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:
Dec. 24, 2019
Filed:
Sep. 06, 2018
Applicant:
Pfu Limited, Kahoku-shi, Ishikawa, JP;
Inventor:
Shingo Kanaya, Kahoku, JP;
Assignee:
PFU LIMITED, Kahoku-Shi, Ishikawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/193 (2006.01); G06T 5/00 (2006.01); G06K 9/00 (2006.01); G06T 1/00 (2006.01); H04N 1/00 (2006.01); G06T 7/00 (2017.01); H04N 1/028 (2006.01);
U.S. Cl.
CPC ...
H04N 1/193 (2013.01); H04N 1/00037 (2013.01); G06K 9/00442 (2013.01); G06T 1/00 (2013.01); G06T 5/005 (2013.01); G06T 7/001 (2013.01); H04N 1/00005 (2013.01); H04N 1/00602 (2013.01); H04N 1/02815 (2013.01); H04N 2201/0094 (2013.01);
Abstract
An image processing apparatus includes a transparent member, a white reference member, an imaging device, a conveyance member, a light source, and a processor for detecting a dirt substance from the input image. The light source is provided such that a shadow of a leading end or rear end of the document conveyed on the transparent member is formed on the white reference member at the imaging position. The processor detects a shadow region formed by the leading end or rear end of the conveyed document from the input image and detects a dirt substance from within the detected shadow region.