JPEG2000算术编码器的改进算法与实现

›› 2010, Vol. 23 ›› Issue (8): 15-.

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An Improved Algorithm for the Arithmetic Encoder in JPEG2000 and its Implementation

XIE Hui, WANG Jiao, XU Lei

(Institute of Pattern Recognition and Intelligence Control,Xidian University,Xi'an 710071,China)

Online:2010-08-15 Published:2011-03-28

As a new still image compression standard,JPEG2000 has many advantages,such as higher compression rate and multi-resolution format.JPEG2000 coding is embedded block coding with optimized truncation (EBCOT),and the process of code adopts the MQ arithmetic coding.This paper analyzes the deficiency of MQ arithmetic coder in coding the image with single content and less information,and proposes an improved algorithm of the MQ arithmetic coder to improve the PSNR of coding the simple images and the quality of the decoded images.

Key words: JPEG2000;EBCOT;MQ arithmetic coding

CLC Number:

TN919.81

Cite this article

XIE Hui, WANG Jiao, XU Lei. An Improved Algorithm for the Arithmetic Encoder in JPEG2000 and its Implementation[J]., 2010, 23(8): 15-.

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