JP3982836B2 - 情報信号に埋め込まれた透かし情報の検出方法 - Google Patents

情報信号に埋め込まれた透かし情報の検出方法 Download PDF

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Publication number
JP3982836B2
JP3982836B2 JP50578798A JP50578798A JP3982836B2 JP 3982836 B2 JP3982836 B2 JP 3982836B2 JP 50578798 A JP50578798 A JP 50578798A JP 50578798 A JP50578798 A JP 50578798A JP 3982836 B2 JP3982836 B2 JP 3982836B2
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JP
Japan
Prior art keywords
information
watermark information
watermark
signal
correlation
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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
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JP50578798A
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English (en)
Japanese (ja)
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JP2000510980A5 (enExample
JP2000510980A (ja
Inventor
ヨハン ポール マリー ヘラルド リンナルツ
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Koninklijke Philips NV
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Philips Electronics NV
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Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Publication of JP2000510980A publication Critical patent/JP2000510980A/ja
Publication of JP2000510980A5 publication Critical patent/JP2000510980A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • 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
    • 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
    • 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
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0065—Extraction of an embedded watermark; Reliable detection
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Television Systems (AREA)
  • Storage Device Security (AREA)
JP50578798A 1996-07-16 1997-06-12 情報信号に埋め込まれた透かし情報の検出方法 Expired - Lifetime JP3982836B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96202016.0 1996-07-16
EP96202016 1996-07-16
PCT/IB1997/000692 WO1998003014A1 (en) 1996-07-16 1997-06-12 Detecting a watermark embedded in an information signal

Publications (3)

Publication Number Publication Date
JP2000510980A JP2000510980A (ja) 2000-08-22
JP2000510980A5 JP2000510980A5 (enExample) 2005-03-10
JP3982836B2 true JP3982836B2 (ja) 2007-09-26

Family

ID=8224197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50578798A Expired - Lifetime JP3982836B2 (ja) 1996-07-16 1997-06-12 情報信号に埋め込まれた透かし情報の検出方法

Country Status (6)

Country Link
US (1) US5933798A (enExample)
EP (1) EP0940037B1 (enExample)
JP (1) JP3982836B2 (enExample)
KR (1) KR100449354B1 (enExample)
DE (1) DE69734207T2 (enExample)
WO (1) WO1998003014A1 (enExample)

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