MX2021003800A - Método de predicción de imágenes y aparato de predicción de imágenes. - Google Patents
Método de predicción de imágenes y aparato de predicción de imágenes.Info
- Publication number
- MX2021003800A MX2021003800A MX2021003800A MX2021003800A MX2021003800A MX 2021003800 A MX2021003800 A MX 2021003800A MX 2021003800 A MX2021003800 A MX 2021003800A MX 2021003800 A MX2021003800 A MX 2021003800A MX 2021003800 A MX2021003800 A MX 2021003800A
- Authority
- MX
- Mexico
- Prior art keywords
- pixel units
- pixel
- motion vectors
- resolution
- control points
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 239000013598 vector Substances 0.000 abstract 5
- 238000001914 filtration Methods 0.000 abstract 1
Classifications
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- 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
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- G06—COMPUTING; CALCULATING OR COUNTING
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- H04N19/103—Selection of coding mode or of prediction mode
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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.
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 |
Publications (1)
Publication Number | Publication Date |
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MX2021003800A true MX2021003800A (es) | 2023-02-01 |
Family
ID=57684872
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2018000067A MX2018000067A (es) | 2015-07-03 | 2016-06-29 | Metodo de prediccion de imagenes y aparato de prediccion de imagenes. |
MX2021003800A MX2021003800A (es) | 2015-07-03 | 2016-06-29 | Método de predicción de imágenes y aparato de predicción de imágenes. |
MX2023000807A MX2023000807A (es) | 2015-07-03 | 2018-01-08 | Metodo de prediccion de imagenes y aparato de prediccion de imagenes. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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MX2018000067A MX2018000067A (es) | 2015-07-03 | 2016-06-29 | Metodo de prediccion de imagenes y aparato de prediccion de imagenes. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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MX2023000807A MX2023000807A (es) | 2015-07-03 | 2018-01-08 | Metodo de prediccion de imagenes y aparato de prediccion de imagenes. |
Country Status (12)
Country | Link |
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US (4) | US10560714B2 (es) |
EP (1) | EP3306934B1 (es) |
JP (6) | JP6776276B2 (es) |
KR (4) | KR102549824B1 (es) |
CN (2) | CN106331722B (es) |
AU (1) | AU2016290017B2 (es) |
MX (3) | MX2018000067A (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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