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.

Date of Patent:
Nov. 14, 2023

Filed:

Oct. 24, 2022
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Akitoshi Yamada, Kanagawa, JP;

Hiroyasu Kunieda, Kanagawa, JP;

Yoichi Kashibuchi, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/00 (2006.01); H04N 1/60 (2006.01); H04N 1/028 (2006.01); H04N 1/32 (2006.01);
U.S. Cl.
CPC ...
H04N 1/00798 (2013.01); H04N 1/00801 (2013.01); H04N 1/02815 (2013.01); H04N 1/32208 (2013.01); H04N 1/32229 (2013.01); H04N 1/32309 (2013.01); H04N 1/6086 (2013.01); H04N 2201/3226 (2013.01);
Abstract

Provided is an image processing apparatus for extracting embedded information from a printed document printed by an electrophotographic method, including: a first obtaining unit configured to obtain first image data by reading the printed document while applying light to the printed document; a second obtaining unit configured to obtain second image data by reading the printed document without applying light to the printed document; a determination unit configured to determine whether a high color density region of which density is higher than a predetermined value is present in the printed document; and a decision unit configured to decide which of the first image data and the second image data to set as image data to be used to extract the embedded information, according to the determination made by the determination unit.


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