Abstract

In contemporary society, access to information is easy because of advanced communication media, so security system which prevent unauthorized access is considered important. Fingerprint verification systems are very convenient and secure. Minutiae-based fingerprint verification is widely used in fingerprint verification. However, existing systems can cause errors according to size and quality of fingerprint images that are read only with a use of minutiae. Due to such errors, the users who have no authority of access are allowed to use the information, which is a problem. This paper proposes hybrid fingerprint verification methods of two kinds to improve performance of minutiae-based fingerprint verification. One is method using fingerprint binary image, and another is method using ridge-information. The result which experiments two kind methods, we confirm to improved performance of fingerprint verification than when only minutiae-based verification was used.

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