BRPI0304568B1 - método para desblocagem de dados de pixel processados com codificação de transformada de bloco, codificador para codificar dados de pixel como uma pluralidade de coeficientes de transformada de bloco e decodificador para decodificar coeficientes de transformada de bloco codificados para prover dados de pixel reconstruídos - Google Patents

método para desblocagem de dados de pixel processados com codificação de transformada de bloco, codificador para codificar dados de pixel como uma pluralidade de coeficientes de transformada de bloco e decodificador para decodificar coeficientes de transformada de bloco codificados para prover dados de pixel reconstruídos Download PDF

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Publication number
BRPI0304568B1
BRPI0304568B1 BRPI0304568-4A BRPI0304568A BRPI0304568B1 BR PI0304568 B1 BRPI0304568 B1 BR PI0304568B1 BR PI0304568 A BRPI0304568 A BR PI0304568A BR PI0304568 B1 BRPI0304568 B1 BR PI0304568B1
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BR
Brazil
Prior art keywords
filter
block
pixels
chroma
pixel data
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BRPI0304568-4A
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English (en)
Portuguese (pt)
Inventor
Cristina Gomila
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Dolby International Ab
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Publication of BRPI0304568B1 publication Critical patent/BRPI0304568B1/pt

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    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Image Signal Generators (AREA)
BRPI0304568-4A 2002-05-01 2003-04-14 método para desblocagem de dados de pixel processados com codificação de transformada de bloco, codificador para codificar dados de pixel como uma pluralidade de coeficientes de transformada de bloco e decodificador para decodificar coeficientes de transformada de bloco codificados para prover dados de pixel reconstruídos BRPI0304568B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US37706102P 2002-05-01 2002-05-01
US60/377,061 2002-05-01
US39332802P 2002-07-02 2002-07-02
US60/393,328 2002-07-02
US10/364,429 2003-02-11
US10/364,429 US7319415B2 (en) 2002-05-01 2003-02-11 Chroma deblocking filter
PCT/US2003/011329 WO2003094497A2 (en) 2002-05-01 2003-04-14 Chroma deblocking filter

Publications (1)

Publication Number Publication Date
BRPI0304568B1 true BRPI0304568B1 (pt) 2020-11-10

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0304568-4A BRPI0304568B1 (pt) 2002-05-01 2003-04-14 método para desblocagem de dados de pixel processados com codificação de transformada de bloco, codificador para codificar dados de pixel como uma pluralidade de coeficientes de transformada de bloco e decodificador para decodificar coeficientes de transformada de bloco codificados para prover dados de pixel reconstruídos
BRPI0304568-4A BR0304568A2 (pt) 2002-05-01 2003-04-14 filtro desbloqueador de croma

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI0304568-4A BR0304568A2 (pt) 2002-05-01 2003-04-14 filtro desbloqueador de croma

Country Status (10)

Country Link
US (1) US7319415B2 (https=)
EP (1) EP1500197B1 (https=)
JP (1) JP4886985B2 (https=)
KR (1) KR100988984B1 (https=)
CN (1) CN100542042C (https=)
AU (1) AU2003221908A1 (https=)
BR (2) BRPI0304568B1 (https=)
ES (1) ES2765487T3 (https=)
MX (1) MXPA04010856A (https=)
WO (1) WO2003094497A2 (https=)

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Also Published As

Publication number Publication date
EP1500197A4 (en) 2011-01-19
CN100542042C (zh) 2009-09-16
EP1500197A2 (en) 2005-01-26
ES2765487T3 (es) 2020-06-09
US7319415B2 (en) 2008-01-15
US20030206587A1 (en) 2003-11-06
CN1659784A (zh) 2005-08-24
JP2005524346A (ja) 2005-08-11
AU2003221908A8 (en) 2003-11-17
EP1500197B1 (en) 2019-12-18
BR0304568A2 (pt) 2009-06-30
AU2003221908A1 (en) 2003-11-17
WO2003094497A2 (en) 2003-11-13
KR20040106436A (ko) 2004-12-17
JP4886985B2 (ja) 2012-02-29
KR100988984B1 (ko) 2010-10-20
MXPA04010856A (es) 2005-02-14
WO2003094497A3 (en) 2004-02-05

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