Fractal Image Coding Based on Oriented Wavelet Sub-tree

被引：0
|
作者：
Jiang Shan [1 ]
Shuang Kai [1 ]
Sun Li Wei [1 ]
机构：
[1] China Univ Petr, Mech & Elect Engn Dept, Beijing 102249, Peoples R China
来源：
ISCSCT 2008: INTERNATIONAL SYMPOSIUM ON COMPUTER SCIENCE AND COMPUTATIONAL TECHNOLOGY, VOL 1, PROCEEDINGS | 2008年
关键词：
fractal; wavelet; image compression;
D O I：
10.1109/ISCSCT.2008.148
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We propose an improved fractal image coding algorithm based on oriented wavelet sub-tree. The algorithm couples the wavelet transform with fractal coding, set the scanning manner according to the orientation of wavelet sub-tree. It could improve the matching precision better. In addition to improving compression performance, the proposed algorithm also couples the zero-tree structure, wipes off large numbers of non-important coefficients availably, and shortens the searching time effectively.
引用
收藏
页码：273 / +
页数：2
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