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CL2022000700A1 - Compatibilidad con imágenes mixtas irap y no irap dentro de una unidad de acceso de flujos de bits de video de capas múltiples - Google Patents

Compatibilidad con imágenes mixtas irap y no irap dentro de una unidad de acceso de flujos de bits de video de capas múltiples

Info

Publication number
CL2022000700A1
CL2022000700A1 CL2022000700A CL2022000700A CL2022000700A1 CL 2022000700 A1 CL2022000700 A1 CL 2022000700A1 CL 2022000700 A CL2022000700 A CL 2022000700A CL 2022000700 A CL2022000700 A CL 2022000700A CL 2022000700 A1 CL2022000700 A1 CL 2022000700A1
Authority
CL
Chile
Prior art keywords
irap
access unit
mixed
support
picture
Prior art date
Application number
CL2022000700A
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 CL2022000700A1 publication Critical patent/CL2022000700A1/es

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    • 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
    • H04N19/10—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
    • 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
    • H—ELECTRICITY
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    • 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
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    • 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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    • H04N19/10—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
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    • 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
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    • 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
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    • 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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
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    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
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    • 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
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    • 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
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    • 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
    • H04N19/187—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 scalable video layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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    • 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
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H—ELECTRICITY
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    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Se proporciona un método de decodificación implementado por un decodificador de video. El método incluye recibir un flujo de bits que incluye una unidad de acceso (access unit, AU) de inicio de secuencia de video codificado (coded video sequence start, CVSS), en donde la AU de CVSS contiene una unidad de imagen (picture unit, PU) para cada capa y en donde una imagen codificada en cada PU es una imagen de inicio de secuencia de video de capa codificada (coded layer video sequence start, CLVSS); identificar la imagen codificada de una de las capas con base en un valor de recuento de orden de imagen (picture order count, POC) y decodificar la imagen codificada para obtener una imagen decodificada.
CL2022000700A 2019-09-24 2022-03-23 Compatibilidad con imágenes mixtas irap y no irap dentro de una unidad de acceso de flujos de bits de video de capas múltiples CL2022000700A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201962905141P 2019-09-24 2019-09-24

Publications (1)

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CL2022000700A1 true CL2022000700A1 (es) 2022-11-18

Family

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CL2022000689A CL2022000689A1 (es) 2019-09-24 2022-03-22 Compatibilidad con imágenes mixtas irap y no irap dentro de una unidad de acceso de flujos de bits de video de capas múltiples
CL2022000700A CL2022000700A1 (es) 2019-09-24 2022-03-23 Compatibilidad con imágenes mixtas irap y no irap dentro de una unidad de acceso de flujos de bits de video de capas múltiples

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CL2022000689A CL2022000689A1 (es) 2019-09-24 2022-03-22 Compatibilidad con imágenes mixtas irap y no irap dentro de una unidad de acceso de flujos de bits de video de capas múltiples

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US (4) US12081784B2 (es)
EP (2) EP4018663A4 (es)
JP (4) JP7775561B2 (es)
KR (2) KR20220058961A (es)
CN (4) CN114845116B (es)
AU (2) AU2020372257A1 (es)
BR (4) BR112022005632A2 (es)
CA (2) CA3152298A1 (es)
CL (2) CL2022000689A1 (es)
IL (1) IL291614A (es)
MX (6) MX2022003362A (es)
SA (2) SA522432039B1 (es)
WO (2) WO2021061462A1 (es)

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AU2020352446A1 (en) 2022-04-14
KR20220058961A (ko) 2022-05-10
US12126823B2 (en) 2024-10-22
EP4018663A4 (en) 2022-11-09
CN114845117B (zh) 2023-04-11
US12081784B2 (en) 2024-09-03
CA3152933A1 (en) 2021-04-29
KR20220058960A (ko) 2022-05-10
JP2025016694A (ja) 2025-02-04
WO2021061462A1 (en) 2021-04-01
US20250039423A1 (en) 2025-01-30
EP4018665A4 (en) 2022-11-09
EP4018665A1 (en) 2022-06-29
US20220217386A1 (en) 2022-07-07
SA522441686B1 (ar) 2025-02-12
CN114845116B (zh) 2023-03-03
MX2025006205A (es) 2025-07-01
BR112022005396A2 (pt) 2022-06-21
BR122022009501A2 (pt) 2022-07-26
CN114430907A (zh) 2022-05-03
BR112022005632A2 (pt) 2022-07-12
CN114845117A (zh) 2022-08-02
JP2022549128A (ja) 2022-11-24
MX2025006197A (es) 2025-07-01
CL2022000689A1 (es) 2022-10-14
MX2022003362A (es) 2022-04-11
JP2022553128A (ja) 2022-12-22
CN114845116A (zh) 2022-08-02
CA3152298A1 (en) 2021-04-01
MX2022003449A (es) 2022-04-19
EP4018663A1 (en) 2022-06-29
MX2025001963A (es) 2025-04-02
MX2025001964A (es) 2025-04-02
AU2020372257A8 (en) 2022-05-12
KR102906389B1 (ko) 2025-12-30
AU2020372257A1 (en) 2022-04-14
JP2024075651A (ja) 2024-06-04
CN114424564A (zh) 2022-04-29
IL291614A (en) 2022-05-01
JP7775561B2 (ja) 2025-11-26
US20220217369A1 (en) 2022-07-07
SA522432039B1 (ar) 2024-11-12
US20250063188A1 (en) 2025-02-20
BR122022009499A2 (pt) 2022-07-05
WO2021080710A1 (en) 2021-04-29

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