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MX2014012847A - Generacion de valores de subpixeles para formatos de muestreo de colores diferentes. - Google Patents

Generacion de valores de subpixeles para formatos de muestreo de colores diferentes.

Info

Publication number
MX2014012847A
MX2014012847A MX2014012847A MX2014012847A MX2014012847A MX 2014012847 A MX2014012847 A MX 2014012847A MX 2014012847 A MX2014012847 A MX 2014012847A MX 2014012847 A MX2014012847 A MX 2014012847A MX 2014012847 A MX2014012847 A MX 2014012847A
Authority
MX
Mexico
Prior art keywords
image
interpolated
prediction unit
resolution
stored
Prior art date
Application number
MX2014012847A
Other languages
English (en)
Other versions
MX343351B (es
Inventor
Nicholas Ian Saunders
Karl James Sharman
Paul James Silcock
James Alexander Gamei
Original Assignee
Sony 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.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of MX2014012847A publication Critical patent/MX2014012847A/es
Publication of MX343351B publication Critical patent/MX343351B/es

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    • H04N19/186—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 colour or a chrominance component
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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)

Abstract

Un método de codificación o decodificación de vídeo usando la predicción inter-imagen para codificar datos de vídeo de entrada en el que cada componente de crominancia tiene 1/M de la resolución horizontal del componente de luminancia y 1/N de la resolución vertical del componente de luminancia, donde M y N son números enteros iguales a 1 o más, comprende: almacenar una o más imágenes que precedan a una imagen actual; interpolar una versión de mayor resolución de las unidades de predicción de las imágenes almacenadas de manera que el componente de luminancia de una unidad de predicción interpolada tiene una resolución horizontal P veces que la de la parte correspondiente de la imagen almacenada y una resolución vertical Q veces de la parte correspondiente de la imagen almacenada, donde P y Q son números enteros mayores que 1; detectar inter-imagen en movimiento entre una imagen actual y uno o más imágenes almacenadas interpoladas para generar vectores de movimiento entre una unidad de predicción de la imagen actual y las áreas de una o más imágenes precedentes; y la generación de una predicción con compensación de movimiento de la unidad de predicción de la imagen actual con respecto a un área de una imagen almacenada interpolada señalada por un vector de movimiento respectivo; en el que la etapa de interpolación comprende: aplicar un filtro de interpolación horizontal xR y vertical xS a los componentes de crominancia de una imagen almacenada para generar una unidad de predicción de crominancia interpolada, donde R es igual a (U x M x P) y S es igual a (V x N x Q), U y V son números enteros iguales a 1 o más; el submuestreo y la unidad de predicción de crominancia interpolada, de tal manera que su resolución horizontal, se divide por un factor de V y su resolución vertical se divide por un factor de V, lo que da como resultado un bloque de muestras MP x NQ.
MX2014012847A 2012-04-26 2013-04-26 Generación de valores de subpixeles para formatos de muestreo de colores diferentes. MX343351B (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB1207459.7A GB2501535A (en) 2012-04-26 2012-04-26 Chrominance Processing in High Efficiency Video Codecs
GB1211073.0A GB2501551A (en) 2012-04-26 2012-06-22 Partitioning Image Data into Coding, Prediction and Transform Units in 4:2:2 HEVC Video Data Encoding and Decoding
GB1211072.2A GB2501550A (en) 2012-04-26 2012-06-22 Subsampling Interpolated Chrominance Prediction Units in Video Encoding and Decoding
PCT/GB2013/051076 WO2013160699A1 (en) 2012-04-26 2013-04-26 Generating subpixel values for different color sampling formats

Publications (2)

Publication Number Publication Date
MX2014012847A true MX2014012847A (es) 2015-10-22
MX343351B MX343351B (es) 2016-11-03

Family

ID=46330504

Family Applications (3)

Application Number Title Priority Date Filing Date
MX2014012565A MX346235B (es) 2012-04-26 2013-04-26 Método y aparato para el procesamiento de la crominancia en la codificación y la decodificación de video.
MX2014012846A MX345237B (es) 2012-04-26 2013-04-26 Derivacion de modo de intra - prediccion para valores de crominancia.
MX2014012847A MX343351B (es) 2012-04-26 2013-04-26 Generación de valores de subpixeles para formatos de muestreo de colores diferentes.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
MX2014012565A MX346235B (es) 2012-04-26 2013-04-26 Método y aparato para el procesamiento de la crominancia en la codificación y la decodificación de video.
MX2014012846A MX345237B (es) 2012-04-26 2013-04-26 Derivacion de modo de intra - prediccion para valores de crominancia.

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US (20) US9948929B2 (es)
EP (8) EP2842321A2 (es)
JP (11) JP2015518339A (es)
KR (6) KR20170041288A (es)
CN (14) CN104285445A (es)
AU (5) AU2013254444B2 (es)
BR (3) BR112014026021B1 (es)
CA (6) CA2870602C (es)
GB (13) GB2501535A (es)
MX (3) MX346235B (es)
RU (4) RU2603548C2 (es)
TW (5) TWI711301B (es)
WO (9) WO2013160656A2 (es)

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