JP2014500688A5 - - Google Patents

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Publication number
JP2014500688A5
JP2014500688A5 JP2013545033A JP2013545033A JP2014500688A5 JP 2014500688 A5 JP2014500688 A5 JP 2014500688A5 JP 2013545033 A JP2013545033 A JP 2013545033A JP 2013545033 A JP2013545033 A JP 2013545033A JP 2014500688 A5 JP2014500688 A5 JP 2014500688A5
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JP
Japan
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image block
character image
western
text
watermark
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JP2013545033A
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English (en)
Japanese (ja)
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JP5669957B2 (ja
JP2014500688A (ja
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Priority claimed from CN201010620424.XA external-priority patent/CN102567938B/zh
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Publication of JP2014500688A5 publication Critical patent/JP2014500688A5/ja
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Publication of JP5669957B2 publication Critical patent/JP5669957B2/ja
Expired - Fee Related legal-status Critical Current
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JP2013545033A 2010-12-23 2011-12-23 西洋語の透かし処理をするための透かし画像の分割方法と装置 Expired - Fee Related JP5669957B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201010620424.XA CN102567938B (zh) 2010-12-23 2010-12-23 用于西文水印处理的水印图像分块方法和装置
CN201010620424.X 2010-12-23
PCT/CN2011/084577 WO2012083882A1 (zh) 2010-12-23 2011-12-23 用于西文水印处理的水印图像分块方法和装置

Publications (3)

Publication Number Publication Date
JP2014500688A JP2014500688A (ja) 2014-01-09
JP2014500688A5 true JP2014500688A5 (enExample) 2014-10-16
JP5669957B2 JP5669957B2 (ja) 2015-02-18

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JP2013545033A Expired - Fee Related JP5669957B2 (ja) 2010-12-23 2011-12-23 西洋語の透かし処理をするための透かし画像の分割方法と装置

Country Status (5)

Country Link
US (1) US9111341B2 (enExample)
EP (1) EP2657902B1 (enExample)
JP (1) JP5669957B2 (enExample)
CN (1) CN102567938B (enExample)
WO (1) WO2012083882A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102938841B (zh) * 2012-11-30 2015-02-11 西安空间无线电技术研究所 在承载图像中隐藏信息、图像质量评价及信息传输方法
CN105224833B (zh) * 2014-06-30 2018-03-30 北京金山安全软件有限公司 利用数字水印识别应用程序是否是正版的方法及系统
CN105631486A (zh) * 2014-10-27 2016-06-01 深圳Tcl数字技术有限公司 图像文字识别方法及装置
TWI643159B (zh) * 2017-11-16 2018-12-01 國立臺北科技大學 基於奇偶特性隱寫資料於區塊截斷編碼影像的方法、影像壓縮裝置及電腦可讀取的記錄媒體
GB2572386B (en) * 2018-03-28 2021-05-19 Canon Europa Nv An image processing system and an image processing method
CN108830772A (zh) * 2018-05-25 2018-11-16 珠海奔图电子有限公司 水印编码转换方法及装置
US10939013B2 (en) 2018-09-07 2021-03-02 International Business Machines Corporation Encoding information within features associated with a document
WO2021056183A1 (en) * 2019-09-24 2021-04-01 Citrix Systems, Inc. Watermarks for text content
CN113450243A (zh) * 2020-03-24 2021-09-28 北京四维图新科技股份有限公司 水印添加方法和设备
CN114596188A (zh) * 2022-02-22 2022-06-07 北京百度网讯科技有限公司 水印检测方法、模型训练方法、装置及电子设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5848191A (en) * 1995-12-14 1998-12-08 Xerox Corporation Automatic method of generating thematic summaries from a document image without performing character recognition
JP3373811B2 (ja) * 1999-08-06 2003-02-04 インターナショナル・ビジネス・マシーンズ・コーポレーション 白黒２値文書画像への透かし情報埋め込み・検出方法及びその装置
JP2003230001A (ja) * 2002-02-01 2003-08-15 Canon Inc 文書用電子透かし埋め込み装置及び文書用電子透かし抽出装置並びにそれらの制御方法
US8127137B2 (en) * 2004-03-18 2012-02-28 Digimarc Corporation Watermark payload encryption for media including multiple watermarks
JP4298588B2 (ja) * 2004-05-31 2009-07-22 株式会社リコー 情報検出装置および情報検出方法
US7644281B2 (en) * 2004-09-27 2010-01-05 Universite De Geneve Character and vector graphics watermark for structured electronic documents security
CN100367274C (zh) * 2005-06-24 2008-02-06 清华大学 一种在英文文本中嵌入和提取水印的方法
CN1897522B (zh) * 2005-07-15 2010-05-05 国际商业机器公司 水印嵌入和/或检测的方法、装置及系统
JP2008098946A (ja) * 2006-10-11 2008-04-24 Canon Inc 画像処理装置及びその制御方法
CN101169779A (zh) * 2007-11-30 2008-04-30 清华大学 在英文文本中嵌入和提取频域水印的方法
JP2009141525A (ja) * 2007-12-04 2009-06-25 Canon Inc 画像処理装置及び画像処理方法
CN101251892B (zh) * 2008-03-07 2010-06-09 北大方正集团有限公司 一种字符切分方法和装置
JP2010124451A (ja) * 2008-10-24 2010-06-03 Canon Inc 文書処理装置および文書処理方法

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