MX2023010008A - Metodo y aparato de codificacion de datos de imagen y metodo y aparato de decodificacion de datos de imagen. - Google Patents

Metodo y aparato de codificacion de datos de imagen y metodo y aparato de decodificacion de datos de imagen.

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Publication number
MX2023010008A
MX2023010008A MX2023010008A MX2023010008A MX2023010008A MX 2023010008 A MX2023010008 A MX 2023010008A MX 2023010008 A MX2023010008 A MX 2023010008A MX 2023010008 A MX2023010008 A MX 2023010008A MX 2023010008 A MX2023010008 A MX 2023010008A
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MX
Mexico
Prior art keywords
node
dividing
image data
information
dividing scheme
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Application number
MX2023010008A
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English (en)
Inventor
Haitao Yang
Yin Zhao
Shan Liu
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Huawei Tech Co Ltd
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Publication of MX2023010008A publication Critical patent/MX2023010008A/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
    • H04N19/169Methods 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
    • H04N19/172Methods 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 picture, frame or field
    • 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
    • H04N19/96Tree coding, e.g. quad-tree 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
    • H04N19/10Methods 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
    • H04N19/103Selection 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • 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
    • H04N19/182Methods 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 pixel
    • 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
    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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

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

Abstract

Modalidades de esta solicitud describen un método y aparato de codificación de datos de imagen y un método y aparato de decodificación de datos de imagen, y se refiere al campo de procesamiento de imágenes, para resolver un problema de complejidad de codificación relativamente alta. El método de decodificación incluye: obtener un flujo de bits que incluye datos de imagen; analizar el flujo de bits para obtener información de modo de división de nodo de un árbol de codificación de primer nivel e información de modo de división de nodo de un árbol de codificación de segundo nivel, donde la información de modo de división de nodo del árbol de codificación de segundo nivel indica un modo de división que corresponde a un primer nodo del árbol de codificación de segundo nivel, el modo de división que corresponde al primer nodo es un modo en un conjunto de modos de división candidatos que corresponde al primer nodo y que se determina de acuerdo con una primera condición de división preestablecida, y la primera condición de división preestablecida se utiliza para indicar si se debe restringir que el primer nodo se divida en un modo de división objetivo; si el modo de división que corresponde al primer nodo no se divide de forma adicional, analizar el flujo de bits para obtener información de codificación del primer nodo; y decodificar y reconstruir, con base en la información de codificación del primer nodo, una unidad de codificación que corresponde al primer nodo, para obtener una imagen que corresponde a los datos de imagen.
MX2023010008A 2017-06-28 2020-01-08 Metodo y aparato de codificacion de datos de imagen y metodo y aparato de decodificacion de datos de imagen. MX2023010008A (es)

Applications Claiming Priority (1)

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CN201710509138.8A CN109151468B (zh) 2017-06-28 2017-06-28 一种图像数据的编码、解码方法及装置

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US (4) US10834430B2 (es)
EP (1) EP3637782A4 (es)
JP (3) JP6915105B2 (es)
KR (2) KR102478441B1 (es)
CN (5) CN112601085A (es)
AU (2) AU2018290360B9 (es)
BR (1) BR112019027732A2 (es)
CA (1) CA3068551A1 (es)
MX (2) MX2023010006A (es)
PH (1) PH12020500016A1 (es)
RU (1) RU2754870C2 (es)
SG (1) SG11201913535UA (es)
TW (1) TWI674790B (es)
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KR20210133320A (ko) 2021-11-05
US11277648B2 (en) 2022-03-15
US20200137424A1 (en) 2020-04-30
US10834430B2 (en) 2020-11-10
CN112822491B (zh) 2024-05-03
SG11201913535UA (en) 2020-01-30
AU2018290360A1 (en) 2020-01-30
JP2023029940A (ja) 2023-03-07
US20220124377A1 (en) 2022-04-21
CN112601085A (zh) 2021-04-02
EP3637782A4 (en) 2020-07-01
US11695968B2 (en) 2023-07-04
CN109151468B (zh) 2020-12-08
TWI674790B (zh) 2019-10-11
RU2020103339A3 (es) 2021-07-28
KR102320023B1 (ko) 2021-10-29
AU2018290360B9 (en) 2023-01-05
JP7189282B2 (ja) 2022-12-13
BR112019027732A2 (pt) 2020-08-18
AU2018290360B2 (en) 2022-12-08
EP3637782A1 (en) 2020-04-15
PH12020500016A1 (en) 2020-11-09
WO2019001006A1 (zh) 2019-01-03
TW201914300A (zh) 2019-04-01
CN112601083A (zh) 2021-04-02
CN112601084A (zh) 2021-04-02
AU2023201428A1 (en) 2023-04-06
RU2020103339A (ru) 2021-07-28
JP6915105B2 (ja) 2021-08-04
US20210044837A1 (en) 2021-02-11
AU2023201428B2 (en) 2024-02-08
RU2754870C2 (ru) 2021-09-08
KR102478441B1 (ko) 2022-12-15
US20230370647A1 (en) 2023-11-16
CN112822491A (zh) 2021-05-18
CN109151468A (zh) 2019-01-04
JP7437485B2 (ja) 2024-02-22
MX2023010006A (es) 2023-09-07
JP2020526128A (ja) 2020-08-27
KR20200020915A (ko) 2020-02-26
JP2021180505A (ja) 2021-11-18
CA3068551A1 (en) 2019-01-03

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