DE60042143D1 - Vorrichtung und Verfahren zur Bildverarbeitung sowie Speichermedium - Google Patents

Vorrichtung und Verfahren zur Bildverarbeitung sowie Speichermedium

Info

Publication number
DE60042143D1
DE60042143D1 DE60042143T DE60042143T DE60042143D1 DE 60042143 D1 DE60042143 D1 DE 60042143D1 DE 60042143 T DE60042143 T DE 60042143T DE 60042143 T DE60042143 T DE 60042143T DE 60042143 D1 DE60042143 D1 DE 60042143D1
Authority
DE
Germany
Prior art keywords
image processing
storage medium
image
medium
storage
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.)
Expired - Fee Related
Application number
DE60042143T
Other languages
English (en)
Inventor
Keiichi Iwamura
Takeshi Makita
Yoshihiro Ishida
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
Application granted granted Critical
Publication of DE60042143D1 publication Critical patent/DE60042143D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • 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
    • H04N1/32154—Transform 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
    • H04N1/32154—Transform domain methods
    • H04N1/32165—Transform domain methods using cosine transforms
    • 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
    • H04N1/32154—Transform domain methods
    • H04N1/32187—Transform domain methods with selective or adaptive application of the additional information, e.g. in selected frequency coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
DE60042143T 1999-03-30 2000-03-29 Vorrichtung und Verfahren zur Bildverarbeitung sowie Speichermedium Expired - Fee Related DE60042143D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08970299A JP3728136B2 (ja) 1999-03-30 1999-03-30 画像処理装置及び画像処理方法及び記憶媒体

Publications (1)

Publication Number Publication Date
DE60042143D1 true DE60042143D1 (de) 2009-06-18

Family

ID=13978121

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60042143T Expired - Fee Related DE60042143D1 (de) 1999-03-30 2000-03-29 Vorrichtung und Verfahren zur Bildverarbeitung sowie Speichermedium

Country Status (4)

Country Link
US (1) US6721438B1 (de)
EP (1) EP1041815B1 (de)
JP (1) JP3728136B2 (de)
DE (1) DE60042143D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6744906B2 (en) 1995-05-08 2004-06-01 Digimarc Corporation Methods and systems using multiple watermarks
US6804376B2 (en) 1998-01-20 2004-10-12 Digimarc Corporation Equipment employing watermark-based authentication function
JP3266569B2 (ja) * 1998-07-29 2002-03-18 日本電気株式会社 電子透かしデータによる画像属性変更システム
JP3472188B2 (ja) * 1999-03-31 2003-12-02 キヤノン株式会社 情報処理システム、情報処理装置、情報処理方法及び記憶媒体
JP3690726B2 (ja) * 2000-04-13 2005-08-31 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 データ処理装置、画像処理装置およびこれらの方法
US7346776B2 (en) 2000-09-11 2008-03-18 Digimarc Corporation Authenticating media signals by adjusting frequency characteristics to reference values
US6512837B1 (en) * 2000-10-11 2003-01-28 Digimarc Corporation Watermarks carrying content dependent signal metrics for detecting and characterizing signal alteration
US6970259B1 (en) * 2000-11-28 2005-11-29 Xerox Corporation Systems and methods for forgery detection and deterrence of printed documents
JP3596604B2 (ja) * 2000-12-07 2004-12-02 日本電気株式会社 出力装置コントローラ
JP3587168B2 (ja) * 2001-01-23 2004-11-10 日本ビクター株式会社 電子透かし情報埋め込み装置、埋め込み方法、電子透かし情報再生装置及び再生方法
JP2003006643A (ja) * 2001-06-25 2003-01-10 Canon Inc 画像処理装置及びその方法、プログラム
US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
US7519819B2 (en) 2002-05-29 2009-04-14 Digimarc Corporatino Layered security in digital watermarking
US7225991B2 (en) 2003-04-16 2007-06-05 Digimarc Corporation Three dimensional data storage
US20070147656A1 (en) * 2005-12-22 2007-06-28 James Browning Method and system to provide support for digital watermarks in a database
JP4834473B2 (ja) * 2006-06-23 2011-12-14 キヤノン株式会社 画像処理システムおよび画像処理方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529745B1 (de) 1988-05-13 1996-10-30 Canon Kabushiki Kaisha Gerät zur Bildherstellung
CA2063785C (en) * 1991-03-25 1998-09-29 Masahiro Funada Image processing apparatus
DE69227073D1 (de) 1991-07-12 1998-10-29 Canon Kk Bildverarbeitung
EP0552791B1 (de) 1992-01-24 2003-05-02 Canon Kabushiki Kaisha Gerät und Verfahren zum Extrahieren von Kantendaten und zur Kodierung von Bilddaten mit diesen Kantendaten
US5933528A (en) 1992-01-27 1999-08-03 Canon Kabushiki Kaisha Image processing apparatus
DE69332283D1 (de) 1992-06-11 2002-10-17 Canon Kk Verfahren und Einrichtung zur Bildverarbeitung
EP0589702B1 (de) 1992-09-24 1999-05-12 Canon Kabushiki Kaisha Bildverarbeitungsverfahren und -gerät
ATE252796T1 (de) 1993-07-20 2003-11-15 Canon Kk Verfahren und kommunikationssystem unter verwendung einer verschlüsselungseinrichtung
US5636292C1 (en) 1995-05-08 2002-06-18 Digimarc Corp Steganography methods employing embedded calibration data
US6449377B1 (en) * 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
EP0656709B1 (de) 1993-11-30 2005-07-13 Canon Kabushiki Kaisha Verfahren und Anordnung zur Verschlüsselung/Entschlüsselung auf der Basis des Montgomery-Verfahrens unter Verwendung von effizienter modularer Multiplikation
JPH07262360A (ja) 1994-02-07 1995-10-13 Canon Inc 画像処理装置及び方法
US5659726A (en) * 1995-02-23 1997-08-19 Sandford, Ii; Maxwell T. Data embedding
JPH0973337A (ja) 1995-09-05 1997-03-18 Canon Inc 課金装置、情報受信装置及び通信システム
DE69636084T2 (de) * 1995-09-28 2006-09-14 Nec Corp. Verfahren und Vorrichtung zum Einfügen eines Spreizspektrumwasserzeichens in Multimediadaten
US5905819A (en) * 1996-02-05 1999-05-18 Eastman Kodak Company Method and apparatus for hiding one image or pattern within another
CA2227381C (en) 1997-02-14 2001-05-29 Nec Corporation Image data encoding system and image inputting apparatus
JPH118753A (ja) * 1997-06-18 1999-01-12 Nec Corp 電子透かし挿入装置
US6332030B1 (en) * 1998-01-15 2001-12-18 The Regents Of The University Of California Method for embedding and extracting digital data in images and video
US6243480B1 (en) * 1998-04-30 2001-06-05 Jian Zhao Digital authentication with analog documents

Also Published As

Publication number Publication date
JP2000287059A (ja) 2000-10-13
JP3728136B2 (ja) 2005-12-21
EP1041815A3 (de) 2003-08-13
EP1041815A2 (de) 2000-10-04
EP1041815B1 (de) 2009-05-06
US6721438B1 (en) 2004-04-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee