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. 09, 2014
Filed:
Jul. 16, 2012
Danian Zheng, Beijing, CN;
Jun Sun, Beijing, CN;
Satoshi Naoi, Beijing, CN;
Fujitsu Limited, Kawaski, JP;
Abstract
An image processing device including: a local mean image generating section; a binarization image generating section configured to generate a binarization image, wherein pixels corresponding to high frequency regions and low frequency regions have a first and second grey scales, respectively; a ternarization image generating section configured to divide, based on comparison between the image and the local mean image, first grey scale regions in the binarization image into regions having the first grey scale and regions having a third grey scale; a filling section configured to recognize connected regions having the second grey scale in the ternarization image, to fill the connected regions with the first grey scale or with the third grey scale according to grey scale of pixels at boundaries of the connected regions; and a recognizing section configured to recognize strokes according to consistency of grey scale at object boundaries in the filled ternarization image.