JP4852059B2 - 文書画像の２値化性能を改善するノイズ除去装置及びノイズ除去プログラム - Google Patents

文書画像の２値化性能を改善するノイズ除去装置及びノイズ除去プログラム Download PDF

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JP4852059B2
JP4852059B2 JP2008044927A JP2008044927A JP4852059B2 JP 4852059 B2 JP4852059 B2 JP 4852059B2 JP 2008044927 A JP2008044927 A JP 2008044927A JP 2008044927 A JP2008044927 A JP 2008044927A JP 4852059 B2 JP4852059 B2 JP 4852059B2
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JP2008210387A (ja
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俊 孫
悦伸 堀田
克仁 藤本
聡 直井
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Fujitsu Ltd
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JP2008044927A 2007-02-26 2008-02-26 文書画像の２値化性能を改善するノイズ除去装置及びノイズ除去プログラム Expired - Fee Related JP4852059B2 (ja)

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CN2007100787572A CN101256630B (zh) 2007-02-26 2007-02-26 用于改善文档图像二值化性能的去噪声装置和方法
CN200710078757.2 2007-02-26

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JP4852059B2 true JP4852059B2 (ja) 2012-01-11

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JP5423697B2 (ja) * 2011-02-09 2014-02-19 株式会社ニコン 画像処理装置、撮像装置、画像処理プログラム、及び画像処理方法
CN103377472B (zh) * 2012-04-13 2016-12-14 富士通株式会社 用于去除附着噪声的方法和系统
CN105718926A (zh) * 2014-12-03 2016-06-29 夏普株式会社 一种文本检测的方法和装置
CN106469436B (zh) * 2015-08-17 2019-11-08 比亚迪股份有限公司 图像去噪系统及图像去噪方法
CN105976341B (zh) * 2016-06-17 2018-10-09 天津工业大学 图像自适应中值滤波方法
CN106295630B (zh) * 2016-07-21 2019-10-15 北京小米移动软件有限公司 字符识别方法及装置
CN109033982A (zh) * 2018-06-28 2018-12-18 佛山市顺德区中山大学研究院 一种快速的指纹连续分布方向图平滑方法及装置
CN116958986B (zh) * 2023-05-11 2024-05-14 东莞市铁石文档科技有限公司 一种用于档案管理的数据化转换系统

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JPH04268869A (ja) * 1991-02-22 1992-09-24 Ricoh Co Ltd 画像処理装置
JPH10187886A (ja) * 1996-12-26 1998-07-21 Toshiba Corp 文字認識装置および文字認識方法
JP2000152000A (ja) * 1998-11-09 2000-05-30 Canon Inc 画像読取装置、読取画像判定方法及び記憶媒体
US6757449B1 (en) * 1999-11-17 2004-06-29 Xerox Corporation Methods and systems for processing anti-aliased images
JP4391704B2 (ja) * 2001-01-11 2009-12-24 富士通株式会社 多値画像から二値画像を生成する画像処理装置および方法
CN1333574C (zh) * 2004-09-29 2007-08-22 致伸科技股份有限公司 一种数字图像中提取文本区域的方法

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CN101256630B (zh) 2010-06-30
CN101256630A (zh) 2008-09-03

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