Patent · US Active

Cancelling out impairment data in fingerprint images

US11288487B2 · kind B2 · utility

0Cited by

3References

19Claims

0Family size

Assignee

FINGERPRINT CARDS ANACATUM IP AB · SE

Inventors

Karl Lundahl · Handen, SE
Erik Svensson · Gothenburg, SE
Morten Hansen · Copenhagen, DK

Key dates

Filing date	Feb 7, 2018
Grant date	Mar 29, 2022
Priority date	—
Expiry date	Feb 7, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG06V40/1347
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

The invention relates to a method of a fingerprint sensing system of enabling cancelling out impairment data present in an image captured by a fingerprint sensor of the fingerprint sensing system, a method of a fingerprint sensing system of cancelling out impairment data present in an image captured by a fingerprint sensor of the fingerprint sensing system, and a fingerprint sensing system performing the methods.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.