BR112022018880A2 - Método de processamento de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador - Google Patents

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

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Publication number
BR112022018880A2
BR112022018880A2 BR112022018880A BR112022018880A BR112022018880A2 BR 112022018880 A2 BR112022018880 A2 BR 112022018880A2 BR 112022018880 A BR112022018880 A BR 112022018880A BR 112022018880 A BR112022018880 A BR 112022018880A BR 112022018880 A2 BR112022018880 A2 BR 112022018880A2
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BR
Brazil
Prior art keywords
video
subpicture
processing method
computer readable
recording media
Prior art date
Application number
BR112022018880A
Other languages
English (en)
Inventor
Wang Ye-Kui
Original Assignee
Bytedance 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.)
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Publication date
Application filed by Bytedance Inc filed Critical Bytedance Inc
Publication of BR112022018880A2 publication Critical patent/BR112022018880A2/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
    • H04N19/70—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
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/10—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
    • H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)

Abstract

MÉTODO DE PROCESSAMENTO DE VÍDEO, APARELHO PARA PROCESSAMENTO DE DADOS DE VÍDEO, MEIOS DE ARMAZENAMENTO E DE GRAVAÇÃO NÃO TRANSITÓRIOS LEGÍVEIS POR COMPUTADOR. Métodos e aparelhos para processamento de vídeo são descritos. O processamento pode incluir codificação, decodificação ou transcodificação de vídeo. Um exemplo de método de processamento de vídeo inclui desempenhar uma conversão entre um vídeo compreendendo uma ou mais imagens compreendendo uma ou mais subimagens e um bitstream do vídeo, em que o bitstream está em conformidade com uma regra de formato que especifica que uma subimagem de rastreamento que está associada a uma subimagem de ponto de acesso aleatório intra ou uma subimagem de atualização de decodificação gradual segue a subimagem de ponto de acesso aleatório intra ou a subimagem de atualização de decodificação gradual em uma ordem.
BR112022018880A 2020-03-20 2021-03-18 Método de processamento de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador BR112022018880A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062992724P 2020-03-20 2020-03-20
PCT/US2021/022982 WO2021188805A1 (en) 2020-03-20 2021-03-18 Order relationship between subpictures

Publications (1)

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BR112022018880A2 true BR112022018880A2 (pt) 2022-11-22

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BR112022018880A BR112022018880A2 (pt) 2020-03-20 2021-03-18 Método de processamento de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador
BR112022018884A BR112022018884A2 (pt) 2020-03-20 2021-03-18 Método de processamento de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador
BR112022018862A BR112022018862A2 (pt) 2020-03-20 2021-03-18 Método e aparelho de processamento de dados de vídeo, meio de armazenamento e meio de gravação não transitórios legíveis por computador

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BR112022018884A BR112022018884A2 (pt) 2020-03-20 2021-03-18 Método de processamento de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador
BR112022018862A BR112022018862A2 (pt) 2020-03-20 2021-03-18 Método e aparelho de processamento de dados de vídeo, meio de armazenamento e meio de gravação não transitórios legíveis por computador

Country Status (8)

Country Link
US (5) US11849149B2 (pt)
EP (5) EP4107943A4 (pt)
JP (4) JP7420965B2 (pt)
KR (4) KR20220156830A (pt)
CN (4) CN115336271A (pt)
BR (3) BR112022018880A2 (pt)
MX (3) MX2022011426A (pt)
WO (4) WO2021188805A1 (pt)

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JP7488354B2 (ja) 2024-05-21
KR20220156829A (ko) 2022-11-28
JP2023518949A (ja) 2023-05-09
MX2022011424A (es) 2022-10-03
EP4107943A4 (en) 2023-08-09
US11849149B2 (en) 2023-12-19
WO2021188810A1 (en) 2021-09-23
WO2021188801A1 (en) 2021-09-23
CN115299049A (zh) 2022-11-04
EP4107944A1 (en) 2022-12-28
BR112022018862A2 (pt) 2022-11-22
US20230034923A1 (en) 2023-02-02
EP4319149A2 (en) 2024-02-07
EP4107950A4 (en) 2023-08-09
US20240129542A1 (en) 2024-04-18
WO2021188805A1 (en) 2021-09-23
EP4107943A1 (en) 2022-12-28
JP2023518951A (ja) 2023-05-09
CN115336271A (zh) 2022-11-11
KR20220156831A (ko) 2022-11-28
JP2023518950A (ja) 2023-05-09
EP4107954A4 (en) 2023-08-09
EP4319149A3 (en) 2024-04-17
CN115380530A (zh) 2022-11-22
WO2021188796A1 (en) 2021-09-23
US20230026922A1 (en) 2023-01-26
KR20220156830A (ko) 2022-11-28
JP2023518441A (ja) 2023-05-01
EP4107944A4 (en) 2023-06-14
JP7420965B2 (ja) 2024-01-23
JP7488353B2 (ja) 2024-05-21
US20230021827A1 (en) 2023-01-26
MX2022011426A (es) 2022-10-03
JP7481477B2 (ja) 2024-05-10
MX2022011425A (es) 2022-10-03
BR112022018884A2 (pt) 2022-11-08
CN115299044A (zh) 2022-11-04
EP4107954A1 (en) 2022-12-28
US11863796B2 (en) 2024-01-02
US20230017513A1 (en) 2023-01-19
KR20220155988A (ko) 2022-11-24
EP4107950A1 (en) 2022-12-28

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