BR0306987A - Método de prognóstico de imagem em movimento, método e aparelho de codificação de imagem em movimento e método e aparelho de decodificação de imagem em movimento - Google Patents

Método de prognóstico de imagem em movimento, método e aparelho de codificação de imagem em movimento e método e aparelho de decodificação de imagem em movimento

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Publication number
BR0306987A
BR0306987A BR0306987A BR0306987A BR0306987A BR 0306987 A BR0306987 A BR 0306987A BR 0306987 A BR0306987 A BR 0306987A BR 0306987 A BR0306987 A BR 0306987A BR 0306987 A BR0306987 A BR 0306987A
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Brazil
Prior art keywords
motion picture
value
time
prediction
predicting
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BR0306987A
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English (en)
Inventor
Shinya Kadono
Chong Soon Lim
Teck Wee Foo
Sheng Mei Shen
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Matsushita Electric Ind Co Ltd
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Publication of BR0306987A publication Critical patent/BR0306987A/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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction

Abstract

"MéTODO DE PROGNóSTICO DE IMAGEM EM MOVIMENTO, MéTODO E APARELHO DE CODIFICAçãO DE IMAGEM EM MOVIMENTO E MéTODO E APARELHO DE DECODIFICAçãO DE IMAGEM EM MOVIMENTO". A presente invenção refere-se a um método de prognóstico de imagem em movimento para permitir que uma quantidade de cálculo e a uma capacidade de armazenamento sejam reduzidas em um prognóstico a cerca de uma imagem em movimento pelo processamento de ajuste de escala. Um método para prognosticar o valor P do Tempo T a partir do valor P0 do Tempo P0 e o valor Pl do Tempo Pl inclui uma etapa para julgar se é possível gerar um valor de prognóstico com um número de bits significativos predeterminado por se ajustar a escala utilizando o Tempo T0, T1 e T (Etapa S90); uma etapa para prognosticar o valor P a partir dos valores P0 e P1 por se ajustar a escala utilizando o Tempo T0, T1 e T quando é possível gerar um valor de prognóstico com o número de bits significativos predeterminado (Etapa S92); e uma etapa para prognosticar o valor de P formar os valores P0 e P1 sem utilizar o Tempo T0, T1 e T quando é possível gerar um valor de prognóstico com o número de bits significativos predeterminado (Etapa S91).
BR0306987A 2002-11-20 2003-09-04 Método de prognóstico de imagem em movimento, método e aparelho de codificação de imagem em movimento e método e aparelho de decodificação de imagem em movimento BR0306987A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002336294 2002-11-20
JP2002340391 2002-11-25
PCT/JP2003/011286 WO2004047453A1 (ja) 2002-11-20 2003-09-04 動画像予測方法、動画像符号化方法及び装置、動画像復号化方法及び装置

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BR0306987A true BR0306987A (pt) 2004-12-14

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BRPI0306987-7A BRPI0306987B1 (pt) 2002-11-20 2003-09-04 “Método de prognóstico de imagem em movimento”
BR0306987A BR0306987A (pt) 2002-11-20 2003-09-04 Método de prognóstico de imagem em movimento, método e aparelho de codificação de imagem em movimento e método e aparelho de decodificação de imagem em movimento

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US (12) US7542510B2 (pt)
EP (2) EP2309758B1 (pt)
JP (5) JP5249253B2 (pt)
KR (2) KR100961312B1 (pt)
CN (2) CN100401781C (pt)
AU (1) AU2003261923C1 (pt)
BR (2) BRPI0306987B1 (pt)
CA (1) CA2473767C (pt)
MX (1) MXPA04006643A (pt)
MY (1) MY139301A (pt)
TW (8) TWI547147B (pt)
WO (1) WO2004047453A1 (pt)

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TW200409549A (en) 2004-06-01
US8885713B2 (en) 2014-11-11
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US20180234696A1 (en) 2018-08-16
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JP5485430B2 (ja) 2014-05-07
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US20140010298A1 (en) 2014-01-09
US9973773B2 (en) 2018-05-15
CN100401781C (zh) 2008-07-09
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US8553770B2 (en) 2013-10-08
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EP1566970A1 (en) 2005-08-24
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US9232220B2 (en) 2016-01-05
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US20160080758A1 (en) 2016-03-17
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US20160360222A1 (en) 2016-12-08
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JP4722232B2 (ja) 2011-07-13
US9723320B2 (en) 2017-08-01
CA2473767C (en) 2012-10-23
US20090110072A1 (en) 2009-04-30
US20160360221A1 (en) 2016-12-08
BRPI0306987B1 (pt) 2018-04-03
JP2014099882A (ja) 2014-05-29
CN101304536A (zh) 2008-11-12
TW201703521A (zh) 2017-01-16
TWI328969B (en) 2010-08-11
US7848411B2 (en) 2010-12-07
US20150036746A1 (en) 2015-02-05
TWI430666B (zh) 2014-03-11
WO2004047453A1 (ja) 2004-06-03
US8204119B2 (en) 2012-06-19
JP5249253B2 (ja) 2013-07-31
KR20050071363A (ko) 2005-07-07
US9451276B2 (en) 2016-09-20
US20170289564A1 (en) 2017-10-05
CN1615655A (zh) 2005-05-11
EP1566970A4 (en) 2008-12-03
US20050047506A1 (en) 2005-03-03
CA2473767A1 (en) 2004-06-03
US20120287996A1 (en) 2012-11-15
JP2011125068A (ja) 2011-06-23

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