JP2011109637A5 - - Google Patents

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Publication number
JP2011109637A5
JP2011109637A5 JP2010143707A JP2010143707A JP2011109637A5 JP 2011109637 A5 JP2011109637 A5 JP 2011109637A5 JP 2010143707 A JP2010143707 A JP 2010143707A JP 2010143707 A JP2010143707 A JP 2010143707A JP 2011109637 A5 JP2011109637 A5 JP 2011109637A5
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JP
Japan
Prior art keywords
image
original image
target image
target
original
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JP2010143707A
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English (en)
Japanese (ja)
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JP2011109637A (ja
JP5559619B2 (ja
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Priority claimed from US12/495,749 external-priority patent/US7965894B2/en
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Publication of JP2011109637A publication Critical patent/JP2011109637A/ja
Publication of JP2011109637A5 publication Critical patent/JP2011109637A5/ja
Application granted granted Critical
Publication of JP5559619B2 publication Critical patent/JP5559619B2/ja
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JP2010143707A 2009-06-30 2010-06-24 画像比較解析を用いた印刷文書における変更の検出方法 Active JP5559619B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/495,749 US7965894B2 (en) 2009-06-30 2009-06-30 Method for detecting alterations in printed document using image comparison analyses
US12/495,749 2009-06-30

Publications (3)

Publication Number Publication Date
JP2011109637A JP2011109637A (ja) 2011-06-02
JP2011109637A5 true JP2011109637A5 (enExample) 2013-05-23
JP5559619B2 JP5559619B2 (ja) 2014-07-23

Family

ID=42932163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010143707A Active JP5559619B2 (ja) 2009-06-30 2010-06-24 画像比較解析を用いた印刷文書における変更の検出方法

Country Status (3)

Country Link
US (1) US7965894B2 (enExample)
EP (1) EP2270746B1 (enExample)
JP (1) JP5559619B2 (enExample)

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US8331670B2 (en) * 2011-03-22 2012-12-11 Konica Minolta Laboratory U.S.A., Inc. Method of detection document alteration by comparing characters using shape features of characters
US9319556B2 (en) 2011-08-31 2016-04-19 Konica Minolta Laboratory U.S.A., Inc. Method and apparatus for authenticating printed documents that contains both dark and halftone text
US8687886B2 (en) * 2011-12-29 2014-04-01 Konica Minolta Laboratory U.S.A., Inc. Method and apparatus for document image indexing and retrieval using multi-level document image structure and local features
US9607038B2 (en) 2013-03-15 2017-03-28 International Business Machines Corporation Determining linkage metadata of content of a target document to source documents
EP2921989B1 (en) 2014-03-17 2024-12-04 Université de Genève Method for object recognition and/or verification on portable devices
US9646191B2 (en) 2015-09-23 2017-05-09 Intermec Technologies Corporation Evaluating images
US10204416B2 (en) * 2016-02-04 2019-02-12 Kla-Tencor Corporation Automatic deskew using design files or inspection images
JP7006163B2 (ja) * 2017-11-16 2022-01-24 コニカミノルタ株式会社 画像処理装置およびプログラム
US10546160B2 (en) 2018-01-05 2020-01-28 Datamax-O'neil Corporation Methods, apparatuses, and systems for providing print quality feedback and controlling print quality of machine-readable indicia
US10795618B2 (en) 2018-01-05 2020-10-06 Datamax-O'neil Corporation Methods, apparatuses, and systems for verifying printed image and improving print quality
US10803264B2 (en) 2018-01-05 2020-10-13 Datamax-O'neil Corporation Method, apparatus, and system for characterizing an optical system
US10834283B2 (en) 2018-01-05 2020-11-10 Datamax-O'neil Corporation Methods, apparatuses, and systems for detecting printing defects and contaminated components of a printer
US10769430B2 (en) 2018-06-12 2020-09-08 Wipro Limited Method and system for correcting fabrication in a document
DE102018125780A1 (de) * 2018-10-17 2020-04-23 Schreiner Group Gmbh & Co. Kg Ähnlichkeitsbestimmung eines von einem Druckexemplar erstellten Digitalbildes mit einer Digitalvorlage
US11334856B2 (en) 2018-11-21 2022-05-17 Capital One Services, Llc Check tampering prevention using blockchain
US11361075B1 (en) 2021-06-18 2022-06-14 Citrix Systems, Inc. Image steganography detection

Family Cites Families (20)

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US5444797A (en) * 1993-04-19 1995-08-22 Xerox Corporation Method and apparatus for automatic character script determination
US6546112B1 (en) * 1993-11-18 2003-04-08 Digimarc Corporation Security document with steganographically-encoded authentication data
US5748763A (en) * 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US7620200B2 (en) * 1995-05-08 2009-11-17 Digimarc Corporation Authentication of identification documents
US6212504B1 (en) * 1998-01-12 2001-04-03 Unisys Corporation Self-authentication of value documents using encoded indices
US6978036B2 (en) * 1998-07-31 2005-12-20 Digimarc Corporation Tamper-resistant authentication techniques for identification documents
US7394573B1 (en) * 1999-04-14 2008-07-01 Xerox Corporation System for authenticating hardcopy documents
US7152047B1 (en) * 2000-05-24 2006-12-19 Esecure.Biz, Inc. System and method for production and authentication of original documents
US6748102B2 (en) * 2001-01-24 2004-06-08 International Business Machines Corporation Document alteration indicating system and method
WO2003098540A1 (en) * 2002-05-14 2003-11-27 Mediasec Technologies, Gmbh Visible authentication patterns for printed document
US7280696B2 (en) * 2002-05-20 2007-10-09 Simmonds Precision Products, Inc. Video detection/verification system
US7006128B2 (en) * 2002-05-30 2006-02-28 Siemens Corporate Research, Inc. Object detection for sudden illumination changes using order consistency
JP2005124063A (ja) * 2003-10-20 2005-05-12 Sharp Corp 画像形成装置
JP4521235B2 (ja) * 2004-08-25 2010-08-11 日立ソフトウエアエンジニアリング株式会社 撮影画像の変化抽出装置及び方法
US8467566B2 (en) * 2005-10-06 2013-06-18 Pitney Bowes Inc. Method for detecting fraud in a printed image
US8107728B2 (en) * 2006-09-19 2012-01-31 Sharp Kabushiki Kaisha Image processing apparatus, image forming apparatus, image processing system, computer program and recording medium
JP4803001B2 (ja) * 2006-11-27 2011-10-26 富士ゼロックス株式会社 画像処理装置及び画像処理プログラム
US20080310736A1 (en) * 2007-06-15 2008-12-18 Microsoft Corporation Smart visual comparison of graphical user interfaces
US7925045B2 (en) * 2007-09-10 2011-04-12 Konica Minolta Systems Laboratory, Inc. Determining document authenticity in a closed-loop process
US7676501B2 (en) * 2008-03-22 2010-03-09 Wilson Kelce S Document integrity verification

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