MX2021002093A - Metodo y aparato de decodificacion de videos y metodo y aparato de codificacion de video. - Google Patents

Metodo y aparato de decodificacion de videos y metodo y aparato de codificacion de video.

Info

Publication number
MX2021002093A
MX2021002093A MX2021002093A MX2021002093A MX2021002093A MX 2021002093 A MX2021002093 A MX 2021002093A MX 2021002093 A MX2021002093 A MX 2021002093A MX 2021002093 A MX2021002093 A MX 2021002093A MX 2021002093 A MX2021002093 A MX 2021002093A
Authority
MX
Mexico
Prior art keywords
chroma
intra
prediction mode
block
video
Prior art date
Application number
MX2021002093A
Other languages
English (en)
Inventor
Anish Tamse
Seungsoo Jeong
Minwoo Park
Kiho Choi
Minsoo Park
Gahyun Ryu
Narae Choi
Woongil Choi
Yinji Piao
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of MX2021002093A publication Critical patent/MX2021002093A/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
    • H04N19/132—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
    • H04N19/102—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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
    • H04N19/90—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

Landscapes

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

Abstract

Se proporcionan un método y aparato, que, durante los procesos de codificación y decodificación de videos, obtienen información del modo de intra-predicción de croma acerca de un bloque de croma actual, cuando la información de modo de intra-predicción de croma indica un modo directo (DM), determine un bloque de luma que incluye una muestra de luma que corresponde a una muestra de croma en una ubicación inferior y derecha con respecto a un centro de bloque de croma actual, determinar un modo de intra-predicción de croma del bloque de croma actual basado en un modo de intra-predicción del bloque de luma determinado, y llevar a cabo la intra-predicción en el bloque de croma actual, basado en el modo de intra-predicción de croma determinado.
MX2021002093A 2018-08-24 2019-08-23 Metodo y aparato de decodificacion de videos y metodo y aparato de codificacion de video. MX2021002093A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862722592P 2018-08-24 2018-08-24
PCT/KR2019/010808 WO2020040619A1 (ko) 2018-08-24 2019-08-23 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치

Publications (1)

Publication Number Publication Date
MX2021002093A true MX2021002093A (es) 2021-04-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021002093A MX2021002093A (es) 2018-08-24 2019-08-23 Metodo y aparato de decodificacion de videos y metodo y aparato de codificacion de video.

Country Status (8)

Country Link
US (5) US11509900B2 (es)
EP (1) EP3843391A4 (es)
KR (2) KR102330704B1 (es)
CN (1) CN112655206A (es)
MX (1) MX2021002093A (es)
PH (1) PH12021550276A1 (es)
SG (1) SG11202101229VA (es)
WO (1) WO2020040619A1 (es)

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Publication number Publication date
US11968370B2 (en) 2024-04-23
US11509900B2 (en) 2022-11-22
SG11202101229VA (en) 2021-03-30
US11979576B2 (en) 2024-05-07
KR102330704B1 (ko) 2021-12-01
WO2020040619A1 (ko) 2020-02-27
EP3843391A1 (en) 2021-06-30
EP3843391A4 (en) 2022-06-01
KR20210142779A (ko) 2021-11-25
US20230047368A1 (en) 2023-02-16
US20230047715A1 (en) 2023-02-16
US20230072296A1 (en) 2023-03-09
US20210274184A1 (en) 2021-09-02
US11962780B2 (en) 2024-04-16
PH12021550276A1 (en) 2021-10-11
CN112655206A (zh) 2021-04-13
KR20210021590A (ko) 2021-02-26
US20230054879A1 (en) 2023-02-23

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