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:
Feb. 08, 2022
Filed:
Nov. 01, 2019
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Huijin Lee, Pohang-si, KR;
Jingu Heo, Yongin-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06K 9/48 (2006.01); G06K 9/62 (2006.01);
U.S. Cl.
CPC ...
G06K 9/001 (2013.01); G06K 9/482 (2013.01); G06K 9/6202 (2013.01);
Abstract
Provided in a fingerprint image preprocessing method including receiving an input fingerprint image, performing a short-time Fourier transform (STFT) on the input fingerprint image to obtain a transformed fingerprint image, comparing the input fingerprint image and the transformed fingerprint image, and generating a combined image by combining the input fingerprint image and the transformed fingerprint image based on a result of the comparing.