BR112014017500A8 - método para codificar e decodificar matriz quantizada e aparelho usando o mesmo - Google Patents

método para codificar e decodificar matriz quantizada e aparelho usando o mesmo

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Publication number
BR112014017500A8
BR112014017500A8 BR112014017500A BR112014017500A BR112014017500A8 BR 112014017500 A8 BR112014017500 A8 BR 112014017500A8 BR 112014017500 A BR112014017500 A BR 112014017500A BR 112014017500 A BR112014017500 A BR 112014017500A BR 112014017500 A8 BR112014017500 A8 BR 112014017500A8
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BR
Brazil
Prior art keywords
encoding
same
matrix
quantized matrix
decoding
Prior art date
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BR112014017500A
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English (en)
Other versions
BR112014017500A2 (pt
BR112014017500B1 (pt
Inventor
Yong Kim Hui
Ho Lee Jin
Soo Choi Jin
Woong Kim Jin
Chang Lim Sung
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Electronics & Telecommunications Res Inst
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Application filed by Electronics & Telecommunications Res Inst filed Critical Electronics & Telecommunications Res Inst
Publication of BR112014017500A2 publication Critical patent/BR112014017500A2/pt
Publication of BR112014017500A8 publication Critical patent/BR112014017500A8/pt
Publication of BR112014017500B1 publication Critical patent/BR112014017500B1/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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/198—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
    • 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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

resumo "método para codificar e decodificar matriz quantizada e aparelho usando o mesmo" a presente invenção refere-se a um método para codificar e decodificar uma matriz quantizada e um aparelho usando o mesmo, o método para codificar uma matriz quantizada de acordo com a presente invenção compreendendo as etapas de: determinar uma matriz de quantização a ser usada para a quantização e quantizar; determinar o método de predição usado para a quantização da matriz de quantização; e codificar informação de matriz de quantização com base no método de predição determinado, onde o método de predição pode ser ou um método de predição entre os coeficientes na matriz de quantização ou uma duplicata da matriz de quantização.
BR112014017500-4A 2012-01-20 2013-01-21 Método de decodificação de vídeo BR112014017500B1 (pt)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
KR10-2012-0006564 2012-01-20
KR20120006564 2012-01-20
KR10-2012-0011672 2012-02-06
KR20120011672 2012-02-06
KR10-2012-0013462 2012-02-09
KR20120013462 2012-02-09
KR20120013996 2012-02-10
KR10-2012-0013996 2012-02-10
KR20120038971 2012-04-16
KR10-2012-0038971 2012-04-16
KR1020130006736A KR101627085B1 (ko) 2012-01-20 2013-01-21 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
PCT/KR2013/000493 WO2013109127A1 (ko) 2012-01-20 2013-01-21 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치

Publications (3)

Publication Number Publication Date
BR112014017500A2 BR112014017500A2 (pt) 2017-06-13
BR112014017500A8 true BR112014017500A8 (pt) 2017-07-04
BR112014017500B1 BR112014017500B1 (pt) 2022-11-16

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BR112014017500-4A BR112014017500B1 (pt) 2012-01-20 2013-01-21 Método de decodificação de vídeo
BR122020017515-0A BR122020017515B1 (pt) 2012-01-20 2013-01-21 Método de decodificação de vídeo
BR122020017523-0A BR122020017523B1 (pt) 2012-01-20 2013-02-21 Aparelho de decodificação de vídeo

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BR122020017515-0A BR122020017515B1 (pt) 2012-01-20 2013-01-21 Método de decodificação de vídeo
BR122020017523-0A BR122020017523B1 (pt) 2012-01-20 2013-02-21 Aparelho de decodificação de vídeo

Country Status (7)

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US (7) US9866839B2 (pt)
EP (2) EP2806640A4 (pt)
JP (11) JP5886446B2 (pt)
KR (10) KR101627085B1 (pt)
CN (7) CN108924570B (pt)
BR (3) BR112014017500B1 (pt)
WO (1) WO2013109127A1 (pt)

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CN109194958B (zh) 2021-08-20
BR112014017500A2 (pt) 2017-06-13
US20200296376A1 (en) 2020-09-17
BR122020017523B1 (pt) 2022-11-22
KR102115318B1 (ko) 2020-05-26
JP6720278B2 (ja) 2020-07-08
EP2806640A4 (en) 2016-04-27
US11736696B2 (en) 2023-08-22
JP2017200216A (ja) 2017-11-02
KR101875206B1 (ko) 2018-08-02
CN104170382A (zh) 2014-11-26
CN108924571A (zh) 2018-11-30
CN109194967A (zh) 2019-01-11
KR20130086012A (ko) 2013-07-30
CN108683916B (zh) 2021-09-07
KR20140092288A (ko) 2014-07-23
CN104170382B (zh) 2018-08-03
JP2020182234A (ja) 2020-11-05
US10306228B2 (en) 2019-05-28
JP2016136732A (ja) 2016-07-28
CN109194967B (zh) 2021-09-07
CN108924571B (zh) 2021-09-07
KR101998390B1 (ko) 2019-07-09
CN108924570B (zh) 2021-08-24
JP6163575B2 (ja) 2017-07-12
CN108683916A (zh) 2018-10-19
BR112014017500B1 (pt) 2022-11-16
US9866839B2 (en) 2018-01-09
KR101527442B1 (ko) 2015-06-11
JP2019054540A (ja) 2019-04-04
US11252411B2 (en) 2022-02-15
JP6736642B2 (ja) 2020-08-05
JP2015504289A (ja) 2015-02-05
US20220124333A1 (en) 2022-04-21
KR20200057693A (ko) 2020-05-26
JP2019054541A (ja) 2019-04-04
JP5886446B2 (ja) 2016-03-16
WO2013109127A1 (ko) 2013-07-25
US11778189B2 (en) 2023-10-03
US10708595B2 (en) 2020-07-07
JP6445623B2 (ja) 2018-12-26
CN109194958A (zh) 2019-01-11
KR101627085B1 (ko) 2016-06-03
JP2016129356A (ja) 2016-07-14
US20180048905A1 (en) 2018-02-15
US20190238850A1 (en) 2019-08-01
US20150334396A1 (en) 2015-11-19
US20230396769A1 (en) 2023-12-07
KR20180078212A (ko) 2018-07-09
EP2806640A1 (en) 2014-11-26
JP2016129355A (ja) 2016-07-14
CN107580230A (zh) 2018-01-12
CN108924570A (zh) 2018-11-30
KR102020838B1 (ko) 2019-09-11
EP3855744A1 (en) 2021-07-28
KR102313195B1 (ko) 2021-10-15
US20220132126A1 (en) 2022-04-28
KR20210124171A (ko) 2021-10-14
KR20180079274A (ko) 2018-07-10
KR20180078213A (ko) 2018-07-09
BR122020017515B1 (pt) 2022-11-22
JP7003191B2 (ja) 2022-01-20
JP2019062551A (ja) 2019-04-18
JP2022061985A (ja) 2022-04-19
KR101971077B1 (ko) 2019-04-22
KR20140092286A (ko) 2014-07-23
JP6738882B2 (ja) 2020-08-12
KR20240027661A (ko) 2024-03-04
JP2023139264A (ja) 2023-10-03
JP6163574B2 (ja) 2017-07-12
CN107580230B (zh) 2021-08-20
KR20140092287A (ko) 2014-07-23
JP6163576B2 (ja) 2017-07-12

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