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Proceedings Paper

Optical pattern recognition of fingerprints using distortion-invariant phase-only filter
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Paper Abstract

In crime detection and security verification, fingerprint identification is extremely important. However, in the real- world fingerprint images are not distortion free. In the present work, a distortion-invariant identification method for fingerprint images is developed. The sources of distortion of fingerprint data that are considered are rotation, scaling and erosion. It is shown that rotated fingerprint images with 95% of missing data can still be recognized.

Paper Details

Date Published: 1 October 1999
PDF: 9 pages
Proc. SPIE 3805, Photonic Devices and Algorithms for Computing, (1 October 1999); doi: 10.1117/12.363992
Show Author Affiliations
Arshad M. Chowdhury, Wright State Univ. (United States)
Abdul Ahad Sami Awwal, Wright State Univ. (United States)


Published in SPIE Proceedings Vol. 3805:
Photonic Devices and Algorithms for Computing
Khan M. Iftekharuddin; Abdul Ahad Sami Awwal, Editor(s)

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