Apparatus and method for fingerprint recognition system
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United States of America Patent
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Jul 13, 2004
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N/A
app pub date -
Oct 6, 2000
filing date -
Oct 6, 2000
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Abstract
A fingerprint recognition method includes iterative gamma correction that compensates moisture effect, feature extraction operations, directional morphological filtering that effectively links broken ridges and breaks smeared ridges, adaptive image alignment by local minutia matching, global matching by relaxed rigid transform, and statistical matching with Gaussian weighting functions.
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