Alibaba Video Cloud
Senior Staff Engineer
Dr. Lou received his Ph.D degree from the University of Washington. He has 20+ years of research and development experience on video compression, processing, networking, streaming, hardware and cloud serivce. He has been granted of 30+ US patents with more being pending.Dr. Lou was one of the co-editors and reference software coordinators of the AVS1.0/IEEE1857 standard. He has contributed 10+ standard techniques into AVS1.0/IEEE1857.Dr. Lou was a principal video scientist and video standard delegate in Motorola and he has contributed 10+ standard techniques into the HEVC main profile.Dr. Lou was a video architect in Apple where he worked on the first three generations of Apple Video Encoder. The product was the key component of Apple FaceTime, Airplay, video capture and video transcoding.Dr. Lou was the pricinpal video scientist of ‪Agora.io‬ where he founded the video team.Dr. Lou is now a senior staff engineer of Alibaba video cloud team. He is now in charge of video product R&D.
Topic: Video Encoder design on heterogeneous platforms
2019-04-20 11:30 - 12:15
Video Encoder is the key component of video cloud. It could run on different platforms. However, there are pros and cons on compression ratio, performance and cost for a single platform. The optimal solution could be achieved by combining different platforms into a heterogeneous one and utilizes all the advantages by encoder algorithms.
in Track
Video Codec
Video Codec is the field that relatively mature but rapid development constantly, new standard of video codec is endless, and new technology application is also changing quickly, the result of these factors is to inject young blood and energy into traditional field constantly, and it means that the engineers and researchers from the field need to learn new technology and develop new algorithm for meeting updated standard.2019 is important year for video codec, VVC standard is expected to be completed before long, more and more companies will invest in VVC that is being productized,the optimization and productization of AV1 and AVS3 will bring new scenery for industry. In addition, the devices with HDR screen and powerful GPU will become popular, and will also promote the popularization of a set of related technology and application.
Topics in the same Track
Haitao Yang
The international standard organization MPEG and VCEG jointly launched the technical solution development of the new generation video coding standard VVC (Versatile Video Coding) in April 2018. Starting from the stage of Call for Proposal, VVC has been aiming at three major applications of ultra-high definition video, HDR video and 360 panoramic video, to explore innovative technologies. In the scheme design, VVC follows the traditional block-based hybrid coding architecture, and developed a number of innovative technologies in different modules including block partition, intra-frame and inter-frame prediction, transform, quantization, and entropy coding, which significantly improve compression efficiency. In addition, functionalities such as reference picture management and sub-picture parallel processing are improved and enhanced, which enables better encoder flexibility and more efficiently processing of large-resolution pictures. Work on the planned VVC standard will end in October 2020, and all experts in the standard committee will continue to optimize existing solutions based on industry feedback in the next 18 months.
Lu Yu
Shanshe Wang
The main content of National standard of video coding and its latest development is to elaborate the evolution of AVS video coding standard and the current development and key coding technologies of the new generation video coding standard AVS3. It will help the researchers to further understand AVS and advanced video coding technologies. It is also benefit to improve the understanding of video coding technologies.
Shitao Wang
TPG is a picture compression format developed by Tencent Media Lab. In this talk, we will introduce the development process of TPG. we will also introduce our recent work on screen content coding and its application in wireless projection.
Zoe Liu
Gang Bai
This paper analyzes the characteristics and challenges of real-time cloud video communication, and introduces the video coding technology in real-time cloud video communication. This paper mainly introduces the architecture and coding technology of screen content video sharing. It is suitable for listeners interested in real-time cloud video communication and screen content sharing to help them understand the difficulties and solutions of real-time cloud video communication and desktop content sharing.
Huifeng Shen
This talk presents one learning-based scheme for selecting optimal rate-control parameters in video encoding. Firstly, we will propose an automatic labeling method for optimal rate-control parameters. Then, we will propose the end-to-end deep learning method for learning the optimal rate control for each video shot. Experiments will show our scheme can save bitrates remarkably compared with the one using fixed rate-control parameters.