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时间 报告人
方式 地点

主 讲 人:Weisi Lin教授

地  点:祥联厅

主 办 方:物理与信息工程学院

开始时间:2018-12-18 09:50


Great success has been achieved in image/video compression during the past three decades with  fruitful effort of both academia and industries (resulting in the current ITU/MPEG/JPEG/AVS standards and all related products and services launched). Due to the huge, rapidly-increasing data volume in various visual signals consume the dominant portion of storage and bandwidth for a typical multimedia system today, even after being compressed with state-of-the-art technology, in comparison with other media types (speech, audio, text and others). Therefore, there is a need of further, substantial enhancement of video coding technology.

In this talk, our research effort will be presented along two major directions. First, several new, non-conventional paradigms are to be explored, since, after so many years of intensive effort in the field, the room for further improvement in coding efficiency is diminishing in the current  framework. More revolutionary approaches are badly in need to be investigated. Secondly, we will then discuss coder optimization, perceptual coding, and post-processing and evaluation techniques compatible with existing video coding standards, and this is meaningful because it takes about 10 years to develop a new-generation video coding standard. It is hoped that the presentation could trigger and stimulate discussions and joint exploration in the related areas, including coding of emerging forms of visual signals like screen content images and 3D point clouds, as well as opportunities in the context of AI and big data. 


林维斯教授Dr Lin Weisi is an active researcher in image processing, perception-based signal modelling and assessment, video compression, and multimedia communication systems. In the said areas, he has published 180+ international journal papers and 230+ international conference papers, 7 patents, 9 book chapters, 2 authored books and 3 edited books, as well as excellent track record in leading and delivering more than 10 major funded projects (with over S$7m research funding). He earned his BSc and MSc from Sun Yat-Sen University, China, and Ph.D from King’s College, University of London. He had been the Lab Head, Visual Processing, Institute for Infocomm Research (I2R). He is a Professor in School of Computer Science and Engineering, Nanyang Technological University, where he served as the Associate Chair (Graduate Studies) in 2013-2014. 

He is a Fellow of IEEE and IET, and an Honorary Fellow of Singapore Institute of Engineering Technologists. He has been elected as a Distinguished Lecturer in both IEEE Circuits and Systems Society (2016-17) and Asia-Pacific Signal and Information Processing Association (2012-13), and given keynote/invited/tutorial/panel talks to 20+ international conferences during the past 10 years.  He has been an Associate Editor for IEEE Trans. on Image Processing, IEEE Trans. on Circuits and Systems for Video Technology, IEEE Trans. on Multimedia, IEEE Signal Processing Letters, Quality and User Experience, and Journal of Visual Communication and Image Representation. He was also the Guest Editor for 7 special issues in international journals, and chaired the IEEE MMTC QoE Interest Group (2012-2014); he has been a Technical Program Chair for IEEE Int’l Conf. Multimedia and Expo (ICME 2013), International Workshop on Quality of Multimedia Experience (QoMEX 2014), International Packet Video Workshop (PV 2015), Pacific-Rim Conf. on Multimedia (PCM 2012) and IEEE Visual Communications and Image Processing (VCIP 2017). He believes that good theory is practical, and has delivered 10 major systems and modules for industrial deployment with the technology developed.





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