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MX2023011735A - Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion. - Google Patents

Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion.

Info

Publication number
MX2023011735A
MX2023011735A MX2023011735A MX2023011735A MX2023011735A MX 2023011735 A MX2023011735 A MX 2023011735A MX 2023011735 A MX2023011735 A MX 2023011735A MX 2023011735 A MX2023011735 A MX 2023011735A MX 2023011735 A MX2023011735 A MX 2023011735A
Authority
MX
Mexico
Prior art keywords
current block
related parameters
group
decoding method
candidates
Prior art date
Application number
MX2023011735A
Other languages
English (en)
Inventor
Yin-Ji Piao
Anish Tamse
Jin-Young Lee
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 MX2023011735A publication Critical patent/MX2023011735A/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
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • 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
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/169Methods 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
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding

Landscapes

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

Abstract

Se proporciona un método de decodificación de video que comprende los pasos siguientes: obtener los candidatos de un grupo de parámetros afines de un bloque actual con base en si los bloques adyacentes del bloque actual están decodificados; determinar un grupo de parámetros afines, del bloque actual, entre los candidatos del grupo de parámetros afines de acuerdo con la información de los parámetros afines del bloque actual; y restaurar el bloque actual sobre la base de uno o más parámetros afines comprendidos en el grupo de parámetros afines.
MX2023011735A 2017-09-28 2020-03-06 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion. MX2023011735A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201762564697P 2017-09-28 2017-09-28

Publications (1)

Publication Number Publication Date
MX2023011735A true MX2023011735A (es) 2023-10-13

Family

ID=65903014

Family Applications (4)

Application Number Title Priority Date Filing Date
MX2020002586A MX2020002586A (es) 2017-09-28 2018-09-28 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion.
MX2023011736A MX2023011736A (es) 2017-09-28 2020-03-06 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion.
MX2023011745A MX2023011745A (es) 2017-09-28 2020-03-06 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion.
MX2023011735A MX2023011735A (es) 2017-09-28 2020-03-06 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion.

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MX2020002586A MX2020002586A (es) 2017-09-28 2018-09-28 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion.
MX2023011736A MX2023011736A (es) 2017-09-28 2020-03-06 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion.
MX2023011745A MX2023011745A (es) 2017-09-28 2020-03-06 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion.

Country Status (7)

Country Link
US (3) US11363267B2 (es)
EP (1) EP3691270A4 (es)
KR (6) KR102487598B1 (es)
CN (5) CN116996667A (es)
BR (1) BR112020005097A2 (es)
MX (4) MX2020002586A (es)
WO (1) WO2019066574A1 (es)

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Also Published As

Publication number Publication date
KR102317094B1 (ko) 2021-10-25
US20200221087A1 (en) 2020-07-09
CN116996669A (zh) 2023-11-03
MX2023011736A (es) 2023-10-13
KR20250030031A (ko) 2025-03-05
US12160575B2 (en) 2024-12-03
MX2020002586A (es) 2020-07-20
CN111183642B (zh) 2023-09-15
KR102672759B1 (ko) 2024-06-05
CN116996667A (zh) 2023-11-03
KR20240096664A (ko) 2024-06-26
US20250047846A1 (en) 2025-02-06
KR20200028011A (ko) 2020-03-13
CN117014604A (zh) 2023-11-07
MX2023011745A (es) 2023-10-13
US11363267B2 (en) 2022-06-14
EP3691270A1 (en) 2020-08-05
KR102487598B1 (ko) 2023-01-12
KR102775025B1 (ko) 2025-03-04
EP3691270A4 (en) 2021-06-02
CN116996668A (zh) 2023-11-03
WO2019066574A1 (ko) 2019-04-04
KR102591095B1 (ko) 2023-10-19
KR20230149330A (ko) 2023-10-26
KR20230010066A (ko) 2023-01-17
CN111183642A (zh) 2020-05-19
KR20210127816A (ko) 2021-10-22
US20220312011A1 (en) 2022-09-29
BR112020005097A2 (pt) 2020-09-15

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