MX2022000234A - Metodo y dispositivo de codificacion/decodificacion de video para derivar el indice de ponderacion para prediccion bidireccional de candidato de fusion, y metodo para transmitir flujo de bits. - Google Patents

Metodo y dispositivo de codificacion/decodificacion de video para derivar el indice de ponderacion para prediccion bidireccional de candidato de fusion, y metodo para transmitir flujo de bits.

Info

Publication number
MX2022000234A
MX2022000234A MX2022000234A MX2022000234A MX2022000234A MX 2022000234 A MX2022000234 A MX 2022000234A MX 2022000234 A MX2022000234 A MX 2022000234A MX 2022000234 A MX2022000234 A MX 2022000234A MX 2022000234 A MX2022000234 A MX 2022000234A
Authority
MX
Mexico
Prior art keywords
merge candidate
affine merge
current block
deriving
decoding method
Prior art date
Application number
MX2022000234A
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 MX2022000234A publication Critical patent/MX2022000234A/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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/109—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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/503—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
    • H04N19/573—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
    • H04N19/70—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 puede comprender construir una lista de candidato de fusión afín para un bloque actual, basado en un modo de inter predicción del bloque actual siendo un modo de fusión afín, seleccionar un candidato de fusión afín a partir de la lista del candidato de fusión afín, derivar información de movimiento del bloque actual basada en información de movimiento del candidato de fusión afín seleccionado, generar un bloque de predicción del bloque actual basado en la información de movimiento del bloque actual, y reconstruir el bloque actual basado en el bloque de predicción del bloque actual. La construcción de la lista del candidato de fusión afín puede comprender derivar un candidato de fusión afín construido, y la derivación del candidato de fusión afín construido puede comprender derivar un índice de ponderación para bi-predicción del candidato de fusión afín construido.
MX2022000234A 2019-07-05 2020-07-06 Metodo y dispositivo de codificacion/decodificacion de video para derivar el indice de ponderacion para prediccion bidireccional de candidato de fusion, y metodo para transmitir flujo de bits. MX2022000234A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962871067P 2019-07-05 2019-07-05
US201962884658P 2019-08-08 2019-08-08
PCT/KR2020/008798 WO2021006579A1 (ko) 2019-07-05 2020-07-06 머지 후보의 양방향 예측을 위한 가중치 인덱스를 유도하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
MX2022000234A true MX2022000234A (es) 2022-04-07

Family

ID=74114303

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022000234A MX2022000234A (es) 2019-07-05 2020-07-06 Metodo y dispositivo de codificacion/decodificacion de video para derivar el indice de ponderacion para prediccion bidireccional de candidato de fusion, y metodo para transmitir flujo de bits.

Country Status (7)

Country Link
US (1) US20220182606A1 (es)
EP (1) EP3996372A4 (es)
JP (3) JP7302089B2 (es)
KR (1) KR20220017427A (es)
CN (4) CN118890468A (es)
MX (1) MX2022000234A (es)
WO (1) WO2021006579A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3108468A1 (en) * 2018-08-06 2020-02-13 Electronics And Telecommunications Research Institute Image encoding/decoding method and device, and recording medium storing bitstream
GB2611323A (en) * 2021-09-29 2023-04-05 Canon Kk Video coding and decoding
US20240007615A1 (en) * 2022-07-04 2024-01-04 Alibaba (China) Co., Ltd. Deriving bi-prediction with coding unit-level weight indices for merge candidates

Family Cites Families (10)

* 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
CN107534767A (zh) * 2015-04-27 2018-01-02 Lg电子株式会社 用于处理视频信号的方法及其装置
US20190028731A1 (en) * 2016-01-07 2019-01-24 Mediatek Inc. Method and apparatus for affine inter 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
KR102480191B1 (ko) * 2016-05-13 2022-12-21 브이아이디 스케일, 인크. 비디오 코딩을 위한 일반화된 다중-가설 예측 시스템 및 방법
US10448010B2 (en) * 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
WO2018226066A1 (ko) * 2017-06-09 2018-12-13 엘지전자 주식회사 영상 코딩 시스템에서 어파인 예측에 따른 영상 디코딩 방법 및 장치
GB2578150C (en) * 2018-10-18 2022-05-18 Canon Kk Video coding and decoding
KR102662616B1 (ko) * 2019-05-21 2024-04-30 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 어파인 모드를 위한 적응적 모션 벡터 차이 해상도

Also Published As

Publication number Publication date
KR20220017427A (ko) 2022-02-11
JP2022539790A (ja) 2022-09-13
JP2023120338A (ja) 2023-08-29
CN118890467A (zh) 2024-11-01
CN118890469A (zh) 2024-11-01
CN118890468A (zh) 2024-11-01
JP7302089B2 (ja) 2023-07-03
WO2021006579A1 (ko) 2021-01-14
US20220182606A1 (en) 2022-06-09
JP2024147815A (ja) 2024-10-16
JP7531665B2 (ja) 2024-08-09
EP3996372A4 (en) 2023-06-28
CN114342376A (zh) 2022-04-12
EP3996372A1 (en) 2022-05-11
CN114342376B (zh) 2024-10-01

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