Fingerprint matching method and apparatus using fingerprint minutiae and fingerprint binary images
First Claim
1. A fingerprint matching method using fingerprint minutiae and fingerprint binary images, comprising:
- constructing a template fingerprint database by extracting minutiae information and a binary image of a first fingerprint image; and
extracting minutiae information and a binary image of a second fingerprint image to be authenticated and performing authentication by aligning the extracted minutiae information and the binary image of the second fingerprint image with data in the template fingerprint database.
1 Assignment
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Accused Products
Abstract
Provided is a fingerprint matching method and apparatus using fingerprint minutiae and fingerprint binary images. The method includes: constructing a template fingerprint database by extracting minutiae information and a binary image of a first fingerprint image; and extracting minutiae information and a binary image of a second fingerprint image to be authenticated and performing authentication by aligning the extracted minutiae information and the binary image of the second fingerprint image with data in the template fingerprint database. Accordingly, the fingerprint matching using the fingerprint binary images is additionally performed, thereby reducing a false acceptance rate (FAR) compared to a conventional minutia-based fingerprint authentication method.
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Citations
10 Claims
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1. A fingerprint matching method using fingerprint minutiae and fingerprint binary images, comprising:
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constructing a template fingerprint database by extracting minutiae information and a binary image of a first fingerprint image; and
extracting minutiae information and a binary image of a second fingerprint image to be authenticated and performing authentication by aligning the extracted minutiae information and the binary image of the second fingerprint image with data in the template fingerprint database. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A fingerprint matching apparatus using fingerprint minutiae and fingerprint binary images, comprising:
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an extractor receiving a first template fingerprint image and a second fingerprint image to be authenticated and extracting minutiae information and binary images to be output from the first and the second fingerprint image;
an align parameter searching unit obtaining a difference between the two minutiae based on the minutiae information on the first and the second fingerprint images;
an alignment unit aligning the two minutiae and the binary images based on the difference; and
a matching unit performing authentication by aligning the two aligned minutiae and the binary images. - View Dependent Claims (8, 9, 10)
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Specification