MX2023000288A - Metodo y aparato de decodificacion de imagen basados en la intraprediccion en el sistema de codificacion de imagen. - Google Patents

Metodo y aparato de decodificacion de imagen basados en la intraprediccion en el sistema de codificacion de imagen.

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Publication number
MX2023000288A
MX2023000288A MX2023000288A MX2023000288A MX2023000288A MX 2023000288 A MX2023000288 A MX 2023000288A MX 2023000288 A MX2023000288 A MX 2023000288A MX 2023000288 A MX2023000288 A MX 2023000288A MX 2023000288 A MX2023000288 A MX 2023000288A
Authority
MX
Mexico
Prior art keywords
intra prediction
decoding method
deriving
coding system
image
Prior art date
Application number
MX2023000288A
Other languages
English (en)
Inventor
Jin Heo
Original Assignee
Lg Electronics Inc
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 Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of MX2023000288A publication Critical patent/MX2023000288A/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
    • H04N19/11—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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/132—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/50—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
    • H04N19/90—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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Abstract

Un método de decodificación de imagen realizado por un aparato de decodificación de conformidad con la presente invención comprende: un paso de derivar un modo de intrapredicción para un bloque actual; un paso de derivar muestras vecinas superiores de una pluralidad de filas para el bloque actual, y muestras vecinas de la izquierda de una pluralidad de columnas; un paso para derivar una fila de muestras de referencia superiores con base en las muestras vecinas superiores; un paso para derivar una columna de muestras de referencia de la izquierda con base en las muestras vecinas de la izquierda; y un paso para generar una muestra de predicción para el bloque actual usando al menos una de las muestras de referencia superiores y las muestras de referencia de la izquierda de acuerdo con el modo de intrapredicción.
MX2023000288A 2016-10-11 2019-04-10 Metodo y aparato de decodificacion de imagen basados en la intraprediccion en el sistema de codificacion de imagen. MX2023000288A (es)

Applications Claiming Priority (1)

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US201662406410P 2016-10-11 2016-10-11

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MX2023000288A true MX2023000288A (es) 2023-02-09

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MX2019004151A MX2019004151A (es) 2016-10-11 2017-08-30 Metodo y aparato de decodificación de imagen basados en la intrapredicción en sistema de codificación de imagen.
MX2023000288A MX2023000288A (es) 2016-10-11 2019-04-10 Metodo y aparato de decodificacion de imagen basados en la intraprediccion en el sistema de codificacion de imagen.

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Country Link
US (5) US10805636B2 (es)
EP (1) EP3512201A4 (es)
JP (4) JP6913749B2 (es)
KR (4) KR102569476B1 (es)
CN (1) CN109891892A (es)
AU (4) AU2017342627B2 (es)
BR (3) BR112019007423B1 (es)
CA (2) CA3040236C (es)
MX (2) MX2019004151A (es)
RU (4) RU2721160C1 (es)
WO (1) WO2018070661A1 (es)

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RU2732820C2 (ru) 2020-09-22
CA3040236C (en) 2023-01-24
RU2764028C1 (ru) 2022-01-12
CA3145758A1 (en) 2018-04-19
MX2019004151A (es) 2019-08-05
RU2020115171A (ru) 2020-05-27
US20190320200A1 (en) 2019-10-17
US20240048760A1 (en) 2024-02-08
RU2747381C1 (ru) 2021-05-04
JP2021122146A (ja) 2021-08-26
KR20230125341A (ko) 2023-08-29
BR112019007423A2 (pt) 2019-07-02
US11838546B2 (en) 2023-12-05
US20200221124A1 (en) 2020-07-09
JP2023096116A (ja) 2023-07-06
RU2020115171A3 (es) 2020-07-13
AU2022252821A8 (en) 2023-11-23
EP3512201A4 (en) 2019-08-14
AU2017342627B2 (en) 2020-10-15
WO2018070661A1 (ko) 2018-04-19
BR122021021179B1 (pt) 2022-06-14
AU2022252821A1 (en) 2022-11-10
AU2021200247B2 (en) 2022-07-21
BR112019007423B1 (pt) 2022-06-14
CA3040236A1 (en) 2018-04-19
RU2721160C1 (ru) 2020-05-18
KR20220047682A (ko) 2022-04-18
AU2022252821B2 (en) 2023-12-07
US10805636B2 (en) 2020-10-13
AU2021200247A1 (en) 2021-03-18
JP7074913B2 (ja) 2022-05-24
EP3512201A1 (en) 2019-07-17
KR102385396B1 (ko) 2022-04-11
AU2017342627A1 (en) 2019-05-02
KR102447511B1 (ko) 2022-09-26
US10924762B2 (en) 2021-02-16
JP2019531663A (ja) 2019-10-31
KR20190042094A (ko) 2019-04-23
AU2024201491A1 (en) 2024-03-28
CN109891892A (zh) 2019-06-14
JP7284318B2 (ja) 2023-05-30
KR20220131365A (ko) 2022-09-27
JP6913749B2 (ja) 2021-08-04
US20210136410A1 (en) 2021-05-06
BR122021021189B1 (pt) 2022-06-14
US20220417556A1 (en) 2022-12-29
JP2022097690A (ja) 2022-06-30
KR102569476B1 (ko) 2023-08-24
US11463728B2 (en) 2022-10-04

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