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公开(公告)号：US11216546B2
公开(公告)日：2022-01-04
申请号：US16605073
申请日：2018-04-18
Applicant: FINGERPRINT CARDS AB
Inventor： Markus Andersson , Fredrik Norrman , Erik Montnémery
Abstract: The present invention generally relates to a method for authenticating a user of an electronic device comprising a fingerprint sensor. The method comprises acquiring a sequence of verification images. Estimating, based on the images a first and a second verification force value indicative of a force applied by the object on the fingerprint sensor when the verification images were acquired. A verification image representation and a verification force value forms a verification template for each of the first and second images and forces. Matching the first and second verification template with at least one of a plurality of stored fingerprint enrolment templates in a respective first and second matching step. When the first and second matching steps each results in a positive match between the respective verification template and a respective one of the plurality of stored fingerprint enrolment templates, providing a signal indicating successful authentication of the user.
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