MX2022000155A - Metodo de codificacion/decodificacion de imagen y dispositivo para derivar el indice de peso de la prediccion bidireccional, y metodo para transmitir un flujo de bits. - Google Patents

Metodo de codificacion/decodificacion de imagen y dispositivo para derivar el indice de peso de la prediccion bidireccional, y metodo para transmitir un flujo de bits.

Info

Publication number
MX2022000155A
MX2022000155A MX2022000155A MX2022000155A MX2022000155A MX 2022000155 A MX2022000155 A MX 2022000155A MX 2022000155 A MX2022000155 A MX 2022000155A MX 2022000155 A MX2022000155 A MX 2022000155A MX 2022000155 A MX2022000155 A MX 2022000155A
Authority
MX
Mexico
Prior art keywords
current block
decoding method
image encoding
basis
weight index
Prior art date
Application number
MX2022000155A
Other languages
English (en)
Inventor
Jung Hak Nam
Nae Ri Park
Hyeong Moon Jang
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 MX2022000155A publication Critical patent/MX2022000155A/es

Links

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
    • H04N19/50—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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/169—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
    • H04N19/503—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
    • H04N19/503—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
    • H04N19/527—Global motion vector estimation
    • 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

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 y aparato de codificación/decodificación de imagen. Un método de decodificación de imagen de conformidad con la presente descripción es realizado por un aparato de decodificación de imagen. El método de decodificación de imagen comprende reconstruir un modo de inter predicción de un bloque actual, derivar un candidato de fusión afín basado en bloques vecinos del bloque actual, basado en el modo de inter predicción del bloque actual siendo un modo de fusión afín, derivar información de movimiento del bloque actual basado en información de movimiento del candidato de fusión afín, generar un bloque de predicción del bloque actual realizando inter predicción en el bloque actual basado en la información de movimiento del bloque actual, y reconstruir el bloque actual basado en el bloque de predicción. La información de movimiento puede comprender un índice de peso para bipredicción.
MX2022000155A 2019-07-05 2020-07-06 Metodo de codificacion/decodificacion de imagen y dispositivo para derivar el indice de peso de la prediccion bidireccional, y metodo para transmitir un flujo de bits. MX2022000155A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962871065P 2019-07-05 2019-07-05
US201962884662P 2019-08-08 2019-08-08
PCT/KR2020/008792 WO2021006575A1 (ko) 2019-07-05 2020-07-06 양방향 예측의 가중치 인덱스를 유도하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
MX2022000155A true MX2022000155A (es) 2022-02-21

Family

ID=74114285

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022000155A MX2022000155A (es) 2019-07-05 2020-07-06 Metodo de codificacion/decodificacion de imagen y dispositivo para derivar el indice de peso de la prediccion bidireccional, y metodo para transmitir un flujo de bits.

Country Status (4)

Country Link
KR (1) KR102634643B1 (es)
CN (1) CN114342375A (es)
MX (1) MX2022000155A (es)
WO (1) WO2021006575A1 (es)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101408698B1 (ko) * 2007-07-31 2014-06-18 삼성전자주식회사 가중치 예측을 이용한 영상 부호화, 복호화 방법 및 장치
US9924188B2 (en) * 2011-01-07 2018-03-20 Lg Electronics Inc. Method for encoding and decoding image information to determine reference index in skip mode or merge mode and device using same
WO2017039117A1 (ko) * 2015-08-30 2017-03-09 엘지전자(주) 영상의 부호화/복호화 방법 및 이를 위한 장치
GB2561507B (en) * 2016-01-07 2021-12-22 Mediatek Inc Method and apparatus for affine merge mode prediction for video coding system
WO2017147765A1 (en) * 2016-03-01 2017-09-08 Mediatek Inc. Methods for affine motion compensation
KR102431287B1 (ko) * 2016-04-29 2022-08-10 세종대학교산학협력단 영상 신호 부호화/복호화 방법 및 장치
WO2017197146A1 (en) * 2016-05-13 2017-11-16 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
WO2018226066A1 (ko) * 2017-06-09 2018-12-13 엘지전자 주식회사 영상 코딩 시스템에서 어파인 예측에 따른 영상 디코딩 방법 및 장치

Also Published As

Publication number Publication date
KR102634643B1 (ko) 2024-02-06
WO2021006575A1 (ko) 2021-01-14
KR20220003123A (ko) 2022-01-07
CN114342375A (zh) 2022-04-12

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