DocumentCode
3483085
Title
New CAVLC design for lossless intra coding
Author
Heo, Jin ; Kim, Seung-Hwan ; Ho, Yo-Sung
Author_Institution
Gwangju Inst. of Sci. & Technol., Gwangju, South Korea
fYear
2009
fDate
7-10 Nov. 2009
Firstpage
637
Lastpage
640
Abstract
The context-based adaptive variable length coder (CAVLC) in H.264/AVC is not appropriate for lossless video coding because it was designed for lossy video coding. Since statistical characteristics of residual data in lossy and lossless coding are quite different, we design a new VLC table for the number of non-zero coefficients and an adaptive scheme for VLC table selection in level coding for lossless intra coding. Experimental results show that the proposed CAVLC scheme provides approximately 10% bit saving, compared to the original CAVLC scheme in H.264/AVC.
Keywords
data compression; video codecs; video coding; CAVLC design; H.264 AVC; context-based adaptive variable length coder; lossless intra coding; lossless video coding; lossy video coding; Appropriate technology; Automatic voltage control; Encoding; Entropy coding; Frequency; Image coding; Probability; Pulse modulation; Quantization; Video coding; CAVLC; H.264/AVC; lossless intra coding;
fLanguage
English
Publisher
ieee
Conference_Titel
Image Processing (ICIP), 2009 16th IEEE International Conference on
Conference_Location
Cairo
ISSN
1522-4880
Print_ISBN
978-1-4244-5653-6
Electronic_ISBN
1522-4880
Type
conf
DOI
10.1109/ICIP.2009.5413838
Filename
5413838
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