指纹图像的预处理又可以分为灰度图滤波去噪、二值化、二值化图像去噪、细化和细化后去噪五个部分。
Fingerprint image pre-processing has five parts: filtration in gray-scale image, binarization, filtration in binary image, thinning and filtration in thinning image.
预处理部分涉及到指纹有效区域的提取、指纹图的增强和指纹细化。
Fingerprint Preprocess includes Fingerprint Foreground Extraction, Image Enhancement and Thinning.
预处理部分涉及到指纹有效区域的提取、指纹图的增强和指纹细化。
Fingerprint Preprocess includes Fingerprint Foreground Extraction, Image Enhancement and Thinning.
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