在匹配阶段，多参考中心的使用和相似元分析的结合能在一定程度上克服指纹非线性形变的影响，降低了匹配算法的拒识率。
At the matching stage, using several reference points and in combination with similar element analysis alleviate the effect of nonlinearly deformation and decrease the false reject rate.
通过对相关实验数据的分析，本文进一步提出了一种由粗到精的匹配策略，使得识别率又有了一定程度的提高。
Via experimental data, this paper makes further efforts to propose a new course-to-fine matching strategy, which makes a little improvement.
理论分析表明该方法不仅表达了不同照明光源下的视觉匹配程度，而且能更好地反映光谱匹配的目视差异。
The results show that the method indicates not only the degree of visual matching but also the visual differences of spectral matching.
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