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MX2023011736A - 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
MX2023011736A
MX2023011736A MX2023011736A MX2023011736A MX2023011736A MX 2023011736 A MX2023011736 A MX 2023011736A MX 2023011736 A MX2023011736 A MX 2023011736A MX 2023011736 A MX2023011736 A MX 2023011736A MX 2023011736 A MX2023011736 A MX 2023011736A
Authority
MX
Mexico
Prior art keywords
current block
affine parameter
parameter group
affine
decoding method
Prior art date
Application number
MX2023011736A
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 MX2023011736A publication Critical patent/MX2023011736A/es

Links

Classifications

    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • 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
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/134—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
    • 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
    • H04N19/134—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/134—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
    • 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
    • H04N19/17—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
    • 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
    • H04N19/189—Methods 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
    • H04N19/196—Methods 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
    • 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
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing 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.
MX2023011736A 2017-09-28 2020-03-06 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion. MX2023011736A (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
MX2023011736A true MX2023011736A (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.
MX2023011745A MX2023011745A (es) 2017-09-28 2020-03-06 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.
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.
MX2023011745A MX2023011745A (es) 2017-09-28 2020-03-06 Metodo y dispositivo de codificacion, y metodo y dispositivo de decodificacion.

Family Applications After (1)

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Country Status (7)

Country Link
US (3) US11363267B2 (es)
EP (1) EP3691270A4 (es)
KR (6) KR102317094B1 (es)
CN (5) CN111183642B (es)
BR (1) BR112020005097A2 (es)
MX (4) MX2020002586A (es)
WO (1) WO2019066574A1 (es)

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Also Published As

Publication number Publication date
CN116996668A (zh) 2023-11-03
KR102591095B1 (ko) 2023-10-19
KR102487598B1 (ko) 2023-01-12
US20220312011A1 (en) 2022-09-29
CN117014604A (zh) 2023-11-07
US11363267B2 (en) 2022-06-14
MX2023011745A (es) 2023-10-13
KR20200028011A (ko) 2020-03-13
BR112020005097A2 (pt) 2020-09-15
KR20210127816A (ko) 2021-10-22
CN111183642A (zh) 2020-05-19
CN111183642B (zh) 2023-09-15
KR20230010066A (ko) 2023-01-17
MX2023011735A (es) 2023-10-13
US20200221087A1 (en) 2020-07-09
EP3691270A4 (en) 2021-06-02
EP3691270A1 (en) 2020-08-05
KR20230149330A (ko) 2023-10-26
KR20240096664A (ko) 2024-06-26
US12160575B2 (en) 2024-12-03
KR102317094B1 (ko) 2021-10-25
CN116996667A (zh) 2023-11-03
WO2019066574A1 (ko) 2019-04-04
US20250047846A1 (en) 2025-02-06
KR102775025B1 (ko) 2025-03-04
CN116996669A (zh) 2023-11-03
KR20250030031A (ko) 2025-03-05
KR102672759B1 (ko) 2024-06-05
MX2020002586A (es) 2020-07-20

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