BR0113271A - Modulação de um ou mais parámetros de um sistema de codificação de percepção de áudio ou de vìdeo em resposta à informação suplementar - Google Patents

Modulação de um ou mais parámetros de um sistema de codificação de percepção de áudio ou de vìdeo em resposta à informação suplementar

Info

Publication number
BR0113271A
BR0113271A BR0113271-7A BR0113271A BR0113271A BR 0113271 A BR0113271 A BR 0113271A BR 0113271 A BR0113271 A BR 0113271A BR 0113271 A BR0113271 A BR 0113271A
Authority
BR
Brazil
Prior art keywords
parameters
response
modulation
audio
supplementary information
Prior art date
Application number
BR0113271-7A
Other languages
English (en)
Other versions
BRPI0113271B1 (pt
Inventor
Matthew Aubrey Watson
Michael Mead Truman
Stephen Decker Vernon
Brett Graham Crockett
Original Assignee
Dolby Lab Licensing 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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of BR0113271A publication Critical patent/BR0113271A/pt
Publication of BRPI0113271B1 publication Critical patent/BRPI0113271B1/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
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Stereophonic System (AREA)
  • Transmitters (AREA)

Abstract

"MODULAçãO DE UM OU MAIS PARáMETROS DE UM SISTEMA DE CODIFICAçãO DE PERCEPçãO DE áUDIO OU DE VìDEO EM RESPOSTA à INFORMAçãO SUPLEMENTAR". A presente invenção refere-se a método para modificar a operação da função codificadora e/ou da função decodificadora de um sistema de codificação de percepção de acordo com informação suplementar, tal como uma marca d'água, de modo que a informação suplementar possa ser detectável na saída da função decodificadora. Um ou mais parâmetros são modulados na função codificadora e/ou na função decodificadora em resposta à informação suplementar.
BRPI0113271A 2000-08-16 2001-08-15 método para modificar a operação da função codificadora e/ou da função decodificadora de um sistema de codificação perceptual de acordo com informação suplementar BRPI0113271B1 (pt)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US22604400P 2000-08-16 2000-08-16
US22615100P 2000-08-16 2000-08-16
US25607800P 2000-12-15 2000-12-15
US25596700P 2000-12-15 2000-12-15
US25596400P 2000-12-15 2000-12-15
US25600000P 2000-12-15 2000-12-15
US25596500P 2000-12-15 2000-12-15
US25615700P 2000-12-15 2000-12-15
PCT/US2001/025473 WO2002015587A2 (en) 2000-08-16 2001-08-15 Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information

Publications (2)

Publication Number Publication Date
BR0113271A true BR0113271A (pt) 2003-09-23
BRPI0113271B1 BRPI0113271B1 (pt) 2016-01-26

Family

ID=27575224

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0113271A BRPI0113271B1 (pt) 2000-08-16 2001-08-15 método para modificar a operação da função codificadora e/ou da função decodificadora de um sistema de codificação perceptual de acordo com informação suplementar

Country Status (12)

Country Link
US (1) US7395211B2 (pt)
EP (1) EP1310099B1 (pt)
JP (1) JP2004506947A (pt)
KR (1) KR100898879B1 (pt)
CN (1) CN100431355C (pt)
AT (1) ATE308858T1 (pt)
AU (2) AU2001284910B2 (pt)
BR (1) BRPI0113271B1 (pt)
CA (1) CA2418722C (pt)
DE (1) DE60114638T2 (pt)
HK (1) HK1080243B (pt)
WO (1) WO2002015587A2 (pt)

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US20040024588A1 (en) 2004-02-05
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DE60114638D1 (de) 2005-12-08
KR20030064381A (ko) 2003-07-31
AU2001284910B2 (en) 2007-03-22
CA2418722A1 (en) 2002-02-21
US7395211B2 (en) 2008-07-01
JP2004506947A (ja) 2004-03-04
CN100431355C (zh) 2008-11-05
EP1310099B1 (en) 2005-11-02
BRPI0113271B1 (pt) 2016-01-26
DE60114638T2 (de) 2006-07-20
CN1672418A (zh) 2005-09-21
EP1310099A2 (en) 2003-05-14
KR100898879B1 (ko) 2009-05-25
AU8491001A (en) 2002-02-25
CA2418722C (en) 2012-02-07
HK1080243A1 (en) 2006-04-21
HK1080243B (zh) 2009-05-15

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