Efficient subband-partitioning block coding for embedded lossy to lossless image compression

被引：0
|
作者：
Zhang, LB [1 ]
Zhao, M [1 ]
Wang, LR [1 ]
Wang, K [1 ]
机构：
[1] Jilin Univ, Commun Engn Coll, Changchun 130025, Peoples R China
来源：
2004 7TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING PROCEEDINGS, VOLS 1-3 | 2004年
关键词：
image compression; wavelet transform; subband partitioning; block coding;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, a new algorithm so-called SPBC (Subband-Partitioning Block Coding) is presented based on set partitioning scheme. the new method sets all image transform coefficients as partitioning set in initialization and uses single quadtree partitioning scheme instead of set partitioning and octave band partitioning of SPECK algorithm. Experiment results show that the SPBC algorithm reduces the coding complexity. The lossless compression performance is comparable to FPEG-LS and SPIHT. The lossy PSNR performance is quite competitive with the SPIHT and SPECK algorithm using the Daubechies 9/7.
引用
收藏
页码：808 / 811
页数：4
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