摘要： 通过对分形算法的研究,提出一种新的仿射参数，针对新参数的特点采用了相应的压缩算法。同时，对其它分形参数也作了相应的研究，尤其是对8种对称变换模式和定义域块的块间距离进行了深入的分析，从而可以获得较高的压缩比和较少的编码时间，然而解码图像质量并没有明显下降。

关键词: 分形编码, 图像压缩, 仿射参数

Abstract: A new affine parameter is described through the study of fractal coding algorithm. According to the characteristic of the affine parameter , a corresponding compression method is presented. Other parameters are also discussed in this paper , especially for 8 isometry transforms and the distance between domain blocks. With these methods, compression ratio is improved and coding time is decreased, while decoded image quality have no obvious descent .

中图分类号: 

• TN919.81