MX2021007708A - Dispositivo de codificacion de imagenes en movimiento, metodo de codificacion de imagenes en movimiento, programa de codificacion de imagenes en movimiento, dispositivo de decodificacion de imagenes en movimiento, metodo de decodificacion de imagenes en movimiento y programa de decodificacion de imagenes en movimiento. - Google Patents

Dispositivo de codificacion de imagenes en movimiento, metodo de codificacion de imagenes en movimiento, programa de codificacion de imagenes en movimiento, dispositivo de decodificacion de imagenes en movimiento, metodo de decodificacion de imagenes en movimiento y programa de decodificacion de imagenes en movimiento.

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Publication number
MX2021007708A
MX2021007708A MX2021007708A MX2021007708A MX2021007708A MX 2021007708 A MX2021007708 A MX 2021007708A MX 2021007708 A MX2021007708 A MX 2021007708A MX 2021007708 A MX2021007708 A MX 2021007708A MX 2021007708 A MX2021007708 A MX 2021007708A
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MX
Mexico
Prior art keywords
dynamic
affine
image encoding
merge candidate
image
Prior art date
Application number
MX2021007708A
Other languages
English (en)
Inventor
Toru Kumakura
Shigeru Fukushima
Hiroya Nakamura
Hideki Takehara
Hiroyuki Kurashige
Satoru Sakazume
Original Assignee
Jvckenwood Corp
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.)
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Publication date
Application filed by Jvckenwood Corp filed Critical Jvckenwood Corp
Publication of MX2021007708A publication Critical patent/MX2021007708A/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
    • H04N19/50—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
    • H04N19/527—Global motion vector estimation
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/189—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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/50—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
    • 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
    • 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
    • H04N19/70—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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process

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 tecnología para mejorar la eficiencia de la codificación mediante la modalidad de una división de bloques adecuada para la codificación y decodificación de imágenes. Un dispositivo de codificación de imágenes en movimiento para realizar una transformada afín en unidades de bloques de codificación incluye una unidad de derivación de candidato de fusión de herencia afín configurada para derivar un candidato de fusión de herencia afín para heredar un modelo afín de bloques adyacentes a un bloque objetivo de codificación en un dominio espacial, una unidad de derivación de candidato de fusión de construcción afín configurada para derivar un candidato de fusión de construcción afín a partir de una pluralidad de elementos de información de movimiento de bloques adyacentes al bloque objetivo de codificación en un dominio de espacio o tiempo, y una unidad de derivación de candidato de fusión de fijación afín configurada para derivar un candidato de fusión de fijación afín en el que se fija la información de movimiento de un punto de control afín. Un vector de movimiento de cada punto de control afín se fija a (0, 0) en el candidato de fusión de fijación afín.
MX2021007708A 2018-12-28 2019-12-20 Dispositivo de codificacion de imagenes en movimiento, metodo de codificacion de imagenes en movimiento, programa de codificacion de imagenes en movimiento, dispositivo de decodificacion de imagenes en movimiento, metodo de decodificacion de imagenes en movimiento y programa de decodificacion de imagenes en movimiento. MX2021007708A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018247409 2018-12-28
PCT/JP2019/050012 WO2020137850A1 (ja) 2018-12-28 2019-12-20 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、動画像復号装置、動画像復号方法及び動画像復号プログラム

Publications (1)

Publication Number Publication Date
MX2021007708A true MX2021007708A (es) 2021-08-05

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MX2021007708A MX2021007708A (es) 2018-12-28 2019-12-20 Dispositivo de codificacion de imagenes en movimiento, metodo de codificacion de imagenes en movimiento, programa de codificacion de imagenes en movimiento, dispositivo de decodificacion de imagenes en movimiento, metodo de decodificacion de imagenes en movimiento y programa de decodificacion de imagenes en movimiento.

Country Status (8)

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US (4) US11503278B2 (es)
EP (1) EP3905688A4 (es)
JP (5) JP6763466B2 (es)
KR (2) KR20230137505A (es)
CN (2) CN112352433A (es)
BR (1) BR112021012479A2 (es)
MX (1) MX2021007708A (es)
WO (1) WO2020137850A1 (es)

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CN112954366A (zh) 2021-06-11
KR20230137505A (ko) 2023-10-04
US20230020931A1 (en) 2023-01-19
JP7015013B2 (ja) 2022-02-02
JP2023165848A (ja) 2023-11-17
JP2020109964A (ja) 2020-07-16
US20230328232A1 (en) 2023-10-12
BR112021012479A2 (pt) 2021-09-08
WO2020137850A1 (ja) 2020-07-02
CN112352433A (zh) 2021-02-09
JP2020195165A (ja) 2020-12-03
US11917133B2 (en) 2024-02-27
EP3905688A1 (en) 2021-11-03
JP2022051734A (ja) 2022-04-01
JP7331916B2 (ja) 2023-08-23
JP2023129691A (ja) 2023-09-14
US11503278B2 (en) 2022-11-15
US20230328230A1 (en) 2023-10-12
JP6763466B2 (ja) 2020-09-30
EP3905688A4 (en) 2022-09-28
US20210243436A1 (en) 2021-08-05
KR20210015899A (ko) 2021-02-10
KR102583811B1 (ko) 2023-09-26

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