Title :
An MDSQ-based seamless MDVC in P2P
Author :
Zhu, Shuyuan ; Yeung, Siu-Kei Au ; Zeng, Bing
Author_Institution :
Dept. of Electron. & Comput. Eng., Hong Kong Univ. of Sci. & Technol., Hong Kong, China
Abstract :
Multiple-description coding (MDC) is a source coding technique which provides an effective way to mitigate the effects of packet errors/loses by making use of multiple channels. The most attractive application of MDC is perhaps the multiple-description video coding (MDVC) in the peer-to-peer (P2P) scenario so as to support simultaneous video streaming to a large population of clients. To this end, a number of MDVC schemes (both non-scalable and scalable) have been proposed in the past few years. However, almost all non-scalable schemes would suffer from the prediction mismatch between the references used at the encoder and decoder sides (for motion compensation); whereas most scalable schemes (involving a base-layer and some enhancement layers) would suffer from the inter-dependency within the enhancement-layer information. In this paper, we keep a common base-layer in all descriptions and propose some novel design of multiple-description scalar quantizer (MDSQ) that is applied on the enhancement-layer. As a result, this scheme can overcome the above drawbacks and more importantly achieve the seamless streaming among all peers.
Keywords :
motion compensation; peer-to-peer computing; source coding; video coding; video streaming; MDVC; P2P; decoder; encoder; enhancement-layer; enhancement-layer information; motion compensation; multiple channels; multiple-description scalar quantizer; multiple-description video coding; peer-to-peer; seamless streaming; source coding technique; video streaming; Application software; Computer errors; Decoding; Gold; Motion compensation; Peer to peer computing; Solids; Source coding; Streaming media; Video coding;
Conference_Titel :
Communications and Networking in China, 2009. ChinaCOM 2009. Fourth International Conference on
Conference_Location :
Xian
Print_ISBN :
978-1-4244-4337-6
Electronic_ISBN :
978-1-4244-4337-6
DOI :
10.1109/CHINACOM.2009.5339951