基于纹理结构的指纹匹配算法

为克服传统细节点匹配模型的不足,对指纹的纹理结构进行了分析,利用指纹纹线的不同结构作为指纹图像的特征。提出了一套基于指纹纹线轮廓的特征提取和匹配算法,并且采用了分步匹配,减少了拒判时间,该算法具有平移、旋转不变性。由于利用了指纹的结构信息,对低质量指纹图像有一定的适应度。实验结果表明,该算法具有相当高的识别率和较强的鲁棒性。

Algorithm of fingerprint matching based on texture structure

Texture structure of fingerprint is analyzed to overcome the drawback of traditional minutiae matching model and the feature of fingerprint image is described by using the different ridge structure. An algorithm of feature extraction and matching based on fingerprint ridge contour is proposed,and this method which using step-by-step match reduces the time refused to sentence and has the transition and invariance. The algorithm has a certain degree on the fingerprint image result from the structure informati...