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:
Jul. 14, 2026
Filed:
Jul. 03, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Shunsuke Iwano, Kanagawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
From one of an inspection image of a printed material and a reference image, a predetermined area including an edge is extracted and a pixel value of a pixel is corrected, which configures the predetermined area in the inspection image or the reference image, from which the predetermined area has been extracted, and a blot on the printed material is detected by using collation results of the corrected inspection image and the reference image and a threshold value, or by using collation results of the inspection image and the corrected reference image and the threshold value.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile