MX2018000067A - Metodo de prediccion de imagenes y aparato de prediccion de imagenes. - Google Patents

Metodo de prediccion de imagenes y aparato de prediccion de imagenes.

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Publication number
MX2018000067A
MX2018000067A MX2018000067A MX2018000067A MX2018000067A MX 2018000067 A MX2018000067 A MX 2018000067A MX 2018000067 A MX2018000067 A MX 2018000067A MX 2018000067 A MX2018000067 A MX 2018000067A MX 2018000067 A MX2018000067 A MX 2018000067A
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MX
Mexico
Prior art keywords
pixel units
pixel
motion vectors
resolution
control points
Prior art date
Application number
MX2018000067A
Other languages
English (en)
Inventor
Lin Sixin
Yang Haitao
HUANG Ruopu
Original Assignee
Huawei Tech Co Ltd
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Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2018000067A publication Critical patent/MX2018000067A/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
    • H04N19/513—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
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    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
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    • G—PHYSICS
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    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
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    • H04N19/103—Selection of coding mode or of prediction mode
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    • 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
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    • H04N19/182—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 a pixel
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    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Se describen un método de predicción de imágenes y un aparato relacionado. El método de predicción de imágenes incluye: determinar los vectores de movimiento de W puntos de control en un bloque de imágenes actual; obtener, por medio de cálculo, los vectores de movimiento de P unidades de pixeles del bloque de imágenes actual al utilizar un modelo de movimiento y los vectores de movimiento de los W puntos de control, donde la precisión de los vectores de movimiento determinados de los W puntos de control es 1/n de precisión de pixeles, la precisión de un vector de movimiento que se obtiene por medio de cálculo y que es de cada una de las P unidades de pixeles es 1/N de la precisión de pixeles, las P unidades de pixeles son algunas o todas las unidades de pixeles del bloque de imágenes actual, y N es mayor a n; y realizar la filtración de interpolación en un pixel de una unidad de pixeles de referencia correspondiente, en una imagen de referencia, de cada una de las P unidades de pixeles al utilizar un filtro de interpolación con una fase de Q, para obtener un valor de pixeles predicho de cada una de las P unidades de pixeles, donde Q es mayor que n. Las soluciones técnicas proporcionadas en las modalidades de la presente invención ayudan a reducir la complejidad de cálculo durante un proceso de predicción de imágenes.
MX2018000067A 2015-07-03 2016-06-29 Metodo de prediccion de imagenes y aparato de prediccion de imagenes. MX2018000067A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510391765.7A CN106331722B (zh) 2015-07-03 2015-07-03 图像预测方法和相关设备
PCT/CN2016/087750 WO2017005128A1 (zh) 2015-07-03 2016-06-29 图像预测方法和相关设备

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MX2018000067A true MX2018000067A (es) 2018-03-16

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MX2021003800A MX2021003800A (es) 2015-07-03 2016-06-29 Método de predicción de imágenes y aparato de predicción de imágenes.
MX2018000067A MX2018000067A (es) 2015-07-03 2016-06-29 Metodo de prediccion de imagenes y aparato de prediccion de imagenes.
MX2023000807A MX2023000807A (es) 2015-07-03 2018-01-08 Metodo de prediccion de imagenes y aparato de prediccion de imagenes.

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US (5) US10560714B2 (es)
EP (2) EP3306934B1 (es)
JP (6) JP6776276B2 (es)
KR (4) KR102073638B1 (es)
CN (2) CN106331722B (es)
AU (1) AU2016290017B2 (es)
MX (3) MX2021003800A (es)
MY (1) MY191714A (es)
RU (2) RU2699258C2 (es)
SG (1) SG11201710800QA (es)
WO (1) WO2017005128A1 (es)
ZA (1) ZA201800017B (es)

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