NDLI: A pixel-domain mode-mapping based SVC-to-AVC transcoder with coarse grain quality scalability

Content Provider	IEEE Xplore Digital Library
Author	Lei Sun Zhenyu Liu Ikenaga, T.
Copyright Year	2012
Description	Author affiliation: National Laboratory for Information Science and Technology, Tsinghua University, China (Zhenyu Liu) \|\| Graduate School of Information, Production and Systems, Waseda University, Japan (Lei Sun; Ikenaga, T.)
Abstract	As an extension of AVC, SVC provides the ability to adapt to heterogeneous environments. However, transcoding between SVC and AVC becomes necessary due to the existence of legacy AVC-based systems. This paper proposes a low-complexity SVC-to-AVC CGS transcoder in the pixel domain, which achieves approximately the same coding efficiency as the full re-encoding method. The output AVC bitstream modes are deduced by the proposed mode-mapping strategy. Different from previous works which simply use full search for SVC modes, the SVC modes are also examined and refined to generate suitable AVC modes in the proposed method. Simulation results show that proposed transcoder achieves 10 times speed-up with only 2% BDBR increase and 0.08 dB BDPSNR loss, compared with the full re-encoding method.
Starting Page	939
Ending Page	942
File Size	306897
Page Count	4
File Format	PDF
ISBN	9781467322164
ISSN	10514651
e-ISBN	9784990644109
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-11
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	ICPR Org Committee
Subject Keyword	Static VAr compensators Transcoding Scalability Video coding Standards Accuracy
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition

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