A novel subtree partitioning algorithm for wavelet-based fractal image coding

被引：0
|
作者：
Po, LM [1 ]
Zhang, Y [1 ]
Cheung, KW [1 ]
Cheung, CH [1 ]
机构：
[1] City Univ Hong Kong, Dept Elect Engn, CityU Image Proc Lab, Hong Kong, Peoples R China
来源：
PROCEEDINGS OF THE 1998 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, VOLS 1-6 | 1998年
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, a novel wavelet subtree partitioning algorithm is proposed, which divides a subtree into scalar quantized wavelet coefficients and fractal coded sub-subtree. Based on this new technique, a variable size wavelet subtree fractal coding scheme for still image compression is developed. Experimental results show that the new scheme can achieve nearly optimal partition of wavelet subtree with substantially computational reduction as compared with Davis' scheme.
引用
收藏
页码：2677 / 2680
页数：4
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