MX2021008391A - Codificacion de video mediante el uso de un modelo lineal de componente cruzado. - Google Patents

Codificacion de video mediante el uso de un modelo lineal de componente cruzado.

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Publication number
MX2021008391A
MX2021008391A MX2021008391A MX2021008391A MX2021008391A MX 2021008391 A MX2021008391 A MX 2021008391A MX 2021008391 A MX2021008391 A MX 2021008391A MX 2021008391 A MX2021008391 A MX 2021008391A MX 2021008391 A MX2021008391 A MX 2021008391A
Authority
MX
Mexico
Prior art keywords
video coding
cross
parameter
linear model
component linear
Prior art date
Application number
MX2021008391A
Other languages
English (en)
Inventor
Xianglin Wang
Xiaoyu Xiu
Yi- Wen Chen
Original Assignee
Beijing Dajia Internet Information Tech Co Ltd
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 Beijing Dajia Internet Information Tech Co Ltd filed Critical Beijing Dajia Internet Information Tech Co Ltd
Publication of MX2021008391A publication Critical patent/MX2021008391A/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
    • H04N19/103—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/169—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
    • H04N19/186—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
    • H04N19/50—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
    • H04N19/50—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
    • 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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/102—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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

Se proporciona un método y un dispositivo informático para codificación de video; el método puede incluir derivar un parámetro a y un parámetro ß para un modo CCLM mediante el uso de un número predeterminado de muestras de brillo y muestras de croma reconstruidas colindantes en una CU; y generar un predictor de croma final para las muestras de croma de la CU mediante el uso del parámetro a y del parámetro ß.
MX2021008391A 2019-01-09 2020-01-08 Codificacion de video mediante el uso de un modelo lineal de componente cruzado. MX2021008391A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962790459P 2019-01-09 2019-01-09
PCT/US2020/012814 WO2020146553A1 (en) 2019-01-09 2020-01-08 Video coding using cross-component linear model

Publications (1)

Publication Number Publication Date
MX2021008391A true MX2021008391A (es) 2021-08-11

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MX2021008391A MX2021008391A (es) 2019-01-09 2020-01-08 Codificacion de video mediante el uso de un modelo lineal de componente cruzado.

Country Status (7)

Country Link
US (5) US11405609B2 (es)
EP (1) EP3895421A4 (es)
JP (4) JP7119236B2 (es)
KR (3) KR102487528B1 (es)
CN (2) CN114125439A (es)
MX (1) MX2021008391A (es)
WO (1) WO2020146553A1 (es)

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GB2571313B (en) * 2018-02-23 2022-09-21 Canon Kk New sample sets and new down-sampling schemes for linear component sample prediction
CN116546216A (zh) * 2019-01-02 2023-08-04 Oppo广东移动通信有限公司 解码预测方法、装置及计算机存储介质
CN116389756A (zh) * 2020-07-28 2023-07-04 北京达佳互联信息技术有限公司 视频编码方法、电子装置和存储介质
WO2023128704A1 (ko) * 2021-12-30 2023-07-06 엘지전자 주식회사 Cclm(cross-component linear model) 인트라 예측에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체
KR20230137250A (ko) * 2022-03-21 2023-10-04 주식회사 케이티 영상 부호화/복호화 방법 및 장치
WO2024080828A1 (ko) * 2022-10-13 2024-04-18 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체

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Also Published As

Publication number Publication date
US20210337188A1 (en) 2021-10-28
CN113475064A (zh) 2021-10-01
JP7311689B2 (ja) 2023-07-19
JP2023126950A (ja) 2023-09-12
US20220256142A1 (en) 2022-08-11
JP2022153609A (ja) 2022-10-12
JP2023126949A (ja) 2023-09-12
EP3895421A4 (en) 2022-06-15
KR20220104076A (ko) 2022-07-25
US11924411B2 (en) 2024-03-05
US20220329784A1 (en) 2022-10-13
US20240137495A1 (en) 2024-04-25
US11843770B2 (en) 2023-12-12
KR20230010065A (ko) 2023-01-17
EP3895421A1 (en) 2021-10-20
US11405609B2 (en) 2022-08-02
KR102632259B1 (ko) 2024-02-01
KR102487528B1 (ko) 2023-01-10
CN114125439A (zh) 2022-03-01
JP7119236B2 (ja) 2022-08-16
WO2020146553A1 (en) 2020-07-16
JP2022516808A (ja) 2022-03-02
US20240137489A1 (en) 2024-04-25
KR20210094126A (ko) 2021-07-28

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