现有的指纹匹配方法很多采用特征点邻域的某方面特征作为特征点的特征描述子。
Many of the existing fingerprint matching method using certain aspects of neighborhood characteristics as character descriptions.
针对现有匹配算法存在的问题，本文提出了基于特征三角形的指纹匹配方法，并就三角形的构成进行了详细的介绍。
To the problems that have been for long about matching methods, this paper presents a new one based on congruent triangle and makes a detailed presentation about the composing of congruent triangle.
传统的仅基于指纹几何特征的匹配方法，在匹配速度方面有一定的欠缺。
Traditional matching methods, only based on the geometric feature of fingerprints, are lacking in matching speed.
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