JPEG2000 adaptive rate control for embedded systems

被引：0
|
作者：
Masuzaki, T [1 ]
Tsutsui, H [1 ]
Izumi, T [1 ]
Onoye, T [1 ]
Nakamura, Y [1 ]
机构：
[1] Kyoto Univ, Grad Sch Informat, Dept Commun & Comp Engn, Kyoto 6068501, Japan
来源：
2002 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL IV, PROCEEDINGS | 2002年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A novel rate control scheme is proposed dedicatedly for, JPEG2000 image coding. By predicting bitrate of coded data and updating it adaptively, the proposed scheme can be executed in parallel with the code-block coding of code-block coding such as coefficient bit modeling and arithmetic coding. The proposed scheme successfully reduces computational cost and working memory size of the process down to 29% and 13%, respectively, comparing to a conventional approach in case of 1/16 compression, and hence is suitable, to be used in embedded systems.
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页码：333 / 336
页数：4
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