Title:
IMPROVED FINGERPRINT MATCHING IN IN-DISPLAY SOLUTIONS
Document Type and Number:
WIPO Patent Application WO/2019/135700
Kind Code:
A8
Abstract:
Disclosed is a method for enrolling a fingerprint associated with a user and detected on a display in order to enroll the user.The display comprises ultrasonic sensors configured to detect fingerprints on the surface of the display. One or more positions on the display are defined, each position associated with a respective set of coordinates.The respective set of coordinates defines where on the display the one or more positions are located. The method comprises prompting the user to touch a first position on the display associated with a first set of coordinates one or more times, detecting at least one touch occasion in the first position of the display,resulting in a respective fingerprint,extracting a number of feature points from each respective fingerprint,forming one or more sub-templates comprising the extracted feature points, associating the sub-templates with the first position and storing the sub-templates.The number of feature points associated with the one or more stored sub-templates is associated with the enrolled user. Also disclosed is a method for verifying an enrolled fingerprint and an arrangement.
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Inventors:
ANDERSEN KLAUS S (DK)
JUNCKER CARSTEN (DK)
JUNCKER CARSTEN (DK)
Application Number:
PCT/SE2018/051367
Publication Date:
January 16, 2020
Filing Date:
December 27, 2018
Export Citation:
Assignee:
FINGERPRINT CARDS AB (SE)
International Classes:
G06F3/043; G06V10/75; G06V40/12; G06F21/32
Attorney, Agent or Firm:
KRANSELL & WENNBORG KB (SE)
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