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一种改进的基于形态骨架的二值图象编码

DOI: 10.11834/jig.200108169

Keywords: 二值图象压缩,形态变换,终极腐蚀,非骨架点,图象形态学,图象编码,形态骨架

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Abstract:

基于图象形态学的二值图象编码方法,近来在国际上得到了比较多的研究。为了提高基于骨架的编码方法效率,提出了一种基于形态骨架的子集--终极腐蚀(ultimateerosion)二值图象编码方法。该方法是基于扩展的非骨架点判定定理,使得有更多的点在编码过程中被判为非骨架点,从而提高了编码效率。与其他同类方法相比,这一方法更充分地去除了图象形态分析中的信息冗余,从而得到了很好的压缩效果,其对二值图象“工具”的压缩率达到0.065,大大优于游程码、四分树、链码等方法。

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