DE69823587D1 - Angepasste zeichenkodierte Kompression zur Kodierung und Erzeugung von Wasserzeichen auf einem Medieninhalt - Google Patents

Angepasste zeichenkodierte Kompression zur Kodierung und Erzeugung von Wasserzeichen auf einem Medieninhalt

Info

Publication number
DE69823587D1
DE69823587D1 DE69823587T DE69823587T DE69823587D1 DE 69823587 D1 DE69823587 D1 DE 69823587D1 DE 69823587 T DE69823587 T DE 69823587T DE 69823587 T DE69823587 T DE 69823587T DE 69823587 D1 DE69823587 D1 DE 69823587D1
Authority
DE
Germany
Prior art keywords
encode
media content
custom character
encoded compression
generate watermarks
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 - Lifetime
Application number
DE69823587T
Other languages
English (en)
Other versions
DE69823587T2 (de
Inventor
John Blakeway Lacy
Schuyler Reynier Quackenbush
James H Snyder
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.)
Chanyu Holdings LLC
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Publication of DE69823587D1 publication Critical patent/DE69823587D1/de
Application granted granted Critical
Publication of DE69823587T2 publication Critical patent/DE69823587T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • 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
    • 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
    • G11B20/00007—Time or data compression or expansion
    • 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
    • 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
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • 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
    • G11B20/00884—Circuits 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0053—Embedding of the watermark in the coding stream, possibly without decoding; Embedding of the watermark in the compressed domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
DE69823587T 1997-07-03 1998-06-22 Angepasste zeichenkodierte Kompression zur Kodierung und Erzeugung von Wasserzeichen auf einem Medieninhalt Expired - Lifetime DE69823587T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/888,014 US6266419B1 (en) 1997-07-03 1997-07-03 Custom character-coding compression for encoding and watermarking media content
US888014 1997-07-03

Publications (2)

Publication Number Publication Date
DE69823587D1 true DE69823587D1 (de) 2004-06-09
DE69823587T2 DE69823587T2 (de) 2005-03-31

Family

ID=25392350

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69823587T Expired - Lifetime DE69823587T2 (de) 1997-07-03 1998-06-22 Angepasste zeichenkodierte Kompression zur Kodierung und Erzeugung von Wasserzeichen auf einem Medieninhalt

Country Status (4)

Country Link
US (5) US6266419B1 (de)
EP (1) EP0889471B1 (de)
CA (1) CA2236227C (de)
DE (1) DE69823587T2 (de)

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Also Published As

Publication number Publication date
US20040205485A1 (en) 2004-10-14
EP0889471A3 (de) 1999-02-17
CA2236227A1 (en) 1999-01-03
US7492902B2 (en) 2009-02-17
US6266419B1 (en) 2001-07-24
EP0889471B1 (de) 2004-05-06
US8041038B2 (en) 2011-10-18
CA2236227C (en) 2001-07-10
US20120033812A1 (en) 2012-02-09
EP0889471A2 (de) 1999-01-07
US20080250091A1 (en) 2008-10-09
US6760443B2 (en) 2004-07-06
US20010036270A1 (en) 2001-11-01
DE69823587T2 (de) 2005-03-31

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