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Patent Searching and Data


Title:
IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, PROGRAM, AND INFORMATION STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2014/030406
Kind Code:
A1
Abstract:
Provided is an image processing device whereby, even if a gradation difference in a region included in an image other than a text character region is large, it is possible to detect a text character region which is included in the image. A characteristic point detection unit (40) detects a corner of an edge within an object image as a characteristic point. A region acquisition unit (42) acquires, on the basis of a result of a detection by the characteristic point detection unit (40), a region including a plurality of characteristic points which are aligned in an approximately straight line. A text character region detection unit (44) detects, on the basis of the region which is acquired by the region acquisition unit (42), a text character within the object image.

Inventors:
HIRANO HIROMI (JP)
OKABE MAKOTO (JP)
Application Number:
PCT/JP2013/065115
Publication Date:
February 27, 2014
Filing Date:
May 30, 2013
Export Citation:
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Assignee:
RAKUTEN INC (JP)
International Classes:
G06T7/40; G06V10/44; H04N1/40; G06V30/10
Foreign References:
JP2009043265A2009-02-26
JPH08212292A1996-08-20
JP2000235618A2000-08-29
Attorney, Agent or Firm:
HARUKA PATENT & TRADEMARK ATTORNEYS (JP)
Patent business corporation far international patent firm (JP)
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