MX2021008450A - Metodo y dispositivo de codificacion de imagen para realizar intra prediccion basada la linea de multi-referencia (mlr). - Google Patents

Metodo y dispositivo de codificacion de imagen para realizar intra prediccion basada la linea de multi-referencia (mlr).

Info

Publication number
MX2021008450A
MX2021008450A MX2021008450A MX2021008450A MX2021008450A MX 2021008450 A MX2021008450 A MX 2021008450A MX 2021008450 A MX2021008450 A MX 2021008450A MX 2021008450 A MX2021008450 A MX 2021008450A MX 2021008450 A MX2021008450 A MX 2021008450A
Authority
MX
Mexico
Prior art keywords
intra prediction
current block
mpm list
basis
mode
Prior art date
Application number
MX2021008450A
Other languages
English (en)
Inventor
Jin Heo
Sunmi Yoo
Jangwon Choi
Jungah Choi
Ling Li
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 MX2021008450A publication Critical patent/MX2021008450A/es

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Classifications

    • 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
    • H04N19/11—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
    • H04N19/132—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
    • 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
    • H04N19/50—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks

Landscapes

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

Abstract

La presente invención se refiere a un método de decodificación de imagen, de conformidad con el presente documento, que comprende los pasos de: configurar una lista de MPM que incluye modos de intra predicción candidatos para un bloque actual; derivar un modo de intra predicción del bloque actual a partir de la lista de MPM con base en la información del índice de mpm que indica un modo de intra predicción, entre los modos de intra predicción candidatos incluidos en la lista de MPM, para el bloque actual; generar muestras de predicción para el bloque actual con base en el modo de intra predicción; y generar una imagen reconstruida para el bloque actual con base en las muestras de predicción, en donde el paso para configurar la lista de MPM comprende, con base en el caso donde el valor de información del índice de la línea de referencia, que representa una línea de referencia usada para la intra predicción del bloque actual, no es cero, derivar un modo DC como un modo entre los modos de intra predicción candidatos, y que incluyen los mismos en la lista de MPM.
MX2021008450A 2019-01-13 2020-01-13 Metodo y dispositivo de codificacion de imagen para realizar intra prediccion basada la linea de multi-referencia (mlr). MX2021008450A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962791877P 2019-01-13 2019-01-13
PCT/KR2020/000570 WO2020145775A1 (ko) 2019-01-13 2020-01-13 Mrl 기반 인트라 예측을 수행하는 영상 코딩 방법 및 장치

Publications (1)

Publication Number Publication Date
MX2021008450A true MX2021008450A (es) 2021-09-21

Family

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MX2021008450A MX2021008450A (es) 2019-01-13 2020-01-13 Metodo y dispositivo de codificacion de imagen para realizar intra prediccion basada la linea de multi-referencia (mlr).

Country Status (9)

Country Link
US (2) US11716461B2 (es)
EP (1) EP3905674A4 (es)
JP (2) JP7354260B2 (es)
KR (1) KR20210093349A (es)
CN (5) CN117201771A (es)
BR (1) BR112021013735A2 (es)
MX (1) MX2021008450A (es)
WO (1) WO2020145775A1 (es)
ZA (1) ZA202105106B (es)

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CN117201771A (zh) * 2019-01-13 2023-12-08 Lg 电子株式会社 用于执行基于mrl的帧内预测的图像编译方法和装置
US11405638B2 (en) * 2019-03-17 2022-08-02 Tencent America LLC Method and apparatus for video coding by determining intra prediction direction based on coded information of neighboring blocks
CN113597761A (zh) * 2019-03-21 2021-11-02 华为技术有限公司 帧内预测方法和装置
WO2020242182A1 (ko) * 2019-05-27 2020-12-03 에스케이텔레콤 주식회사 인트라 예측 모드를 유도하는 방법 및 장치
US12015765B2 (en) * 2021-04-26 2024-06-18 Tencent America LLC Template matching based intra prediction
US20230217016A1 (en) * 2022-01-05 2023-07-06 Comcast Cable Communications, Llc Video Compression Using Boundary Based Template Refinement
WO2023224289A1 (ko) * 2022-05-16 2023-11-23 현대자동차주식회사 가상의 참조라인을 사용하는 비디오 코딩을 위한 방법 및 장치

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KR20140121022A (ko) * 2013-04-04 2014-10-15 주식회사 팬택 복수의 레이어를 지원하는 비디오의 부호화 및 복호화 방법 및 이를 이용하는 장치
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Also Published As

Publication number Publication date
US20230328231A1 (en) 2023-10-12
CN113424529A (zh) 2021-09-21
KR20210093349A (ko) 2021-07-27
JP2023164632A (ja) 2023-11-10
CN117201774A (zh) 2023-12-08
JP7354260B2 (ja) 2023-10-02
CN117201773A (zh) 2023-12-08
CN113424529B (zh) 2023-10-13
WO2020145775A1 (ko) 2020-07-16
JP2022517028A (ja) 2022-03-03
EP3905674A4 (en) 2022-06-22
CN117201771A (zh) 2023-12-08
EP3905674A1 (en) 2021-11-03
BR112021013735A2 (pt) 2021-09-21
US20210344907A1 (en) 2021-11-04
ZA202105106B (en) 2023-01-25
US11716461B2 (en) 2023-08-01
CN117201772A (zh) 2023-12-08

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