A Novel Fingerprint Template Protection Scheme Based on Distance Projection Coding

The biometric template, which is stored in the form of raw data, has become the greatest potential threat to the security of biometric authentication system. As the compromise of the biometric data is permanent, the protection of biometric data is particularly important. Consequently, biometric template protection technologies have aroused research highlights recently. One of the most popular template protection methods is biometric cryptosystem method. In this paper, we design a codebook named distance projection for biometric coding to generate secured biometric template, and propose a novel fingerprint biometric cryptosystem scheme based on the codebook. Experimental results on FVC2002 DB2 show that the proposed scheme can obtain positive results on both security and authentication accuracy.