MX2023006113A - Metodo y dispositivo de codificacion de video, metodo y dispositivo de descodificacion de video. - Google Patents

Metodo y dispositivo de codificacion de video, metodo y dispositivo de descodificacion de video.

Info

Publication number
MX2023006113A
MX2023006113A MX2023006113A MX2023006113A MX2023006113A MX 2023006113 A MX2023006113 A MX 2023006113A MX 2023006113 A MX2023006113 A MX 2023006113A MX 2023006113 A MX2023006113 A MX 2023006113A MX 2023006113 A MX2023006113 A MX 2023006113A
Authority
MX
Mexico
Prior art keywords
basis
coding
decoding method
context model
coding unit
Prior art date
Application number
MX2023006113A
Other languages
English (en)
Inventor
Min-Soo Park
Min-Woo Park
Bo-Ra Jin
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of MX2023006113A publication Critical patent/MX2023006113A/es

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Classifications

    • 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • 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
    • 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
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

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

Abstract

Se proporciona un método y aparato de codificación y un método y aparato de descodificación para seleccionar de manera adaptable un modelo de contexto usado para codificar por entropía y descodificar por entropía un elemento de sintaxis, con base en diversas formas de las unidades de codificación. El método de descodificación de representación visual incluye: determinar un modelo de contexto con base en información de forma de bloque que incluye por lo menos uno de una forma, dirección, anchura, relación de anchura y altura o tamaño de una unidad de codificación; obtener, a partir de una corriente de bits con base en el modelo de contexto, información acerca de un modo de forma de división para dividir la unidad de codificación; y determinar un modo de forma de división de la unidad de codificación, con base en la información acerca del modo de forma de división.
MX2023006113A 2017-07-07 2019-12-13 Metodo y dispositivo de codificacion de video, metodo y dispositivo de descodificacion de video. MX2023006113A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201762529556P 2017-07-07 2017-07-07

Publications (1)

Publication Number Publication Date
MX2023006113A true MX2023006113A (es) 2023-06-08

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
MX2019015090A MX2019015090A (es) 2017-07-07 2018-03-30 Metodo y dispositivo de codificacion de video, metodo y dispositivo de descodificacion de video.
MX2023006113A MX2023006113A (es) 2017-07-07 2019-12-13 Metodo y dispositivo de codificacion de video, metodo y dispositivo de descodificacion de video.
MX2023006112A MX2023006112A (es) 2017-07-07 2019-12-13 Metodo y dispositivo de codificacion de video, metodo y dispositivo de descodificacion de video.

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MX2019015090A MX2019015090A (es) 2017-07-07 2018-03-30 Metodo y dispositivo de codificacion de video, metodo y dispositivo de descodificacion de video.

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MX2023006112A MX2023006112A (es) 2017-07-07 2019-12-13 Metodo y dispositivo de codificacion de video, metodo y dispositivo de descodificacion de video.

Country Status (7)

Country Link
US (3) US11330259B2 (es)
EP (1) EP3621305A4 (es)
KR (3) KR102343333B1 (es)
CN (4) CN114466188A (es)
MX (3) MX2019015090A (es)
SG (1) SG11201911621SA (es)
WO (1) WO2019009503A1 (es)

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FR3086486A1 (fr) * 2018-09-21 2020-03-27 Orange Procedes et dispositifs de codage et de decodage d'un flux de donnees representatif d'au moins une image.
KR102625145B1 (ko) * 2018-12-17 2024-01-16 삼성전자주식회사 예측 모드를 시그널링하는 비디오 신호 처리 방법 및 장치
BR112021017154A2 (pt) * 2019-03-05 2021-11-09 Fraunhofer Ges Forschung Aparelho que compreende um codificador ou decodificador, método para codificar ou decodificar dados de imagem ou de vídeo e produto de programa de computador
MY189399A (en) 2019-03-21 2022-02-09 Samsung Electronics Co Ltd Method and device for encoding video having block size set for each block shape, and method and device for decoding video
WO2021037053A1 (en) 2019-08-27 2021-03-04 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods of cabac coding for the indices of geometric partition flag

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Also Published As

Publication number Publication date
EP3621305A4 (en) 2020-03-25
US11949864B2 (en) 2024-04-02
US20210152823A1 (en) 2021-05-20
KR102343333B1 (ko) 2021-12-24
SG11201911621SA (en) 2020-01-30
US20220272339A1 (en) 2022-08-25
EP3621305A1 (en) 2020-03-11
US11652995B2 (en) 2023-05-16
KR102205905B1 (ko) 2021-01-21
KR20190139288A (ko) 2019-12-17
CN114449269A (zh) 2022-05-06
MX2019015090A (es) 2020-02-13
CN110832857B (zh) 2022-04-15
US20230254486A1 (en) 2023-08-10
US11330259B2 (en) 2022-05-10
MX2023006112A (es) 2023-06-08
KR20210156351A (ko) 2021-12-24
CN114466188A (zh) 2022-05-10
CN114449269B (zh) 2023-03-28
KR20210006028A (ko) 2021-01-15
CN114554222A (zh) 2022-05-27
WO2019009503A1 (ko) 2019-01-10
CN110832857A (zh) 2020-02-21
CN114554222B (zh) 2023-03-28

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