中文说明：随着身份欺诈在我们社会中达到前所未有的比例，以及对新兴的个人自动识别应用的日益重视，基于生物特征的身份验证，特别是基于指纹的身份识别，正受到人们的广泛关注。传统的指纹表示方法有两大缺点。对于相当一部分人来说，基于指纹完整脊线结构的显式检测的指纹表示难以自动提取。广泛使用的基于细节的表示没有利用丰富的歧视性信息的重要组成部分
English Description：
With identity fraud in our society reaching unprecedented proportions and with an increasing emphasis on the emerging automatic personal identification applications, biometrics-based verification, especially fingerprint-based identification, is receiving a lot of attention. There are two major shortcomings of the traditional approaches to fingerprint representation. For a considerable fraction of population, the representations based on explicit detection of complete ridge structures in the fingerprint are difficult to extract automatically. The widely used minutiae-based representation does not utilize a significant component of the rich discriminatory information available