characteristic descriptor
文章摘要信息 关键词 ： 自动指纹识别;奇异点;特征描述子;指纹匹配 [gap=1017]Keywords : AFIS;singular point of a function;characteristic descriptor;fingerprint matching
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On the other hand, it can describe the characteristic of boundary and some geometry feature of the region, so this new region descriptor value is worthy to further research.
另一方面可以用形态编码来描述边界点的特性，进而来描述整个区域的部分几何特性。
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