Title :
An efficient error concealment implementation for MPEG-4 video streams
Author :
Valente, Stéphane ; Dufour, Cécile ; Groliére, Fraqoise ; Snook, Daniel
Author_Institution :
Video & Commun. Group, LEP/Philips Res., France
fDate :
8/1/2001 12:00:00 AM
Abstract :
This paper presents an efficient error concealment implementation for damaged MPEG-4 video bitstreams. The chosen spatial and temporal concealment algorithms are designed to fit in real-time decoders and are advantageously combined in a hybrid spatial/temporal approach to provide visually more plausible pictures than basic concealment techniques. In addition, the encoder impact on the visual quality of the reconstruction in presence of channel errors is highlighted
Keywords :
code standards; coding errors; data compression; decoding; image reconstruction; interpolation; telecommunication standards; video coding; MPEG-4 standard; MPEG-4 video streams; channel errors; efficient error concealment implementation; hybrid spatial/temporal approach; real-time decoders; spatial concealment algorithms; spatial interpolation algorithms; temporal concealment algorithms; temporal interpolation algorithms; video reconstruction; visual quality; Algorithm design and analysis; Code standards; Decoding; IP networks; Interleaved codes; Interpolation; MPEG 4 Standard; Propagation losses; Streaming media; Subspace constraints;
Journal_Title :
Consumer Electronics, IEEE Transactions on
