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:
Aug. 12, 2014
Filed:
Dec. 13, 2012
Pfu Limited, Kahoku, JP;
Akira Iwayama, Kahoku, JP;
Masayoshi Hayashi, Kahoku, JP;
PFU Limited, Kahoku-shi, JP;
Abstract
An image processing apparatus including, an input unit for inputting image data including a document region, a storage for storing the brightness of each pixel on a first main scan line outside the document region, a corrector for correcting the brightness of each pixel on the first main scan line in accordance with the brightness of pixels in a first part and the brightness of pixels in a second part on a second main scan line following the first main scan line, and an edge point detector for detecting an edge point of the document region situated on the second main scan line in accordance with the difference between the brightness of each pixel on the first main scan line corrected and the brightness of each pixel on the second main scan line respectively corresponding to each pixel on the first main scan line.