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Proceedings Paper

Efficient implementation of MQ arithmetic coder
Author(s): Zhirong Gao; Chengyi Xiong; Jianhua Hou
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Paper Abstract

MQ arithmetic coder has been adopted to achieve entropy coding in the latest image compression standard JPEG2000, which is a bit-level operation with intensive branch and feedback thus becomes a serious bottleneck of high speed JPEG2000. In this paper, an efficient implementation scheme for MQ coder was proposed, in which the renormalization process with BYTEOUT was performed in batch fashion instead of gradual iteration as introduced in JPEG2000. Experimental results have proved the validity of this method in decreasing computation complexity.

Paper Details

Date Published: 15 November 2007
PDF: 6 pages
Proc. SPIE 6787, MIPPR 2007: Multispectral Image Processing, 67872J (15 November 2007); doi: 10.1117/12.750295
Show Author Affiliations
Zhirong Gao, South-Central Univ. for Nationalities (China)
Chengyi Xiong, South-Central Univ. for Nationalities (China)
Jianhua Hou, South-Central Univ. for Nationalities (China)


Published in SPIE Proceedings Vol. 6787:
MIPPR 2007: Multispectral Image Processing

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