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Titolo:
The CBERC: A content-based error-resilient coding technique for packet video communications
Autore:
Chen, WHJ; Hwang, JN;
Indirizzi:
Broadcom Corp, Irvine, CA 92619 USA Broadcom Corp Irvine CA USA 92619Broadcom Corp, Irvine, CA 92619 USA Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA Univ Washington Seattle WA USA 98195 pt Elect Engn, Seattle, WA 98195 USA
Titolo Testata:
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY
fascicolo: 8, volume: 11, anno: 2001,
pagine: 974 - 980
SICI:
1051-8215(200108)11:8<974:TCACEC>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONCEALMENT; TRANSMISSION; IMAGES;
Keywords:
content-based error-resilient coding (CBERC); error concealment; error propagation (EP); H.263+; packet loss;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
7
Recensione:
Indirizzi per estratti:
Indirizzo: Chen, WHJ Broadcom Corp, Irvine, CA 92619 USA Broadcom Corp Irvine CA USA92619 om Corp, Irvine, CA 92619 USA
Citazione:
W.H.J. Chen e J.N. Hwang, "The CBERC: A content-based error-resilient coding technique for packet video communications", IEEE CIR SV, 11(8), 2001, pp. 974-980

Abstract

This paper investigates robust transmission of coded video sequence over unreliable packet networks. A content-based error-resilient coding (CBERC) algorithm is proposed to prevent severe error propagation. Specifically, theCBERC encoder performs motion-compensated prediction by taking video content into consideration. A criterion based on worst-case scenario is also provided to determine appropriate CBERC threshold. The CBERC algorithm does not require a feedback channel and supports both point-to-point and multi-point communications. It is of low complexity and is compatible with all the widely accepted video coding standards such as H.263+, H.261, MPEG-1, MPEG-2and MPEG-4.

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Documento generato il 24/09/20 alle ore 23:48:24