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:
Sep. 08, 2020
Filed:
Sep. 06, 2018
Applicant:
Pfu Limited, Kahoku-shi, Ishikawa, JP;
Inventors:
Assignee:
PFU LIMITED, Kahoku-Shi, Ishikawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/00 (2006.01); G06K 9/34 (2006.01); H04N 5/367 (2011.01); H04N 5/217 (2011.01);
U.S. Cl.
CPC ...
H04N 1/00029 (2013.01); G06K 9/346 (2013.01); H04N 5/2171 (2013.01); H04N 5/3675 (2013.01); G06T 2207/10008 (2013.01);
Abstract
An image processing apparatus includes a processor for acquiring an input image of a document and a periphery of the document, extracting first edge pixels from the input image, detecting a document region based on the first edge pixels, detecting a shadow region from within a predetermined range outside of the document region, extracting noise pixels in the shadow region, detecting the noise pixels, a number of which connected with one another is equal to or more than a predetermined number, as a noise line, and correcting the document region of the input image based on a detection result of the noise line.