Mode-dependent templates and scan order for H.264/AVC-based intra lossless coding

IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
Zhouye GuMing-Ting Sun

Abstract

In H.264/advanced video coding (AVC), lossless coding and lossy coding share the same entropy coding module. However, the entropy coders in the H.264/AVC standard were original designed for lossy video coding and do not yield adequate performance for lossless video coding. In this paper, we analyze the problem with the current lossless coding scheme and propose a mode-dependent template (MD-template) based method for intra lossless coding. By exploring the statistical redundancy of the prediction residual in the H.264/AVC intra prediction modes, more zero coefficients are generated. By designing a new scan order for each MD-template, the scanned coefficients sequence fits the H.264/AVC entropy coders better. A fast implementation algorithm is also designed. With little computation increase, experimental results confirm that the proposed fast algorithm achieves about 7.2% bit saving compared with the current H.264/AVC fidelity range extensions high profile.

References

Sep 5, 2006·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·Yung-Lyul LeeGary J Sullivan
May 12, 2007·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·Yong-Huai Huang, Kuo-Liang Chung
Aug 10, 2010·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·Manoranjan PaulBu-Sung Lee

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