唐国维;王苫社;张岩;

• 1:东北石油大学计算机与信息技术学院

• 2:哈尔滨工业大学计算机科学与技术学院

摘要(Abstract)：

小波函数具有多样性,采用不同的小波基对图像进行压缩后,重构图像的质量有一定差别.为了选取合适的小波基对图像进行小波变换编码,提出一种基于分形维数的小波基选取的图像压缩方法.通过差分计盒法计算相关图像的分形维数,将图像按照分形维数数值的不同划分为不同类别.选取每类中的代表图像,采用多种小波基,分别用SPECK算法对其压缩处理.根据重构图像峰值信噪比的数值,得出每类图像适合的小波基.实例分析表明,该方法可以在一定程度上提高小波图像编码的峰值信噪比.

关键词(KeyWords)：图像压缩;小波基选取;小波变换;分形维数;编码

Abstract:

Keywords:

基金项目(Foundation):黑龙江省教育厅科学技术研究项目(12521050);; 中国石油科技创新基金研究项目(2012D-5006-0609)

作者(Author):唐国维;王苫社;张岩;

Email:

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