MX2021004090A - Metodo y aparato de prediccion de componente de imagen de video, y medio de almacenamiento por computadora. - Google Patents

Metodo y aparato de prediccion de componente de imagen de video, y medio de almacenamiento por computadora.

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Publication number
MX2021004090A
MX2021004090A MX2021004090A MX2021004090A MX2021004090A MX 2021004090 A MX2021004090 A MX 2021004090A MX 2021004090 A MX2021004090 A MX 2021004090A MX 2021004090 A MX2021004090 A MX 2021004090A MX 2021004090 A MX2021004090 A MX 2021004090A
Authority
MX
Mexico
Prior art keywords
image component
image
value
component
values
Prior art date
Application number
MX2021004090A
Other languages
English (en)
Inventor
Junyan Huo
Shuai Wan
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp 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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of MX2021004090A publication Critical patent/MX2021004090A/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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • 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
    • H04N19/157—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
    • H04N19/169—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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • 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
    • H04N19/169—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)

Abstract

También se proporciona un método y aparato de predicción de componente de imagen de video, y un medio de almacenamiento por computadora; el método puede comprender: adquirir un conjunto de valores de referencia de un primer componente de imagen de un bloque actual; determinar, a partir del conjunto de valores de referencia del primer componente de imagen, múltiples primeros valores de referencia de componente de imagen; llevar a cabo respectivamente primer procesamiento de filtración en un valor de muestra de un punto de pixel que corresponde a cada uno de los múltiples primeros valores de referencia de componente de imagen para obtener múltiples primeros valores de nuestra de referencia de imagen filtrados; determinar valores de referencia, que corresponden a los múltiples valores de muestra de referencia de imagen filtrados, de un componente de imagen que se va a predecir; de conformidad con los múltiples primeros valores de muestra de referencia de imagen filtrados y los valores de referencia del componente de imagen que se va a predecir, determinar un parámetro de un modelo lineal de componente; de conformidad con el modelo lineal de componente, llevar a cabo procesamiento de asignación en un valor de reconstrucción del primer componente de imagen del bloque actual para obtener un valor de asignación; y de conformidad con el valor de asignación, determinar un valor de predicción del componente de imagen que se va a predecir del bloque actual.
MX2021004090A 2018-10-12 2019-10-11 Metodo y aparato de prediccion de componente de imagen de video, y medio de almacenamiento por computadora. MX2021004090A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862744747P 2018-10-12 2018-10-12
PCT/CN2019/110633 WO2020073990A1 (zh) 2018-10-12 2019-10-11 视频图像分量预测方法及装置、计算机存储介质

Publications (1)

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MX2021004090A true MX2021004090A (es) 2021-06-08

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Country Link
US (3) US11388397B2 (es)
EP (1) EP3843399B1 (es)
JP (1) JP2022503990A (es)
KR (1) KR20210070368A (es)
CN (2) CN112335245A (es)
AU (1) AU2019357929A1 (es)
BR (1) BR112021006138A2 (es)
CA (1) CA3114816C (es)
IL (1) IL281832A (es)
MX (1) MX2021004090A (es)
PH (1) PH12021550708A1 (es)
SG (1) SG11202103312YA (es)
WO (1) WO2020073990A1 (es)
ZA (1) ZA202102207B (es)

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WO2023197190A1 (zh) * 2022-04-12 2023-10-19 Oppo广东移动通信有限公司 编解码方法、装置、编码设备、解码设备以及存储介质

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Publication number Publication date
EP3843399C0 (en) 2023-09-06
PH12021550708A1 (en) 2021-11-03
CN113068030B (zh) 2023-01-03
US20220239901A1 (en) 2022-07-28
IL281832A (en) 2021-05-31
KR20210070368A (ko) 2021-06-14
CA3114816C (en) 2023-08-22
SG11202103312YA (en) 2021-04-29
CN112335245A (zh) 2021-02-05
US20240098255A1 (en) 2024-03-21
WO2020073990A1 (zh) 2020-04-16
AU2019357929A1 (en) 2021-04-29
CN113068030A (zh) 2021-07-02
US11876958B2 (en) 2024-01-16
BR112021006138A2 (pt) 2021-06-29
ZA202102207B (en) 2022-07-27
US20210218958A1 (en) 2021-07-15
EP3843399A4 (en) 2021-10-20
EP3843399A1 (en) 2021-06-30
EP3843399B1 (en) 2023-09-06
CA3114816A1 (en) 2020-04-16
US11388397B2 (en) 2022-07-12
JP2022503990A (ja) 2022-01-12

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