CA2086472A1 - Methode et appareil de traitement d'images - Google Patents

Methode et appareil de traitement d'images

Info

Publication number
CA2086472A1
CA2086472A1 CA2086472A CA2086472A CA2086472A1 CA 2086472 A1 CA2086472 A1 CA 2086472A1 CA 2086472 A CA2086472 A CA 2086472A CA 2086472 A CA2086472 A CA 2086472A CA 2086472 A1 CA2086472 A1 CA 2086472A1
Authority
CA
Canada
Prior art keywords
image signals
information
additional information
image
density
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2086472A
Other languages
English (en)
Other versions
CA2086472C (fr
Inventor
Koji Kajita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CA2086472A1 publication Critical patent/CA2086472A1/fr
Application granted granted Critical
Publication of CA2086472C publication Critical patent/CA2086472C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/00856—Preventive measures
    • H04N1/00864—Modifying the reproduction, e.g. outputting a modified copy of a scanned original
    • H04N1/00867—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/00856—Preventive measures
    • H04N1/00864—Modifying the reproduction, e.g. outputting a modified copy of a scanned original
    • H04N1/00867—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message
    • H04N1/0087—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message with hidden additional data, e.g. data invisible to the human eye
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H04N1/32208—Spatial or amplitude domain methods involving changing the magnitude of selected pixels, e.g. overlay of information or super-imposition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H04N1/32251—Spatial or amplitude domain methods in multilevel data, e.g. greyscale or continuous tone data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32309—Methods relating to embedding, encoding, decoding, detection or retrieval operations in colour image data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32352—Controlling detectability or arrangements to facilitate detection or retrieval of the embedded information, e.g. using markers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3204—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium
    • H04N2201/3205—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium of identification information, e.g. name or ID code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
    • H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3271—Printing or stamping

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
CA002086472A 1992-01-06 1992-12-30 Methode et appareil de traitement d'images Expired - Fee Related CA2086472C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4-000104 1992-01-06
JP10492 1992-01-06
JP4-043897 1992-02-28
JP4389792 1992-02-28

Publications (2)

Publication Number Publication Date
CA2086472A1 true CA2086472A1 (fr) 1993-07-07
CA2086472C CA2086472C (fr) 1999-08-03

Family

ID=26333018

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002086472A Expired - Fee Related CA2086472C (fr) 1992-01-06 1992-12-30 Methode et appareil de traitement d'images

Country Status (4)

Country Link
US (1) US5457540A (fr)
EP (2) EP0949798B1 (fr)
CA (1) CA2086472C (fr)
DE (2) DE69232992T2 (fr)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2088235C (fr) * 1992-01-31 2001-11-27 Akira Negishi Traitement servant a introduire des informations invisibles dans des images
US6738491B1 (en) * 1992-06-30 2004-05-18 Minolta Co., Ltd. Image forming apparatus and copy management system
CA2106708C (fr) * 1992-09-25 2000-01-25 Nobuatsu Sasanuma Appareil et methode de traitement d'images
US6421145B1 (en) * 1992-09-28 2002-07-16 Canon Kabushiki Kaisha Image processing apparatus and method using image information and additional information or an additional pattern added thereto or superposed thereon
EP0616293B1 (fr) 1993-02-17 2002-05-15 Canon Kabushiki Kaisha Méthode et dispositif d'impression de données codées
US5646670A (en) * 1993-08-31 1997-07-08 Canon Kabushiki Kaisha Color image forming apparatus which reduces toner consumption during image formation
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US6983051B1 (en) 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US6757406B2 (en) 1993-11-18 2004-06-29 Digimarc Corporation Steganographic image processing
US6345104B1 (en) 1994-03-17 2002-02-05 Digimarc Corporation Digital watermarks and methods for security documents
US5768426A (en) 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US6944298B1 (en) 1993-11-18 2005-09-13 Digimare Corporation Steganographic encoding and decoding of auxiliary codes in media signals
US5748763A (en) 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US6614914B1 (en) 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
US7113615B2 (en) 1993-11-18 2006-09-26 Digimarc Corporation Watermark embedder and reader
US5878162A (en) * 1993-11-30 1999-03-02 Mita Industrial Co., Ltd. Image processing circuit
JP3295202B2 (ja) * 1993-12-22 2002-06-24 キヤノン株式会社 画像形成装置
GB9400971D0 (en) * 1994-01-19 1994-03-16 Mor Limited Method of and apparatus for manipulating digital data
US7286684B2 (en) 1994-03-17 2007-10-23 Digimarc Corporation Secure document design carrying auxiliary machine readable information
US7036019B1 (en) 1994-04-01 2006-04-25 Intarsia Software Llc Method for controlling database copyrights
US6744894B1 (en) 1994-04-01 2004-06-01 Mitsubishi Corporation Data management system
JPH07271865A (ja) 1994-04-01 1995-10-20 Mitsubishi Corp データベース著作権管理方法
JP3605140B2 (ja) * 1994-06-03 2004-12-22 株式会社リコー デジタル複写装置
EP0688128A1 (fr) * 1994-06-13 1995-12-20 Mita Industrial Co. Ltd. Appareil de formation d'images
JP2996277B2 (ja) * 1994-06-15 1999-12-27 富士ゼロックス株式会社 画像形成装置
GB2292036A (en) * 1994-08-02 1996-02-07 Gestetner Management Ltd Data security monitoring system
JP3224480B2 (ja) * 1994-09-30 2001-10-29 キヤノン株式会社 カラー画像処理装置
US7302415B1 (en) 1994-09-30 2007-11-27 Intarsia Llc Data copyright management system
US6072871A (en) * 1994-10-05 2000-06-06 Leon H. Charney Method and system for identifying the source of documents generated by software and documents generated thereby
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
EP0709760B1 (fr) 1994-10-27 2006-05-31 Intarsia Software LLC Système de gestion de données de droits d'auteurs
EP0715241B1 (fr) 1994-10-27 2004-01-14 Mitsubishi Corporation Appareil pour système de gestion de droits d'auteur de données
US6424715B1 (en) 1994-10-27 2002-07-23 Mitsubishi Corporation Digital content management system and apparatus
GB9504221D0 (en) * 1995-03-02 1995-04-19 Mor Limited Method of and apparatus for manipulating digital data works
US5732151A (en) * 1995-03-03 1998-03-24 Hewlett-Packard Company Computerized memory mapping method for transforming color data
ATE245328T1 (de) * 1995-05-08 2003-08-15 Digimarc Corp Fälschungssichere dokumente mit bildern, die geheime daten übertragen, sowie verfahren dafür
US6580808B2 (en) 1995-09-25 2003-06-17 Digimarc Corporation Method and apparatus for discerning image distortion by reference to encoded marker signals
US8595502B2 (en) 1995-09-29 2013-11-26 Intarsia Software Llc Data management system
US7801817B2 (en) 1995-10-27 2010-09-21 Makoto Saito Digital content management system and apparatus
JP2000509176A (ja) * 1996-04-23 2000-07-18 ウア，シュミュエル 無許可のソフトウェア複製物が生成した文書を識別する方法及びシステム
US6384935B1 (en) 1997-02-28 2002-05-07 Canon Kabushiki Kaisha Image process apparatus, image process method and storage medium
US6256110B1 (en) * 1997-06-11 2001-07-03 Canon Kabushiki Kaisha Image processing apparatus and method and storage medium
JPH114337A (ja) 1997-06-11 1999-01-06 Canon Inc 画像処理装置及び方法
US6301010B1 (en) 1997-09-30 2001-10-09 Canon Kabushiki Kaisha Image processing method and apparatus
JPH11112782A (ja) 1997-09-30 1999-04-23 Canon Inc 画像処理装置、画像処理方法及びコンピュータ読み取り可能な記憶媒体
JP4620817B2 (ja) * 1998-05-29 2011-01-26 キヤノン株式会社 画像処理装置および画像処理方法
US6325420B1 (en) 1998-08-17 2001-12-04 Inspectron Corporation Method for embedding non-intrusive encoded data in printed matter and system for reading same
JP4763866B2 (ja) 1998-10-15 2011-08-31 インターシア ソフトウェア エルエルシー ２重再暗号化によりデジタルデータを保護する方法及び装置
JP3639742B2 (ja) 1999-03-30 2005-04-20 キヤノン株式会社 画像処理装置及びその方法
EP1089542A3 (fr) * 1999-09-30 2004-03-17 Canon Kabushiki Kaisha Appareil et méthode de formation d'images
JP3976969B2 (ja) * 1999-12-02 2007-09-19 キヤノン株式会社 画像処理装置、画像処理方法及び記憶媒体
JP2002330339A (ja) * 2001-02-28 2002-11-15 Canon Inc 撮像装置、撮像光学ユニットおよび撮像システム
US6930759B2 (en) * 2003-09-23 2005-08-16 Eastman Kodak Company Method and apparatus for exposing a latent watermark on film
JP4490335B2 (ja) * 2005-06-10 2010-06-23 株式会社リコー パターン重畳装置、パターン重畳方法、パターン重畳プログラム、パターン重畳プログラムを記録した記録媒体
JP4875723B2 (ja) * 2009-04-24 2012-02-15 シャープ株式会社 画像形成装置

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EP0079153B1 (fr) * 1981-10-30 1985-08-21 Crosfield Electronics Limited Commande de repérage dans une presse d'imprimerie
DE3229616A1 (de) * 1982-08-09 1984-02-09 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zum ueberlagern von grafischen mustern und/oder zeichen
US4709274A (en) * 1983-08-29 1987-11-24 Canon Kabushiki Kaisha Image processing apparatus
US4739377A (en) * 1986-10-10 1988-04-19 Eastman Kodak Company Confidential document reproduction method and apparatus
EP0529746B1 (fr) * 1988-05-13 1996-07-31 Canon Kabushiki Kaisha Appareil de production d'images
US4891666A (en) * 1988-11-28 1990-01-02 Quebecor Publitech Inc. Copy indicator for a document
JP2985205B2 (ja) * 1990-01-25 1999-11-29 ミノルタ株式会社 画像形成装置
US5149140A (en) * 1991-03-11 1992-09-22 The Standard Register Company Security, information document

Also Published As

Publication number Publication date
DE69231732T2 (de) 2001-08-09
EP0551016B8 (fr) 2001-11-14
EP0949798A2 (fr) 1999-10-13
CA2086472C (fr) 1999-08-03
US5457540A (en) 1995-10-10
DE69232992T2 (de) 2003-12-11
EP0551016B1 (fr) 2001-03-14
EP0949798A3 (fr) 1999-12-08
DE69232992D1 (de) 2003-05-08
DE69231732D1 (de) 2001-04-19
EP0949798B1 (fr) 2003-04-02
EP0551016A1 (fr) 1993-07-14

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Effective date: 20121231