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.:

US 11140295 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 05, 2021

Filed:

Sep. 02, 2020
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Daisuke Morikawa, Kashiwa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/36 (2006.01); H04N 1/387 (2006.01); H04N 1/00 (2006.01);
U.S. Cl.
CPC ...
H04N 1/3878 (2013.01); H04N 1/00718 (2013.01); H04N 1/00748 (2013.01); H04N 1/00785 (2013.01);
Abstract

An image reading apparatus includes a reading unit configured to read an image of a document and generate image data, a filtering unit configured to perform filtering processing on the image data generated by the reading unit and generate image data, a binarization unit configured to perform binarization processing based on the image data generated by the filtering unit using a first threshold value to generate first binary image data, and perform binarization processing based on the image data generated by the filtering unit using a second threshold value to generate second binary image data, and a detection unit configured to detect an edge in the image data generated by the reading unit based on the first binary image data and the second binary image data generated by the binarization unit.


Find Patent Forward Citations

Morikawa, Daisuke. (2021). Image reading apparatus and method configured to correct tilt image data (U.S. Patent No. 11140295). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11140295

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…