The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2020
Filed:
Dec. 06, 2017
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Satoshi Semba, Kawasaki, JP;
Soichi Hama, Atsugi, JP;
Satoshi Maeda, Atsugi, JP;
Hajime Nada, Kawasaki, JP;
Yukihiro Abiko, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A biometric image processing device includes: a memory; and a processor coupled to the memory and the processor configured to execute a process, the process comprising: capturing a biometric image of an object by a camera; obtaining a histogram of brightness values from the biometric image; correcting the biometric image by expanding a dynamic range of a partial histogram of the histogram of which an appearance frequency is equal to or more than a threshold; and calculating a distance between the camera and the object on a basis of a high frequency component of the biometric image corrected in the correcting.