PT1020077E - Processo e aparelho para uma marca de agua de copia unica para uma gravacao de video - Google Patents

Processo e aparelho para uma marca de agua de copia unica para uma gravacao de video

Info

Publication number
PT1020077E
PT1020077E PT98953272T PT98953272T PT1020077E PT 1020077 E PT1020077 E PT 1020077E PT 98953272 T PT98953272 T PT 98953272T PT 98953272 T PT98953272 T PT 98953272T PT 1020077 E PT1020077 E PT 1020077E
Authority
PT
Portugal
Prior art keywords
watermark
copy
frame
video
attribute
Prior art date
Application number
PT98953272T
Other languages
English (en)
Inventor
John O Ryan
Patrice J Capitant
Clayton L Davidson
James R Holzgrafe
Kordian J Kurowski
Andrew B Mellows
Tony Forrest Rodriguez
Original Assignee
Digimarc Corp
Macrovision 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 Digimarc Corp, Macrovision Corp filed Critical Digimarc Corp
Publication of PT1020077E publication Critical patent/PT1020077E/pt

Links

Classifications

    • 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
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
    • 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
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • 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
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • 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
    • 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
    • G06T2201/0064—Image watermarking for copy protection or copy management, e.g. CGMS, copy only once, one-time copy
    • 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
    • G06T2201/0065—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
    • H04N2005/91314—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 pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses
    • 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
    • H04N2005/91321—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 copy protection control signal, e.g. a record inhibit signal
    • 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
    • H04N2005/91328—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 copy management signal, e.g. a copy generation management signal [CGMS]
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
PT98953272T 1997-10-08 1998-10-01 Processo e aparelho para uma marca de agua de copia unica para uma gravacao de video PT1020077E (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US6148897P 1997-10-08 1997-10-08
US7666898P 1998-03-03 1998-03-03
US7677798P 1998-03-04 1998-03-04
US7745298P 1998-03-10 1998-03-10

Publications (1)

Publication Number Publication Date
PT1020077E true PT1020077E (pt) 2002-12-31

Family

ID=27490212

Family Applications (1)

Application Number Title Priority Date Filing Date
PT98953272T PT1020077E (pt) 1997-10-08 1998-10-01 Processo e aparelho para uma marca de agua de copia unica para uma gravacao de video

Country Status (20)

Country Link
US (1) US6374036B1 (pt)
EP (1) EP1020077B1 (pt)
JP (2) JP4139560B2 (pt)
KR (1) KR100374920B1 (pt)
CN (1) CN1136724C (pt)
AT (1) ATE222040T1 (pt)
AU (1) AU729762B2 (pt)
BR (1) BR9812908B1 (pt)
CA (1) CA2305254C (pt)
DE (1) DE69807102T2 (pt)
DK (1) DK1020077T3 (pt)
ES (1) ES2181288T3 (pt)
HK (1) HK1028696A1 (pt)
IL (2) IL135498A0 (pt)
MX (1) MXPA00003337A (pt)
MY (1) MY123159A (pt)
NZ (1) NZ503280A (pt)
PT (1) PT1020077E (pt)
TW (1) TW398149B (pt)
WO (1) WO1999018723A1 (pt)

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DE69807102T2 (de) 2003-04-10
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MY123159A (en) 2006-05-31
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EP1020077A1 (en) 2000-07-19
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