A new fast no search fractal image compression in DCT domain

被引：6
|
作者：
Salarian, Mehdi [1 ]
Hassanpour, Hamid [1 ]
机构：
[1] Univ Mazandaran, Noushirvani Inst Technol, Dept Comp & Elect Engn, Babol Sar, Iran
来源：
INTERNATIONAL CONFERENCE ON MACHINE VISION 2007, PROCEEDINGS | 2007年
关键词：
fractal image; nosearch; DCT transformation;
D O I：
10.1109/ICMV.2007.4469274
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 nosearch fractal image compression in DCT domain is proposed. Here for each range block we have considered one domain block and searched only for contrast scaling. Therefore the fractal code doesn't contain coordinates of matched domain block. The advantage of this method is that the quadtree algorithm can be applied and the size of the range block can be as small as 2 x 2 pixels. Therefore the quality of decoded image can be improved while the compression rate is maintained. Some simulation results verify that the proposed method achieved higher coding -performance than nosearch methods In spatial and wavelet domain.
引用
收藏
页码：62 / 66
页数：5
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