指纹图像的预处理及特征提取，又详细地算法描述，适合于初学者，可以作为本科毕业设计的参考-Fingerprint image preprocessing and feature extraction algorithm described in detail also suitable for beginners can be used as a reference design graduate

指纹识别图像预处理算法及指纹特征提取系统研究-Fingerprint image preprocessing algorithm and fingerprint feature extraction system research