BR112022022306A2 - Codificador, decodificador, método de codificação e método de decodificação - Google Patents

Codificador, decodificador, método de codificação e método de decodificação

Info

Publication number
BR112022022306A2
BR112022022306A2 BR112022022306A BR112022022306A BR112022022306A2 BR 112022022306 A2 BR112022022306 A2 BR 112022022306A2 BR 112022022306 A BR112022022306 A BR 112022022306A BR 112022022306 A BR112022022306 A BR 112022022306A BR 112022022306 A2 BR112022022306 A2 BR 112022022306A2
Authority
BR
Brazil
Prior art keywords
encoder
nal units
decoder
identifiers
parameter
Prior art date
Application number
BR112022022306A
Other languages
English (en)
Portuguese (pt)
Inventor
Nishi Takahiro
Toma Tadamasa
Abe Kiyofumi
Original Assignee
Panasonic Ip Corp America
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 Panasonic Ip Corp America filed Critical Panasonic Ip Corp America
Publication of BR112022022306A2 publication Critical patent/BR112022022306A2/pt

Links

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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal 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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/184—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
    • H04N19/44—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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/102—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/186—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112022022306A 2020-05-19 2021-05-17 Codificador, decodificador, método de codificação e método de decodificação BR112022022306A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063026981P 2020-05-19 2020-05-19
PCT/JP2021/018684 WO2021235412A1 (ja) 2020-05-19 2021-05-17 符号化装置、復号装置、符号化方法、および復号方法

Publications (1)

Publication Number Publication Date
BR112022022306A2 true BR112022022306A2 (pt) 2022-12-20

Family

ID=78708466

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022022306A BR112022022306A2 (pt) 2020-05-19 2021-05-17 Codificador, decodificador, método de codificação e método de decodificação

Country Status (7)

Country Link
US (1) US20230056696A1 (https=)
JP (1) JPWO2021235412A1 (https=)
KR (1) KR20230011298A (https=)
CN (1) CN115552908B (https=)
BR (1) BR112022022306A2 (https=)
MX (2) MX2022013887A (https=)
WO (1) WO2021235412A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7513756B2 (ja) * 2020-05-22 2024-07-09 北京字節跳動網絡技術有限公司 サブレイヤ数制限

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6272343B2 (ja) * 2013-10-22 2018-01-31 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 画像復号装置、及び画像復号方法
US9402083B2 (en) * 2014-04-24 2016-07-26 Vidyo, Inc. Signaling conformance points using profile space
US10652631B2 (en) * 2016-05-24 2020-05-12 Qualcomm Incorporated Sample entries and random access
WO2018092868A1 (ja) * 2016-11-21 2018-05-24 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法

Also Published As

Publication number Publication date
CN115552908A (zh) 2022-12-30
WO2021235412A1 (ja) 2021-11-25
MX2025013520A (es) 2025-12-01
MX2022013887A (es) 2022-11-30
US20230056696A1 (en) 2023-02-23
CN115552908B (zh) 2026-04-07
KR20230011298A (ko) 2023-01-20
JPWO2021235412A1 (https=) 2021-11-25

Similar Documents

Publication Publication Date Title
BR112022004883A2 (pt) Método implementado por um decodificador, mídia legível por computador não transitória, e dispositivo de decodificação
BR112022006389A2 (pt) Prevenção de sinalização redundante em fluxos de bits de vídeo de múltiplas camadas
BR112017016341A2 (pt) codificação em modo paleta para codificação de vídeo
BR112022014652A2 (pt) Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeo
MX2023010008A (es) Metodo y aparato de codificacion de datos de imagen y metodo y aparato de decodificacion de datos de imagen.
BRPI0718205A8 (pt) método para encodificar conteúdo de vídeo; produto de programa de computador; aparelho de encodificação; método para seletivamente emitir uma pluralidade de imagens; e equipamento de decodificação
BR112021017154A2 (pt) Aparelho que compreende um codificador ou decodificador, método para codificar ou decodificar dados de imagem ou de vídeo e produto de programa de computador
BR112022005448A2 (pt) Métodos implementados por codificador, e decodificador, dispositivos de codificação de vídeo, e de produto de computador
BR112022005495A2 (pt) Sinalização de cabeçalho de imagem em codificação de vídeo
BR112021023252A2 (pt) Codificação de coeficiente para modo de pulo de transformada em codificação de vídeo
BR112014002479A2 (pt) conjuntos de parâmetros de codificação para várias dimensões em codificação de vídeo
BR112015029132A2 (pt) codificação de cenas de áudio
BR112016030044A2 (pt) codificação de vídeo de várias camadas
BR112014017379A8 (pt) subsequências para processamento paralelo de frente de onda na codificação de vídeo
BR112022024359A2 (pt) Codificação residual de atributo no g-pcc
JP2017520157A5 (https=)
MX2021002934A (es) Fusion de flujos de bits.
BR112021017169A2 (pt) Codificador, decodificador, método de codificação e método de decodificação
BR112016029611A2 (pt) redefinição de contagem de ordem de figuração total para codecs de múltiplas camadas
BR112022022306A2 (pt) Codificador, decodificador, método de codificação e método de decodificação
BR112022002916A2 (pt) Codificador, decodificador, método de codificação e método de decodificação
BR112022005372A2 (pt) Mensagens sei de aninhamento escalável para camadas especificadas
BR112022019219A2 (pt) Codificador, decodificador e métodos correspondentes
BR112022018309A2 (pt) Métodos para decodificação e para codificação, dispositivos para decodificação e para codificação, sinal, programa de computador, e, meios para armazenamento de informações
BR112022014484A2 (pt) Método de decodificação de uma sequência de vídeo codificada e decodificador, método de codificação de uma sequência de vídeo e codificador, e mídia legível por computador não transitória