A Study Report on Finger Print Image Enhancement Methods

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Executive Summary

In this paper finger print image enhancement method in spatial domain and frequency domain using filter is discussed. The state-of-art in the literature is reviewed to provide a foundation for the evaluation of the proposed approaches. Fingerprint enhancement can be conducted on either binary ridge images or gray-scale images. Different techniques for gray-level fingerprint images enhancement have been proposed assuming that the local ridge frequency and orientation can be reliably estimated. A good fingerprint enhancement technique obtains a relatively good estimate of orientation field even if the quality of input fingerprint image is poor.

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