A lossless-by-lossy approach to lossless image compression

被引：2
|
作者：
Shinoda, Kazuma [1 ]
Kikuchi, Hisakazu [1 ]
Muramatsu, Shogo [1 ]
机构：
[1] Niigata Univ, Dept Elect & Elect Engn, Niigata 9502181, Japan
来源：
2006 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, ICIP 2006, PROCEEDINGS | 2006年
关键词：
image coding; wavelet transforms;
D O I：
10.1109/ICIP.2006.312814
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper proposes a method of lossless image coding by the aid of lossy image coding. It aims at an improvement in the compression efficiency. We apply a kind of embedded coding to large coefficients in magnitude in a wavelet transform domain. The other wavelet coefficients are encoded by a context-based entropy coding. The result slightly outperforms the compression efficiency in JPEG-LS.
引用
收藏
页码：2265 / +
页数：2
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