BR112021018450A8 - Controle de taxa para um codificador de vídeo - Google Patents

Controle de taxa para um codificador de vídeo

Info

Publication number
BR112021018450A8
BR112021018450A8 BR112021018450A BR112021018450A BR112021018450A8 BR 112021018450 A8 BR112021018450 A8 BR 112021018450A8 BR 112021018450 A BR112021018450 A BR 112021018450A BR 112021018450 A BR112021018450 A BR 112021018450A BR 112021018450 A8 BR112021018450 A8 BR 112021018450A8
Authority
BR
Brazil
Prior art keywords
stream
resolution
video
encoding
quality level
Prior art date
Application number
BR112021018450A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112021018450A2 (https=
Inventor
Guido Meardi
Lorenzo Ciccarelli
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
Priority claimed from GBGB1909701.3A external-priority patent/GB201909701D0/en
Application filed by V Nova Int Ltd filed Critical V Nova Int Ltd
Publication of BR112021018450A2 publication Critical patent/BR112021018450A2/pt
Publication of BR112021018450A8 publication Critical patent/BR112021018450A8/pt

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    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H—ELECTRICITY
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    • 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
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    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
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    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
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    • 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
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Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR112021018450A 2019-03-20 2019-12-13 Controle de taxa para um codificador de vídeo BR112021018450A8 (pt)

Applications Claiming Priority (6)

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
GBGB1909701.3A GB201909701D0 (en) 2019-07-05 2019-07-05 Video coding technology
PCT/GB2019/053551 WO2020188230A1 (en) 2019-03-20 2019-12-13 Rate control for a video encoder

Publications (2)

Publication Number Publication Date
BR112021018450A2 BR112021018450A2 (https=) 2021-11-23
BR112021018450A8 true BR112021018450A8 (pt) 2022-06-21

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Application Number Title Priority Date Filing Date
BR112021018450A BR112021018450A8 (pt) 2019-03-20 2019-12-13 Controle de taxa para um codificador de vídeo
BR112021018466A BR112021018466A2 (pt) 2019-03-20 2019-12-13 Processamento de resíduos em codificação de vídeo

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BR112021018466A BR112021018466A2 (pt) 2019-03-20 2019-12-13 Processamento de resíduos em codificação de vídeo

Country Status (11)

Country Link
US (3) US12273544B2 (https=)
EP (2) EP3942815A1 (https=)
JP (2) JP7558965B2 (https=)
KR (2) KR20220004972A (https=)
CN (3) CN118540485A (https=)
AU (3) AU2019435415B2 (https=)
BR (2) BR112021018450A8 (https=)
CA (1) CA3133774A1 (https=)
GB (2) GB2599508B (https=)
MX (3) MX2021011339A (https=)
WO (2) WO2020188229A1 (https=)

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