MX2021011419A - Un codificador, un decodificador y métodos correspondientes para la intrapredicción. - Google Patents

Un codificador, un decodificador y métodos correspondientes para la intrapredicción.

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Publication number
MX2021011419A
MX2021011419A MX2021011419A MX2021011419A MX2021011419A MX 2021011419 A MX2021011419 A MX 2021011419A MX 2021011419 A MX2021011419 A MX 2021011419A MX 2021011419 A MX2021011419 A MX 2021011419A MX 2021011419 A MX2021011419 A MX 2021011419A
Authority
MX
Mexico
Prior art keywords
current block
intra prediction
value
indication information
prediction mode
Prior art date
Application number
MX2021011419A
Other languages
English (en)
Inventor
Semih Esenlik
Jianle Chen
Biao Wang
Anand Meher Kotra
Han Gao
Original Assignee
Huawei Tech Co Ltd
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Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2021011419A publication Critical patent/MX2021011419A/es

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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

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

Abstract

Se proporcionan dispositivos y métodos para la intrapredicción. El método incluye: obtener un valor de una primera información de indicación de un bloque actual, el valor de la primera información de indicación que indica si un modo de intrapredicción del bloque actual está comprendido en un conjunto de modos más probables; y obtener un valor de una línea de índice de referencia del bloque actual. Cuando el valor de la primera información de indicación indica que el modo de intrapredicción del bloque actual está comprendido en el conjunto de modos más probables, y cuando el valor de la línea de índice de referencia indica que se utiliza la línea de referencia vecina más cercana al bloque actual, el método incluye además obtener un valor de una segunda información de indicación del bloque actual, indicando el valor de la segunda información de indicación del bloque actual si el modo de intrapredicción del bloque actual es el modo planar o no. El método puede mejorar la eficiencia para determinar el modo de intrapredicción del bloque actual.
MX2021011419A 2019-03-23 2020-03-23 Un codificador, un decodificador y métodos correspondientes para la intrapredicción. MX2021011419A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962822865P 2019-03-23 2019-03-23
US201962824282P 2019-03-26 2019-03-26
US201962824360P 2019-03-27 2019-03-27
PCT/CN2020/080650 WO2020192625A1 (en) 2019-03-23 2020-03-23 An encoder, a decoder and corresponding methods for intra prediction

Publications (1)

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MX2021011419A true MX2021011419A (es) 2022-01-06

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MX2021011419A MX2021011419A (es) 2019-03-23 2020-03-23 Un codificador, un decodificador y métodos correspondientes para la intrapredicción.
MX2021011421A MX2021011421A (es) 2019-03-23 2020-03-23 Un codificador, un decodificador y métodos correspondientes para la intrapredicción.

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US (5) US11070799B2 (es)
EP (4) EP4307675A3 (es)
JP (4) JP7303322B2 (es)
KR (2) KR20210134402A (es)
CN (4) CN114650419B (es)
AU (4) AU2020246733B2 (es)
BR (2) BR112021018535A2 (es)
CA (2) CA3134410A1 (es)
ES (1) ES2966479T3 (es)
HU (1) HUE063890T2 (es)
MX (2) MX2021011419A (es)
PL (1) PL3932076T3 (es)
PT (1) PT3932076T (es)
SG (1) SG11202110425VA (es)
WO (2) WO2020192629A1 (es)

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MX2021011421A (es) 2022-01-06
KR20210135331A (ko) 2021-11-12
US20210314563A1 (en) 2021-10-07
US20210014505A1 (en) 2021-01-14
JP2022528049A (ja) 2022-06-08
EP4307675A2 (en) 2024-01-17
CN114173115A (zh) 2022-03-11
JP2022528050A (ja) 2022-06-08
AU2020246735B2 (en) 2023-11-09
AU2024200708A1 (en) 2024-02-22
EP3932076B1 (en) 2023-11-01
HUE063890T2 (hu) 2024-02-28
BR112021018535A2 (pt) 2021-11-23
EP3932076A4 (en) 2022-04-27
AU2020246733B2 (en) 2023-11-09
US11405610B2 (en) 2022-08-02
EP4277269A3 (en) 2024-03-06
CA3134398A1 (en) 2020-10-01
AU2024200707A1 (en) 2024-02-22
CN114650419B (zh) 2022-11-25
AU2020246735A1 (en) 2021-11-04
US20230025763A1 (en) 2023-01-26
EP3932057A4 (en) 2022-05-11
PL3932076T3 (pl) 2024-02-26
PT3932076T (pt) 2023-12-12
AU2020246733A1 (en) 2021-10-28
KR20210134402A (ko) 2021-11-09
CN114650419A (zh) 2022-06-21
US10986336B2 (en) 2021-04-20
EP3932076A1 (en) 2022-01-05
JP7401556B2 (ja) 2023-12-19
ES2966479T3 (es) 2024-04-22
JP7303322B2 (ja) 2023-07-04
EP4307675A3 (en) 2024-04-17
SG11202110425VA (en) 2021-10-28
JP2023118785A (ja) 2023-08-25
CN113615198A (zh) 2021-11-05
WO2020192629A1 (en) 2020-10-01
EP4277269A2 (en) 2023-11-15
CN114173115B (zh) 2022-10-11
BR112021018554A2 (pt) 2021-11-30
WO2020192625A1 (en) 2020-10-01
JP2024019426A (ja) 2024-02-09
EP3932057A1 (en) 2022-01-05
US11070799B2 (en) 2021-07-20
CN113615177A (zh) 2021-11-05
US20210360234A1 (en) 2021-11-18
CA3134410A1 (en) 2020-10-01
US20200413050A1 (en) 2020-12-31

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