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2006 IEEE International Conference on Multimedia and Expo
A Pattern-Search Method for H.264/AVC CAVLC Decoding
Toronto, ON, Canada
July 09-July 12
ISBN: 1-4244-0366-7
Shau-yin Tseng, SoC Technology Center, Industrial Technology Research Institute, Hsinchu, Taiwan 310, R.O.C. Tseng@itri.org.tw
Tien-wei Hsieh, SoC Technology Center, Industrial Technology Research Institute, Hsinchu, Taiwan 310, R.O.C. TWHsieh@itri.org.tw
In this paper, a new implementation method is proposed for Context-Adaptive Variable Length Coding (CAVLC) used in H.264 Baseline Profile. We analyze the correlation between bit patterns and 4?4 (or 2?2) blocks and have an idea of a pattern-search method before CAVLC decoding. If a pattern is matched in our look-up table, we can skip the standard CAVLD procedure and reconstruct a block directly. However, if there is not any pattern matched in the table, we have to reconstruct a block by CAVLD. Our lookup tables are built up according to our statistics and analysis. The experimental results show that the performance can be improved 10% compared with the standard CAVLD procedure.
Citation:
Shau-yin Tseng, Tien-wei Hsieh, "A Pattern-Search Method for H.264/AVC CAVLC Decoding," icme, pp.1073-1076, 2006 IEEE International Conference on Multimedia and Expo, 2006
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