BR112021018469A2 - Processamento temporal para tecnologia de codificação de vídeo - Google Patents

Processamento temporal para tecnologia de codificação de vídeo

Info

Publication number
BR112021018469A2
BR112021018469A2 BR112021018469A BR112021018469A BR112021018469A2 BR 112021018469 A2 BR112021018469 A2 BR 112021018469A2 BR 112021018469 A BR112021018469 A BR 112021018469A BR 112021018469 A BR112021018469 A BR 112021018469A BR 112021018469 A2 BR112021018469 A2 BR 112021018469A2
Authority
BR
Brazil
Prior art keywords
temporal
residuals
decoder
video coding
output video
Prior art date
Application number
BR112021018469A
Other languages
English (en)
Inventor
Guido Meardi
Ivan Damnjanovic
Original Assignee
V Nova Int Ltd
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
Priority claimed from GBGB1903844.7A external-priority patent/GB201903844D0/en
Priority claimed from GBGB1904014.6A external-priority patent/GB201904014D0/en
Priority claimed from GBGB1904492.4A external-priority patent/GB201904492D0/en
Priority claimed from GBGB1905325.5A external-priority patent/GB201905325D0/en
Application filed by V Nova Int Ltd filed Critical V Nova Int Ltd
Publication of BR112021018469A2 publication Critical patent/BR112021018469A2/pt

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    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

processamento temporal para tecnologia de codificação de vídeo. um decodificador configurado para receber um primeiro vídeo de saída e um ou mais fluxos codificados adicionais, decodifica respectivos quadros dos um ou mais fluxos codificados adicionais para derivar respectivos conjuntos de residuais; e combinar os conjuntos de residuais com o primeiro vídeo de saída para gerar um vídeo de saída reconstruído. cada quadro é dividido em uma pluralidade de ladrilhos e cada ladrilho é dividido em uma pluralidade de blocos. para decodificar respectivos quadros, o decodificador é configurado para obter um conjunto preliminar de residuais dos um ou mais fluxos codificados adicionais, derivar um conjunto de predições temporais usando um armazenador temporal e combinar o conjunto de predições temporais com o conjunto preliminar de residuais. o decodificador é configurado para fornecer zeragem de valores do conjunto de predições temporais em um nível de quadro, em um nível de ladrilho e em um nível de bloco.
BR112021018469A 2019-03-20 2020-03-18 Processamento temporal para tecnologia de codificação de vídeo BR112021018469A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB1903844.7A GB201903844D0 (en) 2019-03-20 2019-03-20 A method of encoding and decoding a video
GBGB1904014.6A GB201904014D0 (en) 2019-03-23 2019-03-23 Video coding technology
GBGB1904492.4A GB201904492D0 (en) 2019-03-29 2019-03-29 Video coding technology
GBGB1905325.5A GB201905325D0 (en) 2019-04-15 2019-04-15 Video coding technology
PCT/GB2020/050693 WO2020188272A1 (en) 2019-03-20 2020-03-18 Temporal processing for video coding technology

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BR112021018469A2 true BR112021018469A2 (pt) 2021-11-23

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BR112021018469A BR112021018469A2 (pt) 2019-03-20 2020-03-18 Processamento temporal para tecnologia de codificação de vídeo
BR112021018470A BR112021018470A2 (pt) 2019-03-20 2020-03-19 Quantização de residuais em codificação de vídeo

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EP (4) EP3942818A1 (pt)
JP (2) JP2022528529A (pt)
KR (2) KR20220003509A (pt)
CN (4) CN113994689A (pt)
AU (2) AU2020244264A1 (pt)
BR (2) BR112021018469A2 (pt)
CA (2) CA3133943A1 (pt)
GB (6) GB2617304B (pt)
MX (2) MX2021011337A (pt)
WO (4) WO2020188237A1 (pt)
ZA (1) ZA202107043B (pt)

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GB2599509B (en) 2023-08-23
CA3133767A1 (en) 2020-09-24
CN113994689A (zh) 2022-01-28
KR20220003510A (ko) 2022-01-10
GB202114967D0 (en) 2021-12-01
GB2596968B (en) 2023-08-09
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GB2599509A (en) 2022-04-06
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US20220217345A1 (en) 2022-07-07
ZA202107043B (en) 2023-10-25
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GB2596969A (en) 2022-01-12
AU2020244267A1 (en) 2021-10-14
CN114270854A (zh) 2022-04-01
GB2596968A (en) 2022-01-12
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CN113994687A (zh) 2022-01-28
GB2596969B (en) 2023-09-27
JP2022528529A (ja) 2022-06-14
US20220159289A1 (en) 2022-05-19
GB202114970D0 (en) 2021-12-01
BR112021018470A2 (pt) 2021-11-23
EP3942814A1 (en) 2022-01-26
JP2022528403A (ja) 2022-06-10
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