Friday, December 8, 2017
3:00pm - 4:00pm
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Speaker: Eun-Seok Ryu, Assistant Professor, Gachon University
360-degree Video Standard and Streaming Technologies for Mobile Virtual Reality
These days 360-degree video processing technologies for virtual reality (VR) service are emerging. ISO/IEC MPEG and ITU-T VCEG are developing video standards for 360-degree video processing and file format together such as MPEG-I (Immersive media) and JVET Future Video Coding (FVC). Thus, this presentation introduces 360-degree video standard work and streaming technologies for mobile VR. It consists of three topics: (1) a new HEVC Tile allocation method considering the computational ability of asymmetric multicores as well as the computational complexity of each Tile. (2) 360-degree video standard work including the novel streaming technology that uses Motion-Constrained Tile Set (MCTS). The user viewpoint-based video tile streaming reduces bandwidth as well as the response time of user movement remarkably. (3) 360-degree video streaming over mmWave communication. The topic introduces the streaming strategies using raw video and entropy-coded raw video.
Eun-Seok Ryu is an Assistant Professor at the Department of Computer Engineering at Gachon University, Seongnam, Korea. Prior to joining the University in 2015, he was a Principal Engineer at Samsung Electronics, Suwon, Korea, where he led a multimedia team as a director. He was a Staff Engineer at InterDigital Labs, San Diego, California, USA, from Jan. 2011 to Feb. 2014, where he researched and contributed to next-generation video coding standards such as HEVC and SHVC. From Sep. 2008 to Dec. 2010, he was a Postdoctoral Research Fellow at GCATT (Georgia Centers for Advanced Telecommunications Technology) in the School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia USA. In 2008, he was a Research Professor at the research institute for information and communication technology at Korea University, Seoul, Korea. His research interests are in the area of multimedia communications that includes video source coding and wireless mobile systems. He received his B.S., M.S., and Ph.D. in computer science from Korea University in 1999, 2001, and 2008, respectively. He is a Senior Member of the IEEE, IEEE Computer Society, and IEEE Communications Society.
Last revised May 23, 2018