Method and apparatus to reduce false minutiae in a binary fingerprint image
First Claim
Patent Images
1. A method of reducing false minutiae in a binary image comprising:
- determining an estimate of the average inter-ridge line distance;
identifying and removing at least some isolated spurs and ridge-connected spurs based, at least in part, on the estimate of the average inter-ridge line distance.
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Abstract
Embodiments of a technique for reducing false minutiae are disclosed.
108 Citations
20 Claims
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1. A method of reducing false minutiae in a binary image comprising:
- determining an estimate of the average inter-ridge line distance;
identifying and removing at least some isolated spurs and ridge-connected spurs based, at least in part, on the estimate of the average inter-ridge line distance. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- determining an estimate of the average inter-ridge line distance;
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8. An apparatus comprising:
- an integrated circuit;
said integrated circuit being adapted to, for a binary image, determine an estimate of the average inter-ridge line distance, and to identify and remove at least some isolated spurs and ridge-connected spurs based, at least in part, on the estimate of the average inter-ridge line distance. - View Dependent Claims (9, 10, 11, 12, 13)
- an integrated circuit;
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14. An article comprising:
- a storage medium, said storage medium having stored thereon instructions, that, when executed results in performing a method of reducing false minutiae in a binary image comprising;
determining an estimate of the average inter-ridge line distance;
identifying and removing at least some isolated spurs and ridge-connected spurs based, at least in part, on the estimate of the average inter-ridge line distance. - View Dependent Claims (15, 16, 17, 18, 19, 20)
- a storage medium, said storage medium having stored thereon instructions, that, when executed results in performing a method of reducing false minutiae in a binary image comprising;
Specification