International Conference on Mechanical and Electrical Technology, 3rd, (ICMET-China 2011), Volumes 1–3
67 A Symmetric Bio-Hash Function Based on Fingerprint Minutiae and Principal Curves Approach
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In this paper, a fingerprint-based biometric is used and protected by a computationally efficient symmetric bio hash function and generate a digest. The extracted minutiae points from a fingerprint are represented by a fixed length code vector, called bio- minutiae fingerprint code and does not assume a pre-alignment between the test and the stored fingerprint templates. The principal curves algorithm were used to extract the minutiae points from the fingerprint, then using the systematic bio hash function to compute the digital digest. The fingerprint transformation, rotation and the error rate in case of changing the position of the fingerprint has been computed and evaluated.