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. 26, 2019
Filed:
Mar. 06, 2017
Applicant:
Safran Identity & Security, Issy-les-Moulineaux, FR;
Inventors:
Laurent Kazdaghli, Issy les Moulineaux, FR;
Cedric Thuillier, Issy les Moulineaux, FR;
Lauriane Couturier, Issy les Moulineaux, FR;
Assignee:
IDEMIA IDENTITY & SECURITY, Issy les Moulineaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06T 5/00 (2006.01); G06T 7/11 (2017.01); G06T 7/155 (2017.01); G06K 9/52 (2006.01);
U.S. Cl.
CPC ...
G06K 9/0002 (2013.01); G06K 9/00087 (2013.01); G06K 9/522 (2013.01); G06T 5/007 (2013.01); G06T 7/11 (2017.01); G06T 7/155 (2017.01);
Abstract
The invention relates to a method for processing an image comprising a set of pixels, each pixel being associated with a grey level, the method comprising a step of segmentation of the image to generate a modified image only containing regions of the image having an alternation of bright zones and dark zones at a frequency greater than a minimum frequency, said step of segmentation comprising: