Orientation field estimation is an essential preprocessing step and it is crucial for the efficiency of the fingerprint recognition algorithm.
指纹方向场的估计是指纹识别预处理算法中的重要环节,对算法识别效率起到关键作用。
Image thinning is one of important preprocessing procedures for fingerprint images. Most of fingerprint recognition algorithm checks the special points by image thinning.
图像细化是指纹预处理技术中的一个重要环节,大多数指纹识别算法都是在细化图像上实现特征点的检测。
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