Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomoaki Matsunami0
Date of Patent
April 27, 2021
0Patent Application Number
162257010
Date Filed
December 19, 2018
0Patent Citations
Patent Primary Examiner
Patent abstract
An information processing apparatus, includes: a memory; and a processor coupled to the memory, wherein the processor: generates a sharpened image of a fingerprint image by emphasizing edges of a fingerprint pattern included in the fingerprint image; calculates an edge density of the sharpened image based on a local change of luminance; and decides based on the edge density whether each of pixels of the sharpened image is in a fingerprint region or a background region.
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