BR112021026875A2 - Extração de fluxo de bits de codificação de vídeo com sinalização de identificador - Google Patents

Extração de fluxo de bits de codificação de vídeo com sinalização de identificador

Info

Publication number
BR112021026875A2
BR112021026875A2 BR112021026875A BR112021026875A BR112021026875A2 BR 112021026875 A2 BR112021026875 A2 BR 112021026875A2 BR 112021026875 A BR112021026875 A BR 112021026875A BR 112021026875 A BR112021026875 A BR 112021026875A BR 112021026875 A2 BR112021026875 A2 BR 112021026875A2
Authority
BR
Brazil
Prior art keywords
sub
video encoding
extracted
bitstream
bitstream extraction
Prior art date
Application number
BR112021026875A
Other languages
English (en)
Inventor
Fnu Hendry
Ye-Kui Wang
Original Assignee
Huawei Tech Co 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
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BR112021026875A2 publication Critical patent/BR112021026875A2/pt

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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
    • H04N19/70—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
    • 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
    • H04N19/184—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/547—Motion estimation performed in a transform domain
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • 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

Landscapes

  • 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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

extração de fluxo de bits de codificação de vídeo com sinalização de identificador. a presente invenção refere-se a mecanismo (codificador/decodificador, e produto de computador (meio de armazenamento, e método) de codificação de vídeo. o mecanismo compreende o recebimento de um fluxo de bits extraído que é o resultado de um processo de extração de um fluxo de bits de entrada contendo um conjunto de sub-fotos. o fluxo de bits extraído contém apenas um subconjunto das sub-fotos do fluxo de bits de entrada para o processo de extração do fluxo de bits de entrada. uma flag do fluxo de bits extraído é definida para indicar que a informação da sub-foto relacionada ao subconjunto das sub-fotos está presente no fluxo de bits extraído. um ou mais identificadores de sub-fotos (ids) para o subconjunto das sub-fotos são obtidos com base na flag. o subconjunto das sub-fotografias é decodificado com base na sub-foto.
BR112021026875A 2019-07-05 2020-06-15 Extração de fluxo de bits de codificação de vídeo com sinalização de identificador BR112021026875A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962870892P 2019-07-05 2019-07-05
PCT/US2020/037780 WO2021006998A1 (en) 2019-07-05 2020-06-15 Video coding bitstream extraction with identifier signaling

Publications (1)

Publication Number Publication Date
BR112021026875A2 true BR112021026875A2 (pt) 2022-02-22

Family

ID=74114987

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021026875A BR112021026875A2 (pt) 2019-07-05 2020-06-15 Extração de fluxo de bits de codificação de vídeo com sinalização de identificador

Country Status (13)

Country Link
US (1) US11968400B2 (pt)
EP (1) EP3977746A4 (pt)
JP (1) JP2022540397A (pt)
KR (1) KR20220024932A (pt)
CN (4) CN114650428B (pt)
AU (1) AU2020311841A1 (pt)
BR (1) BR112021026875A2 (pt)
CA (1) CA3145887A1 (pt)
CL (1) CL2022000003A1 (pt)
MX (1) MX2022000139A (pt)
NZ (1) NZ784074A (pt)
WO (1) WO2021006998A1 (pt)
ZA (1) ZA202201161B (pt)

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US11936880B2 (en) * 2019-09-27 2024-03-19 Tencent America LLC Method for signaling output subpicture layer set
US11509938B2 (en) * 2019-11-05 2022-11-22 Hfi Innovation Inc. Method and apparatus of signaling subpicture information in video coding

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Also Published As

Publication number Publication date
AU2020311841A1 (en) 2022-02-03
WO2021006998A1 (en) 2021-01-14
US20220132170A1 (en) 2022-04-28
CN114026872B (zh) 2022-12-06
CN115866259A (zh) 2023-03-28
CN115720266A (zh) 2023-02-28
CN114026872A (zh) 2022-02-08
ZA202201161B (en) 2022-10-26
JP2022540397A (ja) 2022-09-15
CA3145887A1 (en) 2021-01-14
CL2022000003A1 (es) 2022-08-26
US20240137569A1 (en) 2024-04-25
US11968400B2 (en) 2024-04-23
NZ784074A (en) 2024-02-23
KR20220024932A (ko) 2022-03-03
CN114650428B (zh) 2023-05-09
MX2022000139A (es) 2022-02-17
EP3977746A4 (en) 2022-08-03
CN114650428A (zh) 2022-06-21
EP3977746A1 (en) 2022-04-06

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