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MXPA03011560A - Aparato y metodo para marcar con una marca de agua una imagen digital. - Google Patents

Aparato y metodo para marcar con una marca de agua una imagen digital.

Info

Publication number
MXPA03011560A
MXPA03011560A MXPA03011560A MXPA03011560A MXPA03011560A MX PA03011560 A MXPA03011560 A MX PA03011560A MX PA03011560 A MXPA03011560 A MX PA03011560A MX PA03011560 A MXPA03011560 A MX PA03011560A MX PA03011560 A MXPA03011560 A MX PA03011560A
Authority
MX
Mexico
Prior art keywords
data
watermark
moving image
watermarking
protected
Prior art date
Application number
MXPA03011560A
Other languages
English (en)
Inventor
Thyagarajan Kadayam
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of MXPA03011560A publication Critical patent/MXPA03011560A/es

Links

Classifications

    • 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]
    • H04N21/80—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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/0085—Time domain based watermarking, e.g. watermarks spread over several images
    • 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
    • G06T2201/0052—Embedding of the watermark in the frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Image Processing (AREA)
  • Manufacturing Of Printed Circuit Boards (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

Un aparato para agregar una marca de agua a una imagen en movimiento cuando esta es presentada comprende un generador de marcas de agua en el cual son generados datos que representan una marca de agua. La marca de agua contiene al menos uno de datos de ubicacion y datos de tiempo pertenecientes a la presentacion de la imagen en movimiento. Los datos de ubicacion y tiempo son protegidos por codificacion de errores anticipada. La marca de agua tambien contiene al menos uno de datos de programa que identifican a la imagen movil y datos de cuadros unicos que identifican cada cuadro de la imagen en movimiento. Los datos de programa y tiempo son protegidos por codificacion. Un aplicador de marca de agua aplica los datos de la marca de agua a los datos de imagen que representan sustancialmente toda la imagen en movimiento dependiendo de las caracteristicas, como la amplitud, de los datos.
MXPA03011560A 2001-06-13 2002-06-13 Aparato y metodo para marcar con una marca de agua una imagen digital. MXPA03011560A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/881,017 US6996248B2 (en) 2001-06-13 2001-06-13 Apparatus and method for watermarking a digital image
PCT/US2002/018960 WO2002101648A2 (en) 2001-06-13 2002-06-13 Apparatus and method for watermarking a digital image

Publications (1)

Publication Number Publication Date
MXPA03011560A true MXPA03011560A (es) 2004-03-26

Family

ID=25377605

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03011560A MXPA03011560A (es) 2001-06-13 2002-06-13 Aparato y metodo para marcar con una marca de agua una imagen digital.

Country Status (13)

Country Link
US (2) US6996248B2 (es)
EP (2) EP1395950B1 (es)
JP (1) JP4298499B2 (es)
KR (1) KR100881038B1 (es)
CN (1) CN100395774C (es)
AT (1) ATE414959T1 (es)
BR (1) BRPI0210375B1 (es)
CA (2) CA2637242C (es)
DE (1) DE60229936D1 (es)
ES (1) ES2315373T3 (es)
IL (2) IL159298A0 (es)
MX (1) MXPA03011560A (es)
WO (1) WO2002101648A2 (es)

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Also Published As

Publication number Publication date
US20060120562A1 (en) 2006-06-08
JP4298499B2 (ja) 2009-07-22
CN1630884A (zh) 2005-06-22
CA2450463A1 (en) 2002-12-19
DE60229936D1 (de) 2009-01-02
EP1395950A2 (en) 2004-03-10
WO2002101648A2 (en) 2002-12-19
EP2028617A3 (en) 2009-12-09
US20020191810A1 (en) 2002-12-19
US6996248B2 (en) 2006-02-07
EP2028617A2 (en) 2009-02-25
WO2002101648A3 (en) 2003-08-14
IL159298A0 (en) 2004-06-01
KR100881038B1 (ko) 2009-02-05
CN100395774C (zh) 2008-06-18
US7376243B2 (en) 2008-05-20
BR0210375A (pt) 2008-08-05
ATE414959T1 (de) 2008-12-15
CA2637242C (en) 2014-01-28
KR20040007719A (ko) 2004-01-24
CA2450463C (en) 2010-06-22
HK1076181A1 (zh) 2006-01-06
ES2315373T3 (es) 2009-04-01
BRPI0210375B1 (pt) 2015-07-28
CA2637242A1 (en) 2002-12-19
EP1395950B1 (en) 2008-11-19
IL159298A (en) 2009-09-22
JP2005518683A (ja) 2005-06-23

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