BR112022005109A2 - Método de processamento de vídeo, aparelho para processamento de dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios - Google Patents

Método de processamento de vídeo, aparelho para processamento de dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios

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Publication number
BR112022005109A2
BR112022005109A2 BR112022005109A BR112022005109A BR112022005109A2 BR 112022005109 A2 BR112022005109 A2 BR 112022005109A2 BR 112022005109 A BR112022005109 A BR 112022005109A BR 112022005109 A BR112022005109 A BR 112022005109A BR 112022005109 A2 BR112022005109 A2 BR 112022005109A2
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BR
Brazil
Prior art keywords
video
chroma block
processing method
computer readable
readable storage
Prior art date
Application number
BR112022005109A
Other languages
English (en)
Inventor
Xu Jizheng
Deng Zhipin
Zhang Li
Liu Hongbin
Zhang Kai
Original Assignee
Beijing Bytedance Network Tech Co Ltd
Bytedance Inc
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Application filed by Beijing Bytedance Network Tech Co Ltd, Bytedance Inc filed Critical Beijing Bytedance Network Tech Co Ltd
Publication of BR112022005109A2 publication Critical patent/BR112022005109A2/pt

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    • 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
    • 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

Abstract

MÉTODO DE PROCESSAMENTO DE VÍDEO, APARELHO PARA PROCESSAMENTO DE DADOS DE VÍDEO, E, MEIOS DE ARMAZENAMENTO E DE GRAVAÇÃO LEGÍVEIS POR COMPUTADOR NÃO TRANSITÓRIOS. Um método de processamento de vídeo é descrito. O método inclui realizar uma conversão entre um bloco de croma de uma região de vídeo de uma figura de vídeo de um vídeo e uma representação codificada do vídeo de acordo com uma regra; em que a regra especifica que, devido ao bloco de croma ter um tamanho M x N, o bloco de croma é desautorizado de ser representado na representação codificada usando um modo de intracodificação, em que M e N são números inteiros que indicam uma largura e uma altura do bloco de croma respectivamente, e em que o modo de intracodificação inclui codificar o bloco de croma com base em uma região de vídeo previamente codificada da figura de vídeo.
BR112022005109A 2019-09-21 2020-09-21 Método de processamento de vídeo, aparelho para processamento de dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios BR112022005109A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2019107139 2019-09-21
CN2019108760 2019-09-27
PCT/CN2020/116472 WO2021052494A1 (en) 2019-09-21 2020-09-21 Size restriction based for chroma intra mode

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BR112022005109A2 true BR112022005109A2 (pt) 2023-03-14

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Country Status (8)

Country Link
US (2) US11575893B2 (pt)
EP (1) EP4018662A4 (pt)
JP (2) JP7332795B2 (pt)
KR (1) KR102649584B1 (pt)
CN (1) CN114424565A (pt)
BR (1) BR112022005109A2 (pt)
MX (1) MX2022003122A (pt)
WO (1) WO2021052494A1 (pt)

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JP2023155275A (ja) 2023-10-20
EP4018662A4 (en) 2023-05-03
US20220248009A1 (en) 2022-08-04
KR20220064961A (ko) 2022-05-19
JP7332795B2 (ja) 2023-08-23
CN114424565A (zh) 2022-04-29
KR102649584B1 (ko) 2024-03-21
EP4018662A1 (en) 2022-06-29
JP2022549185A (ja) 2022-11-24
WO2021052494A1 (en) 2021-03-25
US20230217024A1 (en) 2023-07-06
US11575893B2 (en) 2023-02-07
MX2022003122A (es) 2022-04-06

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