文件名称:zhiwentuxiangyuchuliyutezhengtiqu
- 所属分类：
- 图形图像处理(光照,映射..)
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- [PDF]
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- 2012-11-26
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- 347kb
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- 陆*
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指纹图像预处理与特征提取是指纹识别的前提。提出一套基于方向滤波与模糊数学方法的指纹图像
预处理算法, 并给出了指纹特征提取及其后处理算法。指纹图像预处理首先求出指纹的方向场, 然后根据方向
场进行滤波, 最后用模糊数学方法得到二值化图像。指纹特征提取则先从细化指纹图中得到特征点, 并依据伪
特征点的脊线与角度特征剔除伪特征点。-Fingerprint image preprocessing and feature extraction fingerprint identification is a prerequisite. Proposed a filter based on direction and the method of fuzzy fingerprint image preprocessing algorithm, and gives the fingerprint feature extraction and post-processing algorithms. First find the fingerprint image preprocessing fingerprint orientation field, and then filtered orientation field, and finally fuzzy binary images obtained. Fingerprint feature extraction is to start to get detailed fingerprint feature points and feature points based on pseudo-angle characteristics of the ridge line and remove the false feature points.
预处理算法, 并给出了指纹特征提取及其后处理算法。指纹图像预处理首先求出指纹的方向场, 然后根据方向
场进行滤波, 最后用模糊数学方法得到二值化图像。指纹特征提取则先从细化指纹图中得到特征点, 并依据伪
特征点的脊线与角度特征剔除伪特征点。-Fingerprint image preprocessing and feature extraction fingerprint identification is a prerequisite. Proposed a filter based on direction and the method of fuzzy fingerprint image preprocessing algorithm, and gives the fingerprint feature extraction and post-processing algorithms. First find the fingerprint image preprocessing fingerprint orientation field, and then filtered orientation field, and finally fuzzy binary images obtained. Fingerprint feature extraction is to start to get detailed fingerprint feature points and feature points based on pseudo-angle characteristics of the ridge line and remove the false feature points.
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指纹图像预处理与特征提取.pdf