MX2021010615A - Metodos de codificacion y decodificacion, codificador y decodificador, y medio de almacenamiento. - Google Patents

Metodos de codificacion y decodificacion, codificador y decodificador, y medio de almacenamiento.

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Publication number
MX2021010615A
MX2021010615A MX2021010615A MX2021010615A MX2021010615A MX 2021010615 A MX2021010615 A MX 2021010615A MX 2021010615 A MX2021010615 A MX 2021010615A MX 2021010615 A MX2021010615 A MX 2021010615A MX 2021010615 A MX2021010615 A MX 2021010615A
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MX
Mexico
Prior art keywords
decoding
transform kernel
encoding
index
current block
Prior art date
Application number
MX2021010615A
Other languages
English (en)
Inventor
Li Wang
Fangdong Chen
Xiaoqiang Cao
Original Assignee
Hangzhou Hikvision Digital Tec
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Publication date
Application filed by Hangzhou Hikvision Digital Tec filed Critical Hangzhou Hikvision Digital Tec
Publication of MX2021010615A publication Critical patent/MX2021010615A/es

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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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/169—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]

Landscapes

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

Abstract

Se proporciona un método de decodificación, que incluye: adquirir datos codificados de un bloque actual; determinar que una altura y un ancho del bloque actual sean menores o iguales a un umbral preestablecido y que el bloque actual sea un bloque de luma; adquirir un índice de par de transformación correspondiente al bloque actual a partir de los datos codificados, y determinar el par de transformación correspondiente al bloque actual con base en el índice de par de transformación, en donde el par de transformación comprende un núcleo de transformación horizontal y un núcleo de transformación vertical.
MX2021010615A 2019-03-09 2020-03-09 Metodos de codificacion y decodificacion, codificador y decodificador, y medio de almacenamiento. MX2021010615A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910177580.4A CN111669580B (zh) 2019-03-09 2019-03-09 进行编码和解码的方法、解码端、编码端和系统
PCT/CN2020/078486 WO2020182102A1 (zh) 2019-03-09 2020-03-09 进行编码和解码的方法、解码端和编码端

Publications (1)

Publication Number Publication Date
MX2021010615A true MX2021010615A (es) 2021-09-28

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Country Link
US (1) US20220070458A1 (es)
EP (1) EP3913917B1 (es)
JP (2) JP7286783B2 (es)
KR (1) KR20210113389A (es)
CN (22) CN113596447B (es)
CA (2) CA3221507A1 (es)
MX (1) MX2021010615A (es)
SG (1) SG11202109129UA (es)
WO (2) WO2020182104A1 (es)

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JP7286783B2 (ja) 2023-06-05
CN113747157A (zh) 2021-12-03
CN111669580A (zh) 2020-09-15
CN113365052B (zh) 2022-03-25
EP3913917A1 (en) 2021-11-24
KR20210113389A (ko) 2021-09-15
CN113365051B (zh) 2022-04-08
CN113365051A (zh) 2021-09-07
US20220070458A1 (en) 2022-03-03
CN113365049B (zh) 2023-02-28
CN113365057A (zh) 2021-09-07
CN110708550B (zh) 2020-11-27
EP3913917B1 (en) 2024-05-01
CN113905231A (zh) 2022-01-07
CN113365054A (zh) 2021-09-07
EP3913917A4 (en) 2022-05-11
CN113596447B (zh) 2022-09-09
CA3221507A1 (en) 2020-09-17
CN113365058B (zh) 2023-02-28
CN113365048A (zh) 2021-09-07
CN113365049A (zh) 2021-09-07
CN113365052A (zh) 2021-09-07
CN113365053B (zh) 2023-02-28
CN113596447A (zh) 2021-11-02
CN113747158A (zh) 2021-12-03
CN113365050A (zh) 2021-09-07
CN113365055B (zh) 2023-03-14
CN111669580B (zh) 2023-02-28
WO2020182104A1 (zh) 2020-09-17
CN113365056A (zh) 2021-09-07
CN113365056B (zh) 2022-04-15
CN113365050B (zh) 2023-02-28
CN113747156A (zh) 2021-12-03
CN113365053A (zh) 2021-09-07
CN113365057B (zh) 2023-02-28
JP2023107803A (ja) 2023-08-03
CN113365048B (zh) 2022-08-05
CA3131035A1 (en) 2020-09-17
SG11202109129UA (en) 2021-09-29
CN113365055A (zh) 2021-09-07
CN110708550A (zh) 2020-01-17
CN113365054B (zh) 2022-08-05
CN113596445B (zh) 2022-09-09
CA3131035C (en) 2024-01-16
CN113596448A (zh) 2021-11-02
JP2022521933A (ja) 2022-04-13
CN113365058A (zh) 2021-09-07
CN113905232A (zh) 2022-01-07
WO2020182102A1 (zh) 2020-09-17
CN113596445A (zh) 2021-11-02
CN113596446A (zh) 2021-11-02

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