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:
Jan. 15, 2013
Filed:
Jul. 27, 2010
Applicant:
Naotsugu Sagawa, Tokyo, JP;
Inventor:
Naotsugu Sagawa, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
For each pixel of interest in a local region of an input image, an edge intensity in each of a plurality of predetermined directions is calculated. All directions in which the edge intensities are larger than an average value of the edge intensities are selected. For all pixels of interest in the local region, the edge intensities calculated for each of the selected directions are accumulated and output as an edge feature amount.