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学术报告:Towards Global Rate Distortion Optimization in Video Coding: Challenges and Recent Developments

朱策任职于电子科技大学信息与通信学院,****特聘教授,IEEE FellowIEEE两个学会(CASSBTS)的杰出讲座人(Distinguished Lecturer)。长期致力于视频图像处理的教学与研究工作。先后担任了8SCI国际学术期刊编委(其中5个为IEEE期刊,如IEEE Transactions on Image ProcessingIEEE Transactions on Circuits and Systems for Video Technology),担任了多个国际学术会议程序委员会主席,包括IEEE ICME 2017的程序委员会共同主席(TPC Co-Chair)并荣获杰出领导奖(Outstanding Leadership Award)。20172018年度连续入选爱思唯尔(Elsevier)中国高被引学者(Chinese Most Cited Researchers)榜单。更多信息请参见主页http://www.avc2-lab.net/~eczhu

 

报告题目:Towards Global Rate Distortion Optimization in Video Coding: Challenges and Recent Developments

时间:20191014日(周一)下午230

地点:12316

摘要:The past decades have witnessed great advancement of video coding techniques and their wide applications in video storage and delivery, where rate-distortion optimization (RDO) plays a crucial role to maximize coding efficiency in video coding. In the current block-based hybrid video coding using motion compensation, the RDO is typically performed on the block level individually and independently, which is far from being optimal as it ignores the strong spatial-temporal dependency. However a global RDO problem becomes so complex that the processing of each coding unit is dependent and entangled each other due to the extensive use of spatial-temporal predictions in video coding. In the talk, I will discuss the challenges of achieving global RDO in one-pass video coding and present our recent work considering the temporal dependency on top of the latest video coding standard HEVC.


更新时间:2019-10-12

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