems. He also serves on editorial boards of several journals, including Information Sciences, World Wide Web, and Journal of Computer Science and Technology. A dedicated leader in the IEEE Computer Society, he served as Vice President for Publications (1998–1999) and President (2001). He is a Fellow of the AAAS, ACM, and IEEE.Jingxi Xu is the Co-Founder and Director of DreamTech. He earned his Ph.D. from the Chinese University of Hong Kong, specializing in multimedia networking and QoE optimization. Jingxi subsequently joined Tencent, where he made significant contributions to the network transmission core for WeMeet. Currently, he is dedicated to developing a high-efficiency general platform for 3D Al-generated content (AlGC), aiming to revolutionize how digital content is created and consumed.

• Part I: Background.- 1 Online Interactive Multimedia Systems.- 2 Network Controls and Supports.- Part II. Perception Models and Theory.- 3 Human Perception Research.- 4 Offline Simplex Perceptual Model.- 5 Offline Multi-Metric Joint Perceptual Model.- 6 Online Generalization of Offline Models.- Part III: Case Studies.- 7 Case Study on Audio Conferencing Systems.- 8 Case Study on Multi-Player Online Interactive Games.-9 Conclusions.