BR112022016952A2 - Método e aparelho de codificação/decodificação de imagem baseados em interpredição e meio de gravação que armazena fluxo de bits - Google Patents

Método e aparelho de codificação/decodificação de imagem baseados em interpredição e meio de gravação que armazena fluxo de bits

Info

Publication number
BR112022016952A2
BR112022016952A2 BR112022016952A BR112022016952A BR112022016952A2 BR 112022016952 A2 BR112022016952 A2 BR 112022016952A2 BR 112022016952 A BR112022016952 A BR 112022016952A BR 112022016952 A BR112022016952 A BR 112022016952A BR 112022016952 A2 BR112022016952 A2 BR 112022016952A2
Authority
BR
Brazil
Prior art keywords
interprecition
recording media
image coding
decoding based
current block
Prior art date
Application number
BR112022016952A
Other languages
English (en)
Inventor
Hendry Hendry
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 BR112022016952A2 publication Critical patent/BR112022016952A2/pt

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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/169—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

MÉTODO E APARELHO DE CODIFICAÇÃO/DECODIFICAÇÃO DE IMAGEM BASEADOS EM INTERPREDIÇÃO E MEIO DE GRAVAÇÃO QUE ARMAZENA FLUXO DE BITS. Um método e um aparelho de decodificação de imagem, de acordo com a presente revelação, podem determinar um modo de interpredição de um bloco atual, derivar informações de movimento do bloco atual de acordo com o modo de interpredição determinado e obter um bloco de predição do bloco atual, com base nas informações de movimento derivadas.
BR112022016952A 2020-02-25 2021-02-25 Método e aparelho de codificação/decodificação de imagem baseados em interpredição e meio de gravação que armazena fluxo de bits BR112022016952A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062981518P 2020-02-25 2020-02-25
PCT/KR2021/002347 WO2021172881A1 (ko) 2020-02-25 2021-02-25 인터 예측에 기반한 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Publications (1)

Publication Number Publication Date
BR112022016952A2 true BR112022016952A2 (pt) 2022-11-22

Family

ID=77490260

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022016952A BR112022016952A2 (pt) 2020-02-25 2021-02-25 Método e aparelho de codificação/decodificação de imagem baseados em interpredição e meio de gravação que armazena fluxo de bits

Country Status (8)

Country Link
US (1) US20230082043A1 (pt)
EP (1) EP4113995A4 (pt)
JP (1) JP2023515145A (pt)
KR (1) KR20220127938A (pt)
CN (1) CN115428448A (pt)
BR (1) BR112022016952A2 (pt)
MX (1) MX2022010359A (pt)
WO (1) WO2021172881A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023132615A1 (ko) * 2022-01-04 2023-07-13 현대자동차주식회사 쌍 머지 후보들을 생성하여 머지 후보 리스트를 구성하는 비디오 부호화/복호화 방법 및 장치
WO2023140635A1 (ko) * 2022-01-21 2023-07-27 주식회사 윌러스표준기술연구소 경계 밖 블록을 이용하는 비디오 신호 처리 방법 및 이를 위한 장치
WO2023163374A1 (ko) * 2022-02-22 2023-08-31 현대자동차주식회사 인트라 예측에서 mpm 리스트 구성하기 위한 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012148128A2 (ko) * 2011-04-24 2012-11-01 엘지전자 주식회사 인터 예측 방법과 이를 이용한 인코딩 방법, 디코딩 방법 및 장치
KR20120140592A (ko) * 2011-06-21 2012-12-31 한국전자통신연구원 움직임 보상의 계산 복잡도 감소 및 부호화 효율을 증가시키는 방법 및 장치
EP3217663A4 (en) * 2014-11-06 2018-02-14 Samsung Electronics Co., Ltd. Video encoding method and apparatus, and video decoding method and apparatus
WO2017188566A1 (ko) * 2016-04-25 2017-11-02 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측 방법 및 장치
EP3525460A4 (en) * 2016-10-06 2020-06-17 LG Electronics Inc. -1- METHOD FOR PROCESSING A VIDEO BASED ON AN INTRAPREDICATION MODE AND DEVICE THEREFOR
CN116896633A (zh) * 2016-10-28 2023-10-17 韩国电子通信研究院 视频编码/解码方法和设备以及存储比特流的记录介质
WO2019194498A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치

Also Published As

Publication number Publication date
MX2022010359A (es) 2022-11-16
US20230082043A1 (en) 2023-03-16
JP2023515145A (ja) 2023-04-12
EP4113995A1 (en) 2023-01-04
EP4113995A4 (en) 2024-02-28
CN115428448A (zh) 2022-12-02
KR20220127938A (ko) 2022-09-20
WO2021172881A1 (ko) 2021-09-02

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