One of image compression methods based on biorthogonal wavelet transform and LBG algorithm

被引：0
|
作者：
Lin, JN [1 ]
Jing, G [1 ]
Guo, XH [1 ]
机构：
[1] Beijing Mil Med Coll, Ctr Comp, Beijing 100071, Peoples R China
来源：
WAVELET ANALYSIS AND ITS APPLICATIONS (WAA), VOLS 1 AND 2 | 2003年
关键词：
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper,we bring forward one method of Image Compression based on Biorthogonal Wavelet Transform(BWT).First,12/4 Daubechies biorthogonal spine filter pair is used to do multiresolution decomposition of images;then,LBG Algorithm and Optimal nonlinear interpolative vector quantization are adopted to do wavelet coefficients quantization,which makes computing complexity reduce 78 percent; lastly,we put forward an amendable random way which is used to get the initial codebooks of LBG Algorithm, this way improves quantity of codebooks and reconstructed image.
引用
收藏
页码：21 / 26
页数：6
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