GB2361377B - Method and device for generating digital data watermarked with authentication data - Google Patents

Method and device for generating digital data watermarked with authentication data

Info

Publication number
GB2361377B
GB2361377B GB0114928A GB0114928A GB2361377B GB 2361377 B GB2361377 B GB 2361377B GB 0114928 A GB0114928 A GB 0114928A GB 0114928 A GB0114928 A GB 0114928A GB 2361377 B GB2361377 B GB 2361377B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
device
method
watermarked
generating digital
data
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
GB0114928A
Other versions
GB0114928D0 (en )
GB2361377A (en )
Inventor
Jiankang Wu
A Desai Narasimhalu
Sheng Lo
Jean-Luc Lebrun
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.)
Kent Ridge Digital Labs
Original Assignee
Kent Ridge Digital Labs
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
Grant date

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/283Security features, e.g. digital codes
    • G11B23/284Security features, e.g. digital codes on the record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/913Television signal processing therefor for scrambling ; for copy protection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/913Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark
GB0114928A 1998-12-11 1998-12-11 Method and device for generating digital data watermarked with authentication data Expired - Fee Related GB2361377B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SG1998/000104 WO2000036605A1 (en) 1998-12-11 1998-12-11 Method and device for generating digital data watermarked with authentication data

Publications (3)

Publication Number Publication Date
GB0114928D0 GB0114928D0 (en) 2001-08-08
GB2361377A true GB2361377A (en) 2001-10-17
GB2361377B true GB2361377B (en) 2003-03-26

Family

ID=20429897

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0114928A Expired - Fee Related GB2361377B (en) 1998-12-11 1998-12-11 Method and device for generating digital data watermarked with authentication data

Country Status (2)

Country Link
GB (1) GB2361377B (en)
WO (1) WO2000036605A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6505160B1 (en) 1995-07-27 2003-01-07 Digimarc Corporation Connected audio and other media objects
US7010144B1 (en) 1994-10-21 2006-03-07 Digimarc Corporation Associating data with images in imaging systems
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
US20070100757A1 (en) 1999-05-19 2007-05-03 Rhoads Geoffrey B Content Protection Arrangements
EP1249002B1 (en) 2000-01-13 2011-03-16 Digimarc Corporation Authenticating metadata and embedding metadata in watermarks of media signals
US8874244B2 (en) 1999-05-19 2014-10-28 Digimarc Corporation Methods and systems employing digital content
US7406214B2 (en) 1999-05-19 2008-07-29 Digimarc Corporation Methods and devices employing optical sensors and/or steganography
US6947571B1 (en) 1999-05-19 2005-09-20 Digimarc Corporation Cell phones with optical capabilities, and related applications
US7224995B2 (en) 1999-11-03 2007-05-29 Digimarc Corporation Data entry method and system
US7043048B1 (en) 2000-06-01 2006-05-09 Digimarc Corporation Capturing and encoding unique user attributes in media signals
EP1170704A1 (en) * 2000-07-04 2002-01-09 acter AG Portable access authorization device, GPS receiver and antenna
WO2003009217A1 (en) * 2001-07-16 2003-01-30 Trustcopy Pte Ltd. Electronic signing of documents
EP1696355A1 (en) * 2001-09-25 2006-08-30 Sony Deutschland GmbH Automatic meta-data creation through context sensing
US6996251B2 (en) 2002-09-30 2006-02-07 Myport Technologies, Inc. Forensic communication apparatus and method
US7778438B2 (en) 2002-09-30 2010-08-17 Myport Technologies, Inc. Method for multi-media recognition, data conversion, creation of metatags, storage and search retrieval
US7330511B2 (en) * 2003-08-18 2008-02-12 Koplar Interactive Systems International, L.L.C. Method and system for embedding device positional data in video signals
EP1796368A1 (en) * 2005-12-06 2007-06-13 Océ-Technologies B.V. Scan apparatus
WO2008048356A9 (en) * 2006-03-03 2010-12-09 Catcher Holdings, Inc. Device and method for digitally watermarking an image with gps data
KR20110128322A (en) * 2009-03-03 2011-11-29 디지맥 코포레이션 Narrowcasting from public displays, and related arrangements
US9253433B2 (en) 2012-11-27 2016-02-02 International Business Machines Corporation Method and apparatus for tagging media with identity of creator or scene

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996003835A2 (en) * 1994-07-25 1996-02-08 Macrovision Corporation Apparatus and method for comprehensive copy protection for video platforms and unprotected source material
US5598473A (en) * 1994-08-17 1997-01-28 Ibm Corporation Digital signature generator/verifier/recorder (DS-GVR) for analog transmissions
EP0766468A2 (en) * 1995-09-28 1997-04-02 Nec Corporation Method and system for inserting a spread spectrum watermark into multimedia data
EP0779602A2 (en) * 1995-12-15 1997-06-18 AT&T Corp. Method and apparatus employing audio and video data from an individual for authentication purposes
EP0883284A2 (en) * 1997-06-05 1998-12-09 Hitachi, Ltd. Digital data authentication method
EP1003127A2 (en) * 1998-10-30 2000-05-24 Hitachi, Ltd. Digital signature or electronic seal authentication system and recognized mark management program

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996003835A2 (en) * 1994-07-25 1996-02-08 Macrovision Corporation Apparatus and method for comprehensive copy protection for video platforms and unprotected source material
US5598473A (en) * 1994-08-17 1997-01-28 Ibm Corporation Digital signature generator/verifier/recorder (DS-GVR) for analog transmissions
EP0766468A2 (en) * 1995-09-28 1997-04-02 Nec Corporation Method and system for inserting a spread spectrum watermark into multimedia data
EP0779602A2 (en) * 1995-12-15 1997-06-18 AT&T Corp. Method and apparatus employing audio and video data from an individual for authentication purposes
EP0883284A2 (en) * 1997-06-05 1998-12-09 Hitachi, Ltd. Digital data authentication method
EP1003127A2 (en) * 1998-10-30 2000-05-24 Hitachi, Ltd. Digital signature or electronic seal authentication system and recognized mark management program

Also Published As

Publication number Publication date Type
GB0114928D0 (en) 2001-08-08 grant
WO2000036605A1 (en) 2000-06-22 application
GB2361377A (en) 2001-10-17 application

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20081211