BR112022004862A2 - Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação - Google Patents

Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação

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Publication number
BR112022004862A2
BR112022004862A2 BR112022004862A BR112022004862A BR112022004862A2 BR 112022004862 A2 BR112022004862 A2 BR 112022004862A2 BR 112022004862 A BR112022004862 A BR 112022004862A BR 112022004862 A BR112022004862 A BR 112022004862A BR 112022004862 A2 BR112022004862 A2 BR 112022004862A2
Authority
BR
Brazil
Prior art keywords
bitstream
decoder
nal
sei
computer readable
Prior art date
Application number
BR112022004862A
Other languages
English (en)
Inventor
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 BR112022004862A2 publication Critical patent/BR112022004862A2/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
    • H04N19/46—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
    • H04N19/10—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
    • 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
    • H04N19/132—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
    • H04N19/169—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
    • H04N19/184—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
    • H04N19/10—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
    • H04N19/30—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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

aninhamento escalável para mensagens sei de sufixo. um mecanismo de codificação de vídeo é revelado. o mecanismo inclui codificar uma ou mais imagens codificadas em um fluxo de bits. uma unidade de camada de abstração de rede (nal) de informações suplementares de enriquecimento (sei) com um tipo de unidade nal (nal_unit_type) igual a um tipo de unidade sei nal de sufixo também é codificado no fluxo de bits. a unidade sei nal contém uma mensagem sei de aninhamento escalável. um conjunto de testes de conformidade de fluxo de bits é realizado no fluxo de bits com base na mensagem sei de aninhamento escalável. o fluxo de bits é armazenado para comunicação em direção a um decodificador.
BR112022004862A 2019-09-24 2020-09-17 Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação BR112022004862A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962905236P 2019-09-24 2019-09-24
PCT/US2020/051315 WO2021061495A1 (en) 2019-09-24 2020-09-17 Scalable nesting for suffix sei messages

Publications (1)

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BR112022004862A2 true BR112022004862A2 (pt) 2022-06-07

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Application Number Title Priority Date Filing Date
BR112022004862A BR112022004862A2 (pt) 2019-09-24 2020-09-17 Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação
BR112022004883A BR112022004883A2 (pt) 2019-09-24 2020-09-17 Método implementado por um decodificador, mídia legível por computador não transitória, e dispositivo de decodificação
BR112022005000A BR112022005000A2 (pt) 2019-09-24 2020-09-17 Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação
BR112022005394A BR112022005394A2 (pt) 2019-09-24 2020-09-17 Simplificação de dependência de mensagem sei em codificação de vídeo
BR112022004873A BR112022004873A2 (pt) 2019-09-24 2020-09-17 Método implementado por decodificador, mídia legível por computador não transitória e dispositivo de decodificação
BR122022007954-7A BR122022007954A2 (pt) 2019-09-24 2020-09-17 Simplificação de dependência de mensagem sei em codificação de vídeo

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BR112022004883A BR112022004883A2 (pt) 2019-09-24 2020-09-17 Método implementado por um decodificador, mídia legível por computador não transitória, e dispositivo de decodificação
BR112022005000A BR112022005000A2 (pt) 2019-09-24 2020-09-17 Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação
BR112022005394A BR112022005394A2 (pt) 2019-09-24 2020-09-17 Simplificação de dependência de mensagem sei em codificação de vídeo
BR112022004873A BR112022004873A2 (pt) 2019-09-24 2020-09-17 Método implementado por decodificador, mídia legível por computador não transitória e dispositivo de decodificação
BR122022007954-7A BR122022007954A2 (pt) 2019-09-24 2020-09-17 Simplificação de dependência de mensagem sei em codificação de vídeo

Country Status (11)

Country Link
US (6) US11800130B2 (pt)
EP (5) EP4022451A4 (pt)
JP (9) JP2022548405A (pt)
KR (5) KR20220063269A (pt)
CN (11) CN114450962A (pt)
AU (5) AU2020354368A1 (pt)
BR (6) BR112022004862A2 (pt)
CA (2) CA3152353A1 (pt)
CL (2) CL2022000702A1 (pt)
MX (2) MX2022003548A (pt)
WO (5) WO2021061495A1 (pt)

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