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:
Mar. 29, 2016
Filed:
Mar. 02, 2011
Yoichi Nakamura, Tokyo, JP;
Yoichi Nakamura, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
To improve the accuracy of fingerprint authentication, the foreign object determination device of the present invention includes an image acquisition unitfor acquiring an image in which an authentication target to be subjected to fingerprint authentication has been captured, a region partitioning unitfor partitioning the image acquired by the image acquisition unitinto regions of mutually different colors by using predetermined determination criteria for determining differences in color, and a foreign object determination unitfor determining whether a foreign object is included in the authentication target by using colors and/or areas of the regions partitioned by the region partitioning unit