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:
Mar. 15, 2016
Filed:
Jul. 08, 2013
Pfu Limited, Kahoku-shi, Ishikawa, JP;
PFU Limited, Kahoku-shi, JP;
Abstract
An image processing apparatus including a candidate pixel detector for detecting candidate pixels of boundary lines of sides of a document region, a classifier for classifying coordinates of the candidate pixels into coordinate groups, an approximate line calculator for calculating approximate lines for the boundary line based on each of the coordinate groups, a provisional line determination unit for determining a provisional line of the boundary line based on the approximate lines that is selected based on the number of candidate pixels that are within a distance from the approximate line, a shadow detector for detecting a shadow image of an edge of the document within a predetermined distance from the provisional line, and a boundary line determination unit for determining whether the boundary line is within the predetermined distance from the provisional line based on the shadow image.