TITLE

Slice loss concealment using bridge pictures in scalable video coding

AUTHOR(S)
Dereboylu, Z.; Worrall, S.; Cellatoglu, A.; Kondoz, A.
PUB. DATE
June 2010
SOURCE
Electronics Letters;6/10/2010, Vol. 46 Issue 12, p842
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The scalable extension of H.264/AVC (scalable video coding, SVC) provides spatial, temporal and/ or quality scalability with a coding performance that is comparable to that of H.264/AVC. As in the transmission of all types of compressed video, packet losses or errors may result in the degradation of SVC reconstructed video quality. A concealment method for SVC is proposed that uses the motion vectors (MVs) of higher temporal level pictures (bridge pictures) to estimate the MVs of a lost slice. The proposed scheme is tested on a spatial base layer and experimental results show that up to 2.2 dB performance improvement is obtained compared to the temporal direct method, which is a non-normative error concealment method of SVC.
ACCESSION #
53472965

 

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