Abstract
Fingerprint identification is one of the most important biometric technologies, which has drawn a substantial amount of attention recently. Fingerprint enhancement algorithm is an important component of fingerprint identification. Normalization is the first step of enhancement algorithm. In this paper, the VLSI design of normalization algorithm is proposed. This paper performs these following tasks. Firstly, the flow of enhancement algorithm and the basic principle of normalization algorithm is introduced. Then, a scheme of VLSI design of normalization algorithm is proposed and described in detail. Finally, we implement this design with Verilog language and present the simulation result with Modesim9.0. The simulation result shows that the scheme proposed in this paper has improved the fingerprint image quality to a certain extent.
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