摘要
分形图像压缩是近年产生的图像压缩技术 ,它以分形几何为数学基础 ,将原始数字图像看作压缩变换的吸引子 .其压缩编码思想是将图像划分为互不重叠的值块 ,同时以相互重叠的域块构成图像的虚拟码书 ,由最小均方差准则在虚拟码书中搜索与值块最相匹配的域块 .编码过程保存了匹配的仿射变换信息 ,从而达到压缩目的 .本文综述了分形图像压缩算法 。
Fractal image compression is a novel technique for image compression with fractal geometry as its mathematical foundation.This paper presents a brief review to this compression technique.Basic fractal image compression algorithm,adaptive partitioning methods,complexity reduction methods,alternative choice of affine transformation and so on are discussed. Finally,some problems are given for further study.
出处
《深圳大学学报（理工版）》
EI
CAS
2001年第1期84-91,共8页
Journal of Shenzhen University(Science and Engineering)
基金
广东省自然科学基金资助项目! (9740 0 6)
关键词
分形
图像压缩
仿射变换
算法
fractal
image compression
affine transformation
