SE9903461L - Metod och apparat för identifieringsmärkning av en dataström - Google Patents
Metod och apparat för identifieringsmärkning av en dataströmInfo
- 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
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)
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 ( ) |
SE (1) | SE9903461L ( ) |
WO (1) | WO2001022406A1 ( ) |
Families Citing this family (5)
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)
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 |
-
1999
- 1999-09-24 SE SE9903461A patent/SE9903461L/ not_active Application Discontinuation
-
2000
- 2000-09-20 AU AU78191/00A patent/AU7819100A/en not_active Abandoned
- 2000-09-20 WO PCT/SE2000/001835 patent/WO2001022406A1/en active Application Filing
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
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |