Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jonathan Baudot0
Daniela Hall0
Etienne DeForas0
Harihar Narasimha-Iyer0
Bruno Flament0
Date of Patent
May 4, 2021
0Patent Application Number
162704800
Date Filed
February 7, 2019
0Patent Citations
...
Patent Primary Examiner
Patent abstract
In a method for evaluating a darkfield image for contamination, it is determined whether an object is interacting with a fingerprint sensor. Provided an object is not interacting with the fingerprint sensor, a darkfield candidate image is captured at a fingerprint sensor. The darkfield candidate image is evaluated for contamination. Based on the evaluating, it is determined whether the darkfield candidate image includes contamination.
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