指纹图像二值化是指纹细化处理的前提，是指纹识别预处理的一个重要部分。

Fingerprint image binarization, as one key step of fingerprint image preprocessing, is the precondition of fingerprint image thinning.

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指纹图像细化是自动指纹识别的关键技术之一，图像细化效果对自动指纹识别系统的性能有着重要的影响。

Fingerprint thinning is a key part in the automatic fingerprint identification technology. The fingerprint thinning result has an important influence of the AFIS.

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指纹图像细化算法的研究。

The research in the fingerprint thinning.

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