BR112022012747A2 - Aparelho e método de codificação/decodificação de vídeo para executar pdpc e método para transmissão de fluxo de bits - Google Patents

Aparelho e método de codificação/decodificação de vídeo para executar pdpc e método para transmissão de fluxo de bits

Info

Publication number
BR112022012747A2
BR112022012747A2 BR112022012747A BR112022012747A BR112022012747A2 BR 112022012747 A2 BR112022012747 A2 BR 112022012747A2 BR 112022012747 A BR112022012747 A BR 112022012747A BR 112022012747 A BR112022012747 A BR 112022012747A BR 112022012747 A2 BR112022012747 A2 BR 112022012747A2
Authority
BR
Brazil
Prior art keywords
pdpc
current block
prediction block
encoding
block
Prior art date
Application number
BR112022012747A
Other languages
English (en)
Inventor
Heo Jin
Moon Jang Hyeong
Choi Jangwon
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 BR112022012747A2 publication Critical patent/BR112022012747A2/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
    • H04N19/10—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
    • H04N19/119—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
    • H04N19/102—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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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

Abstract

APARELHO E MÉTODO DE CODIFICAÇÃO/DECODIFICAÇÃO DE VÍDEO PARA EXECUTAR PDPC E MÉTODO PARA TRANSMISSÃO DE FLUXO DE BITS. São fornecidos um método e aparelho de codificação/decodificação de imagem. Um método de decodificação de imagem de acordo com a presente revelação é executado por um aparelho de decodificação de imagem. O método de decodificação de imagem pode compreender gerar um bloco de predição por executar intra predição em um bloco atual, determinar se deve aplicar combinação de intra predição dependente de posição (PDPC) ao bloco de predição e gerar um bloco de predição final do bloco atual por aplicar PDPC ao bloco de predição com base na determinação. A determinação de se deve aplicar PDPC ao bloco de predição pode compreender determinar se um tamanho do bloco atual atende a uma condição predeterminada. Com base no tamanho do bloco atual atendendo a condição predeterminada, pode ser determinado a aplicação de PDPC ao bloco de predição. Com base no tamanho do bloco atual feito não atender a condição predeterminada, uma determinação de um componente de cor do bloco atual pode ser pulado e pode ser determinado não aplicar PDPC ao bloco de predição.
BR112022012747A 2019-12-26 2020-12-24 Aparelho e método de codificação/decodificação de vídeo para executar pdpc e método para transmissão de fluxo de bits BR112022012747A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962953886P 2019-12-26 2019-12-26
PCT/KR2020/019091 WO2021133100A1 (ko) 2019-12-26 2020-12-24 Pdpc를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
BR112022012747A2 true BR112022012747A2 (pt) 2022-09-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022012747A BR112022012747A2 (pt) 2019-12-26 2020-12-24 Aparelho e método de codificação/decodificação de vídeo para executar pdpc e método para transmissão de fluxo de bits

Country Status (8)

Country Link
US (2) US11778192B2 (pt)
EP (1) EP4084477A4 (pt)
JP (1) JP2023508178A (pt)
KR (1) KR20220079974A (pt)
CN (1) CN115088261A (pt)
BR (1) BR112022012747A2 (pt)
MX (1) MX2022007832A (pt)
WO (1) WO2021133100A1 (pt)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10841578B2 (en) * 2018-02-12 2020-11-17 Tencent America LLC Method and apparatus for using an intra prediction coding tool for intra prediction of non-square blocks in video compression
US11611757B2 (en) * 2018-04-02 2023-03-21 Qualcomm Incorproated Position dependent intra prediction combination extended with angular modes
WO2019199142A1 (ko) * 2018-04-13 2019-10-17 엘지전자 주식회사 인트라 예측 방법을 결정하기 위한 영상 코딩 방법 및 장치
CN112236996A (zh) * 2018-12-21 2021-01-15 株式会社 Xris 视频信号编码/解码方法及其装置
EP3972258A4 (en) * 2019-06-25 2022-06-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. INFORMATION PROCESSING METHOD AND DEVICE, APPARATUS, AND STORAGE MEDIUM

Also Published As

Publication number Publication date
JP2023508178A (ja) 2023-03-01
EP4084477A1 (en) 2022-11-02
US20230396772A1 (en) 2023-12-07
CN115088261A (zh) 2022-09-20
KR20220079974A (ko) 2022-06-14
US11778192B2 (en) 2023-10-03
WO2021133100A1 (ko) 2021-07-01
MX2022007832A (es) 2022-08-04
US20220353507A1 (en) 2022-11-03
EP4084477A4 (en) 2023-12-20

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