MX346235B - Método y aparato para el procesamiento de la crominancia en la codificación y la decodificación de video. - Google Patents
Método y aparato para el procesamiento de la crominancia en la codificación y la decodificación de video.Info
- Publication number
- MX346235B MX346235B MX2014012565A MX2014012565A MX346235B MX 346235 B MX346235 B MX 346235B MX 2014012565 A MX2014012565 A MX 2014012565A MX 2014012565 A MX2014012565 A MX 2014012565A MX 346235 B MX346235 B MX 346235B
- Authority
- MX
- Mexico
- Prior art keywords
- video coding
- square
- transform
- transform units
- spatial frequency
- Prior art date
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N11/00—Colour television systems
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- H04N19/102—Methods 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
- H04N19/103—Selection of coding mode or of prediction mode
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- H04N19/103—Selection of coding mode or of prediction mode
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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 de video con respecto al formato de submuestreo de croma 4:2:2 comprende dividir los datos de imagen en unidades de transformación; en el caso de una unidad de transformación no cuadrada, dividir la unidad de transformación no cuadrada en bloques cuadrados antes de aplicar la transformación de frecuencia espacial; y aplicar la transformación de frecuencia espacial a los bloques cuadrados para generar conjuntos de coeficientes de frecuencia espacial.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1207459.7A GB2501535A (en) | 2012-04-26 | 2012-04-26 | Chrominance Processing in High Efficiency Video Codecs |
PCT/GB2013/051070 WO2013160693A2 (en) | 2012-04-26 | 2013-04-26 | Method and apparatus for chrominance processing in video coding and decoding |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2014012565A MX2014012565A (es) | 2014-12-05 |
MX346235B true MX346235B (es) | 2017-03-13 |
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 Before (1)
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. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2014012846A MX345237B (es) | 2012-04-26 | 2013-04-26 | Derivacion de modo de intra - prediccion para valores de crominancia. |
Country Status (13)
Country | Link |
---|---|
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)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
GB2513111A (en) | 2013-04-08 | 2014-10-22 | Sony Corp | Data encoding and decoding |
WO2014166965A1 (en) * | 2013-04-08 | 2014-10-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Inter-component prediction |
GB2513110A (en) | 2013-04-08 | 2014-10-22 | Sony Corp | Data encoding and decoding |
WO2014166381A1 (en) | 2013-04-09 | 2014-10-16 | Mediatek Singapore Pte. Ltd. | Method and apparatus for non-square intra mode coding |
US9686561B2 (en) * | 2013-06-17 | 2017-06-20 | Qualcomm Incorporated | Inter-component filtering |
EP3021578B1 (en) * | 2013-07-10 | 2019-01-02 | KDDI Corporation | Sub-sampling of reference pixels for chroma prediction based on luma intra prediction mode |
NZ715990A (en) * | 2013-07-24 | 2019-11-29 | Microsoft Technology Licensing Llc | Scanning orders for non-transform coding |
US9294766B2 (en) * | 2013-09-09 | 2016-03-22 | Apple Inc. | Chroma quantization in video coding |
US9813737B2 (en) * | 2013-09-19 | 2017-11-07 | Blackberry Limited | Transposing a block of transform coefficients, based upon an intra-prediction mode |
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