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:
Oct. 08, 2013
Filed:
Aug. 31, 2009
Jiyun Du, Ishikawa, JP;
Satoshi Miyamoto, Ishikawa, JP;
Nobuhisa Yamazaki, Ishikawa, JP;
PFU Limited, Ishikawa, JP;
Abstract
An image processing apparatus including an image photographing unit, and a control unit, wherein the control unit includes a document image acquiring unit that acquires a document image including at least an image of a document, a contour extracting unit that extracts a contour of the document from the document image, the extracting the contour being performed based on luminance, a distortion position detecting unit that detects a contour straight line located at a location where a distance between the contour and a center point of a rectangle having the minimum area surrounding the contour is shortest, the contour straight line being detected as a distortion position in the document, the contour straight line being located on the contour, and a corrected image generating unit that performs a geometric correction on the document image to extend the contour to a correction reference line determined from the distortion position, and generates a corrected image having the distortion in the document image corrected.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile