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Title:
画像作成装置、画像作成プログラムおよび記録媒体
Document Type and Number:
Japanese Patent JP4259949
Kind Code:
B2
Abstract:
A method, apparatus, system, and program for image processing are provided to perform operations of recognizing, reproducing, and enhancing an image, particularly one having character, symbol, or line-segment portions. An image obtainer obtains a multivalue image of color or grayscale. A brightness image generator generates a brightness image of the multivalue image, representing brightness values of respective pixels of the multivalue image. A topographic feature image generator generates a topographic feature image of the multivalue image, having a topographic feature corresponding to the brightness values. A topographic feature adder generates a binary image of the multivalue image, by using information contained in the topographic feature.

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Inventors:
Hirofumi Nishida
Application Number:
JP2003290614A
Publication Date:
April 30, 2009
Filing Date:
August 08, 2003
Export Citation:
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Assignee:
株式会社リコー
International Classes:
G06T5/00; G06V30/168; H04N1/403; G06V30/10
Domestic Patent References:
JP2001197305A
Other References:
鈴木智久 外1名,補間と凸判定に基づくストローク抽出を用いた低解像度文書画像の二値化,電子情報通信学会技術研究報告,社団法人電子情報通信学会,2000年 2月22日,第99巻 第649号,第1~8頁
Attorney, Agent or Firm:
Kei Osawa
Yutaka Osawa
Makoto Monda



 
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