ES2193984T3 - Tecnica independiente de la escala para aplicar marcas de agua a imagenes. - Google Patents

Tecnica independiente de la escala para aplicar marcas de agua a imagenes.

Info

Publication number
ES2193984T3
ES2193984T3 ES00957280T ES00957280T ES2193984T3 ES 2193984 T3 ES2193984 T3 ES 2193984T3 ES 00957280 T ES00957280 T ES 00957280T ES 00957280 T ES00957280 T ES 00957280T ES 2193984 T3 ES2193984 T3 ES 2193984T3
Authority
ES
Spain
Prior art keywords
watermark
scale
scales
image
range
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
ES00957280T
Other languages
English (en)
Inventor
John O Ryan
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.)
Adeia Media LLC
Original Assignee
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23456296&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2193984(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Macrovision Corp filed Critical Macrovision Corp
Application granted granted Critical
Publication of ES2193984T3 publication Critical patent/ES2193984T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B20/00086—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
    • 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
    • G06T1/0064—Geometric transfor invariant watermarking, e.g. affine transform invariant
    • 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
    • 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
    • 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
    • G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Seasonings (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Un método para evitar el copiado ilícito de información de vídeo que está protegida contra el copiado por una marca de agua con un tamaño y posición estándar, compatible con una escala estándar, en el cual la imagen puede haberse expuesto a cambios en la escala de la imagen con la intención de eludir la marca de agua, y que comprende: a) seleccionar un intervalo de escalas correspondiente a las escalas de imagen que se utilizan para intentar eludir la marca de agua; b) incluir o insertar una marca de agua que tiene una primera escala seleccionada del intervalo de escalas, en la información de vídeo durante un primer periodo de tiempo; c) durante el primer periodo de tiempo, o al cabo del mismo, insertar la marca de agua que tiene otra escala seleccionada del intervalo de escalas, en la información de vídeo durante un segundo periodo de tiempo; d) repetir la etapa (c) utilizando una escala diferente del intervalo de escalas, hasta que se hayan insertado un número N de escalas; y (e) detectarla marca de agua que tiene la escala correspondiente a la escala de imagen utilizada para intentar eludir la marca de agua.
ES00957280T 1999-08-06 2000-08-01 Tecnica independiente de la escala para aplicar marcas de agua a imagenes. Expired - Lifetime ES2193984T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36964299A 1999-08-06 1999-08-06

Publications (1)

Publication Number Publication Date
ES2193984T3 true ES2193984T3 (es) 2003-11-16

Family

ID=23456296

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00957280T Expired - Lifetime ES2193984T3 (es) 1999-08-06 2000-08-01 Tecnica independiente de la escala para aplicar marcas de agua a imagenes.

Country Status (19)

Country Link
US (2) US7764790B2 (es)
EP (1) EP1198959B1 (es)
JP (1) JP4387627B2 (es)
KR (1) KR100761230B1 (es)
CN (1) CN1186941C (es)
AT (1) ATE235788T1 (es)
AU (1) AU753421B2 (es)
BR (1) BR0012962A (es)
CA (1) CA2379992C (es)
DE (1) DE60001837T2 (es)
DK (1) DK1198959T3 (es)
ES (1) ES2193984T3 (es)
HK (1) HK1046201A1 (es)
IL (2) IL148002A0 (es)
MX (1) MXPA02001280A (es)
NZ (1) NZ516764A (es)
RU (1) RU2251821C2 (es)
TW (1) TW502540B (es)
WO (1) WO2001011890A1 (es)

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Also Published As

Publication number Publication date
EP1198959A1 (en) 2002-04-24
US7764790B2 (en) 2010-07-27
HK1046201A1 (zh) 2002-12-27
DK1198959T3 (da) 2003-06-02
TW502540B (en) 2002-09-11
BR0012962A (pt) 2002-04-30
EP1198959B1 (en) 2003-03-26
JP2003506977A (ja) 2003-02-18
US20040103293A1 (en) 2004-05-27
CN1367986A (zh) 2002-09-04
US20100246882A1 (en) 2010-09-30
DE60001837T2 (de) 2003-12-11
IL148002A (en) 2007-07-24
JP4387627B2 (ja) 2009-12-16
CN1186941C (zh) 2005-01-26
IL148002A0 (en) 2002-09-12
ATE235788T1 (de) 2003-04-15
DE60001837D1 (de) 2003-04-30
CA2379992C (en) 2005-03-29
CA2379992A1 (en) 2001-02-15
WO2001011890A1 (en) 2001-02-15
KR100761230B1 (ko) 2007-09-28
US8014524B2 (en) 2011-09-06
MXPA02001280A (es) 2002-08-12
KR20020033755A (ko) 2002-05-07
AU6892300A (en) 2001-03-05
RU2251821C2 (ru) 2005-05-10
AU753421B2 (en) 2002-10-17
NZ516764A (en) 2003-06-30

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