BR0012962A - Técnica independente de escalonamento para imagens de marca d'água - Google Patents

Técnica independente de escalonamento para imagens de marca d'água

Info

Publication number
BR0012962A
BR0012962A BR0012962-3A BR0012962A BR0012962A BR 0012962 A BR0012962 A BR 0012962A BR 0012962 A BR0012962 A BR 0012962A BR 0012962 A BR0012962 A BR 0012962A
Authority
BR
Brazil
Prior art keywords
watermark
scale
predetermined
scales
time
Prior art date
Application number
BR0012962-3A
Other languages
English (en)
Portuguese (pt)
Inventor
John O Ryan
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=BR0012962(A) "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
Publication of BR0012962A publication Critical patent/BR0012962A/pt

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)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Seasonings (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR0012962-3A 1999-08-06 2000-08-01 Técnica independente de escalonamento para imagens de marca d'água BR0012962A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36964299A 1999-08-06 1999-08-06
PCT/US2000/021003 WO2001011890A1 (en) 1999-08-06 2000-08-01 A scaling independent technique for watermarking images

Publications (1)

Publication Number Publication Date
BR0012962A true BR0012962A (pt) 2002-04-30

Family

ID=23456296

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012962-3A BR0012962A (pt) 1999-08-06 2000-08-01 Técnica independente de escalonamento para imagens de marca d'água

Country Status (19)

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

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US9055239B2 (en) * 2003-10-08 2015-06-09 Verance Corporation Signal continuity assessment using embedded watermarks
US7616776B2 (en) * 2005-04-26 2009-11-10 Verance Corproation Methods and apparatus for enhancing the robustness of watermark extraction from digital host content
US7369677B2 (en) 2005-04-26 2008-05-06 Verance Corporation System reactions to the detection of embedded watermarks in a digital host content
US7770014B2 (en) 2004-04-30 2010-08-03 Microsoft Corporation Randomized signal transforms and their applications
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US9607131B2 (en) 2010-09-16 2017-03-28 Verance Corporation Secure and efficient content screening in a networked environment
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Also Published As

Publication number Publication date
US7764790B2 (en) 2010-07-27
IL148002A (en) 2007-07-24
AU6892300A (en) 2001-03-05
CN1367986A (zh) 2002-09-04
US8014524B2 (en) 2011-09-06
IL148002A0 (en) 2002-09-12
ATE235788T1 (de) 2003-04-15
JP4387627B2 (ja) 2009-12-16
RU2251821C2 (ru) 2005-05-10
TW502540B (en) 2002-09-11
JP2003506977A (ja) 2003-02-18
EP1198959A1 (en) 2002-04-24
CA2379992A1 (en) 2001-02-15
MXPA02001280A (es) 2002-08-12
EP1198959B1 (en) 2003-03-26
DK1198959T3 (da) 2003-06-02
NZ516764A (en) 2003-06-30
CA2379992C (en) 2005-03-29
ES2193984T3 (es) 2003-11-16
KR20020033755A (ko) 2002-05-07
HK1046201A1 (zh) 2002-12-27
KR100761230B1 (ko) 2007-09-28
DE60001837D1 (de) 2003-04-30
CN1186941C (zh) 2005-01-26
US20100246882A1 (en) 2010-09-30
US20040103293A1 (en) 2004-05-27
AU753421B2 (en) 2002-10-17
DE60001837T2 (de) 2003-12-11
WO2001011890A1 (en) 2001-02-15

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04N 7/26

Ipc: G06T 1/00 (2006.01), H04N 19/00 (2014.01), H04N 21