SE9903461L - Metod och apparat för identifieringsmärkning av en dataström - Google Patents

Metod och apparat för identifieringsmärkning av en dataström

Info

Publication number
SE9903461L
SE9903461L SE9903461A SE9903461A SE9903461L SE 9903461 L SE9903461 L SE 9903461L SE 9903461 A SE9903461 A SE 9903461A SE 9903461 A SE9903461 A SE 9903461A SE 9903461 L SE9903461 L SE 9903461L
Authority
SE
Sweden
Prior art keywords
data stream
noise
video
lead
identification code
Prior art date
Application number
SE9903461A
Other languages
Unknown language ( )
English (en)
Other versions
SE9903461D0 (sv
Inventor
Mats Stenfeldt
Bo Doemstedt
Original Assignee
Protego Information Ab
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 Protego Information Ab filed Critical Protego Information Ab
Priority to SE9903461A priority Critical patent/SE9903461L/sv
Publication of SE9903461D0 publication Critical patent/SE9903461D0/sv
Priority to PCT/SE2000/001835 priority patent/WO2001022406A1/en
Priority to AU78191/00A priority patent/AU7819100A/en
Publication of SE9903461L publication Critical patent/SE9903461L/sv

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335—Television 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
SE9903461A 1999-09-24 1999-09-24 Metod och apparat för identifieringsmärkning av en dataström SE9903461L (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9903461A SE9903461L (sv) 1999-09-24 1999-09-24 Metod och apparat för identifieringsmärkning av en dataström
PCT/SE2000/001835 WO2001022406A1 (en) 1999-09-24 2000-09-20 Method and apparatus for identification marking of a data stream
AU78191/00A AU7819100A (en) 1999-09-24 2000-09-20 Method and apparatus for identification marking of a data stream

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9903461A SE9903461L (sv) 1999-09-24 1999-09-24 Metod och apparat för identifieringsmärkning av en dataström

Publications (2)

Publication Number Publication Date
SE9903461D0 SE9903461D0 (sv) 1999-09-24
SE9903461L true SE9903461L (sv) 2001-03-25

Family

ID=20417141

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9903461A SE9903461L (sv) 1999-09-24 1999-09-24 Metod och apparat för identifieringsmärkning av en dataström

Country Status (3)

Country Link
AU (1) AU7819100A (sv)
SE (1) SE9903461L (sv)
WO (1) WO2001022406A1 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9520993B2 (en) 2001-01-26 2016-12-13 International Business Machines Corporation Renewable traitor tracing
US7505593B2 (en) 2002-12-09 2009-03-17 International Business Machines Corporation Method for tracing traitors and preventing piracy of digital content in a broadcast encryption system
US7574514B2 (en) 2003-09-30 2009-08-11 Sharp Laboratories Of America, Inc. Systems and methods for identifying original streams of media content
US11363352B2 (en) 2017-09-29 2022-06-14 International Business Machines Corporation Video content relationship mapping
US10587919B2 (en) 2017-09-29 2020-03-10 International Business Machines Corporation Cognitive digital video filtering based on user preferences

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394274A (en) * 1988-01-22 1995-02-28 Kahn; Leonard R. Anti-copy system utilizing audible and inaudible protection signals
JP3010930B2 (ja) * 1992-09-24 2000-02-21 松下電器産業株式会社 記録再生装置
JP3106985B2 (ja) * 1996-12-25 2000-11-06 日本電気株式会社 電子すかし挿入装置及び検出装置

Also Published As

Publication number Publication date
AU7819100A (en) 2001-04-24
SE9903461D0 (sv) 1999-09-24
WO2001022406A1 (en) 2001-03-29

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Legal Events

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NAV Patent application has lapsed