An Image Compression Algorithm Based on Improved Hybrid Wavelets and Directional Filter Banks

被引：0
|
作者：
Yang, Chun-ling [1 ]
Cao, Duan-wu [1 ]
Xu, Xiao-lin [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou, Guangdong, Peoples R China
来源：
2ND INTERNATIONAL SYMPOSIUM ON COMPUTER NETWORK AND MULTIMEDIA TECHNOLOGY (CNMT 2010), VOLS 1 AND 2 | 2010年
关键词：
Image compression; wavelet transform; directional filter bang(DFB); hybrid wavelet and directional filter banks(HWD);
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：
In this paper, by researching on the relationship between directional decomposition and ringing artifact, an improved decomposition approach of HWD(IHWD) is proposed to reduce the ringing artifact induced by the quantization of the HWD coefficients. In addition, the IHWD is applied into the JPEG2000 coding framework, and a new still image compression algorithm IJPEG2000 is proposed, which also uses directional weighting. The experimental results show that IJPEG2000 has better performance than JPEG2000 whether on objective evaluation method or on subjective visual feeling.
引用
收藏
页码：169 / 172
页数：4
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