Minutiae grouping for distorted fingerprint matching
US9846801B2 · kind B2 · utility
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5References
20Claims
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Key dates
| Filing date | Nov 16, 2015 |
| Grant date | Dec 19, 2017 |
| Priority date | — |
| Expiry date | Feb 5, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1371
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In some implementations, a computer-implemented method includes an iterative minutiae matching technique that initially groups mated minutiae within a list of all possible minutiae between a reference fingerprint and a search fingerprint, and then successively performs a geometric consistency check of the mated minutiae within the group. In some instances, the iterative matching technique enables improved identification of globally aligned mated minutiae within distorted regions, which may be used to subsequently improve the calculation of a similarity score between a reference fingerprint and a search fingerprint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.