MX343351B - Generación de valores de subpixeles para formatos de muestreo de colores diferentes. - Google Patents
Generación de valores de subpixeles para formatos de muestreo de colores diferentes.Info
- Publication number
- MX343351B MX343351B MX2014012847A MX2014012847A MX343351B MX 343351 B MX343351 B MX 343351B MX 2014012847 A MX2014012847 A MX 2014012847A MX 2014012847 A MX2014012847 A MX 2014012847A MX 343351 B MX343351 B MX 343351B
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- Mexico
- Prior art keywords
- image
- interpolated
- prediction unit
- resolution
- stored
- Prior art date
Links
- 238000005070 sampling Methods 0.000 title 1
- 239000013598 vector Substances 0.000 abstract 2
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- 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
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
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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.
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 |
GB1211072.2A GB2501550A (en) | 2012-04-26 | 2012-06-22 | Subsampling Interpolated Chrominance Prediction Units in Video Encoding and Decoding |
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 |
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 |
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MX2014012847A MX2014012847A (es) | 2015-10-22 |
MX343351B true MX343351B (es) | 2016-11-03 |
Family
ID=46330504
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2014012847A MX343351B (es) | 2012-04-26 | 2013-04-26 | Generación de valores de subpixeles para formatos de muestreo de colores diferentes. |
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. |
Family Applications After (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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Country | Link |
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US (20) | US9948929B2 (es) |
EP (8) | EP2842321A2 (es) |
JP (11) | JP2015518339A (es) |
KR (6) | KR101840025B1 (es) |
CN (14) | CN104285445A (es) |
AU (5) | AU2013254443A1 (es) |
BR (3) | BR112014026021B1 (es) |
CA (6) | CA2870591C (es) |
GB (13) | GB2501535A (es) |
MX (3) | MX343351B (es) |
RU (4) | RU2603548C2 (es) |
TW (5) | TWI611689B (es) |
WO (9) | WO2013160656A2 (es) |
Families Citing this family (213)
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RU2549157C1 (ru) * | 2010-04-23 | 2015-04-20 | М энд К ХОЛДИНГС ИНК. | Устройство для кодирования движущегося изображения |
CN103283237B (zh) * | 2010-12-22 | 2017-03-22 | Lg电子株式会社 | 帧内预测方法和使用该方法的设备 |
US10645398B2 (en) * | 2011-10-25 | 2020-05-05 | Texas Instruments Incorporated | Sample-based angular intra-prediction in video coding |
EP2777250B1 (en) * | 2011-11-07 | 2017-05-31 | Intel Corporation | Cross-channel residual prediction |
GB2501535A (en) | 2012-04-26 | 2013-10-30 | Sony Corp | Chrominance Processing in High Efficiency Video Codecs |
US9591302B2 (en) * | 2012-07-02 | 2017-03-07 | Microsoft Technology Licensing, Llc | Use of chroma quantization parameter offsets in deblocking |
US9414054B2 (en) | 2012-07-02 | 2016-08-09 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
AU2012232992A1 (en) | 2012-09-28 | 2014-04-17 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding the transform units of a coding unit |
US9667994B2 (en) | 2012-10-01 | 2017-05-30 | Qualcomm Incorporated | Intra-coding for 4:2:2 sample format in video coding |
RU2641223C2 (ru) * | 2012-11-08 | 2018-01-16 | Кэнон Кабусики Кайся | Способ, устройство и система для кодирования и декодирования единиц преобразования единицы кодирования |
US9743091B2 (en) | 2012-12-17 | 2017-08-22 | Lg Electronics Inc. | Method for encoding/decoding image, and device using same |
JP6005572B2 (ja) * | 2013-03-28 | 2016-10-12 | Kddi株式会社 | 動画像符号化装置、動画像復号装置、動画像符号化方法、動画像復号方法、およびプログラム |
HUE056673T2 (hu) | 2013-03-29 | 2022-02-28 | Jvckenwood Corp | Képdekódoló készülék, képdekódoló eljárás és képdekódoló program |
AU2013202653A1 (en) * | 2013-04-05 | 2014-10-23 | Canon Kabushiki Kaisha | Method, apparatus and system for generating intra-predicted samples |
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