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:
Dec. 25, 2018
Filed:
Mar. 13, 2017
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Toshiki Nakatani, Kawasaki, JP;
Masaharu Yamagishi, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/62 (2006.01); G06T 7/13 (2017.01); G06K 9/46 (2006.01); G06K 9/52 (2006.01);
U.S. Cl.
CPC ...
G06K 9/6215 (2013.01); G06K 9/4609 (2013.01); G06K 9/52 (2013.01); G06K 9/6202 (2013.01); G06T 7/13 (2017.01);
Abstract
An edge detecting apparatus according to the present invention includes: a first determining unit configured to determine, based on an input image, at least one of a distance between local maximum pixels which are pixels of which gradation values are local maximum values and a distance between local minimum pixels which are pixels of which gradation values are local minimum values; and a detecting unit configured to detect an edge from the input image with a detection sensitivity based on the distance determined by the first determining unit.