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. 19, 2021
Filed:
Aug. 30, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Ritsuko Otake, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An aspect of the present disclosure includes acquiring an image representing a shadow component in an image capturing environment, the shadow component being reflected in a multi-valued image obtained by capturing an image of a subject; specifying an area having a luminance greater than a predetermined luminance value, the area being included in the image representing the shadow component acquired in the acquiring; correcting the image in such a manner that a luminance of an outer peripheral area of the specified area deceases; and generating a binary image by performing binarization processing on a pixel value of a pixel of interest in the multi-valued image based on a pixel value at the same coordinates as those of the pixel of interest in the corrected image.