A hybrid image compression algorithm based on fractal coding and wavelet transform

被引：0
|
作者：
Andreopoulos, I [1 ]
Karayiannis, YA [1 ]
Stouraitis, T [1 ]
机构：
[1] Univ Patras, Dept Elect & Comp Engn, VLSI Design Lab, Rio 26500, Greece
来源：
ISCAS 2000: IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS - PROCEEDINGS, VOL III: EMERGING TECHNOLOGIES FOR THE 21ST CENTURY | 2000年
关键词：
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：
Recently, in order to achieve satisfactory image and video quality and fast transmission in sometimes very low bandwidth channels, the demand for high compression ratios and fast speed in the coding and decoding procedure has been increased. A novel algorithm for very high compression of images is proposed in this paper. First of all the image is decomposed through a wavelet transform. Then the low frequency part of the decomposed image is coded by using a near lossless method while the rest of the image is coded by using a fractal coding techniques. In addition, two classification methods are applied sequentially, increasing the speed of the image compression algorithm while preserving the good results with respect to PSNR and compression ratio. Its performance is compared to existing standard algorithms achieving superior results in compression ratio as well as in speed.
引用
收藏
页码：37 / 40
页数：4
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