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CL2022000689A1 - 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
CL2022000689A1
CL2022000689A1 CL2022000689A CL2022000689A CL2022000689A1 CL 2022000689 A1 CL2022000689 A1 CL 2022000689A1 CL 2022000689 A CL2022000689 A CL 2022000689A CL 2022000689 A CL2022000689 A CL 2022000689A CL 2022000689 A1 CL2022000689 A1 CL 2022000689A1
Authority
CL
Chile
Prior art keywords
irap
value
poc
mark
mixed
Prior art date
Application number
CL2022000689A
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 CL2022000689A1 publication Critical patent/CL2022000689A1/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
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • H04N19/103—Selection of coding mode or of prediction mode
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    • H04N19/103—Selection of coding mode or of prediction mode
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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
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
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    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
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    • 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
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    • 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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    • H04N19/184—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
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    • 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
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    • 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
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    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
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    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
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    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

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  • 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 un conjunto de parámetros de secuencia (sequence parameter set, SPS) que contiene una primera marca y una marca de la longitud de un valor de bits más significativos (most significant bits, MSB) de recuento de orden de imagen (picture order count, POC) cuando está presente en un encabezado que se refiere al SPS, en donde un valor de la primera marca especifica que una segunda marca está presente en el encabezado que se refiere al SPS, y en donde un valor de la segunda marca especifica que el valor POC MSB está presente en el encabezado; determinar un valor de POC con base en el valor de POC MSB; identificar una imagen del flujo de bits con base en el valor POC y decodificar la imagen para obtener una imagen decodificada.
CL2022000689A 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 CL2022000689A1 (es)

Applications Claiming Priority (1)

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

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CL2022000689A1 true CL2022000689A1 (es) 2022-10-14

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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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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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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
CL2022000700A1 (es) 2022-11-18
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
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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