GB2492189B - Method and device for processing colour information in an image - Google Patents
Method and device for processing colour information in an imageInfo
- Publication number
- GB2492189B GB2492189B GB1200920.5A GB201200920A GB2492189B GB 2492189 B GB2492189 B GB 2492189B GB 201200920 A GB201200920 A GB 201200920A GB 2492189 B GB2492189 B GB 2492189B
- Authority
- GB
- United Kingdom
- Prior art keywords
- image
- colour information
- processing colour
- processing
- information
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/02—Colour television systems with bandwidth reduction
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- 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
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—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
- 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
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/642—Multi-standard receivers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB201110591A GB2492130A (en) | 2011-06-22 | 2011-06-22 | Processing Colour Information in an Image Comprising Colour Component Sample Prediction Being Based on Colour Sampling Format |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201200920D0 GB201200920D0 (en) | 2012-02-29 |
GB2492189A GB2492189A (en) | 2012-12-26 |
GB2492189B true GB2492189B (en) | 2015-07-08 |
Family
ID=44454489
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB201110591A Withdrawn GB2492130A (en) | 2011-06-22 | 2011-06-22 | Processing Colour Information in an Image Comprising Colour Component Sample Prediction Being Based on Colour Sampling Format |
GB1200920.5A Active GB2492189B (en) | 2011-06-22 | 2012-01-19 | Method and device for processing colour information in an image |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB201110591A Withdrawn GB2492130A (en) | 2011-06-22 | 2011-06-22 | Processing Colour Information in an Image Comprising Colour Component Sample Prediction Being Based on Colour Sampling Format |
Country Status (2)
Country | Link |
---|---|
GB (2) | GB2492130A (en) |
WO (1) | WO2012175646A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2501535A (en) * | 2012-04-26 | 2013-10-30 | Sony Corp | Chrominance Processing in High Efficiency Video Codecs |
CN109274969B (en) * | 2017-07-17 | 2020-12-22 | 华为技术有限公司 | Method and apparatus for chroma prediction |
BR112020004557A2 (en) | 2017-09-15 | 2020-09-08 | Sony Corporation | device and image processing method. |
US11095921B2 (en) * | 2018-12-18 | 2021-08-17 | Tencent America LLC | Method and apparatus for video encoding or decoding |
KR20210125086A (en) * | 2019-02-22 | 2021-10-15 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Method and apparatus for intra prediction using a linear model |
WO2020236038A1 (en) * | 2019-05-21 | 2020-11-26 | Huawei Technologies Co., Ltd. | Method and apparatus of cross-component prediction |
CN114025168B (en) * | 2021-09-30 | 2023-08-04 | 浙江大华技术股份有限公司 | Video image processing method, processing device, electronic device and storage medium |
WO2024002675A1 (en) * | 2022-06-30 | 2024-01-04 | Interdigital Ce Patent Holdings, Sas | Simplification for cross-component intra prediction |
WO2024077520A1 (en) * | 2022-10-12 | 2024-04-18 | Oppo广东移动通信有限公司 | Encoding method, decoding method, code stream, encoder, decoder, and storage medium |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1950971A2 (en) * | 2007-01-12 | 2008-07-30 | Mitsubishi Electric Corporation | Moving image encoding device, moving image decoding device, moving image encoding method, and moving image decoding method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3413720B2 (en) * | 1998-06-26 | 2003-06-09 | ソニー株式会社 | Image encoding method and apparatus, and image decoding method and apparatus |
JP2003009160A (en) * | 2001-06-27 | 2003-01-10 | Pioneer Electronic Corp | Color format discriminating apparatus and color format discriminating method |
EP3484154A1 (en) * | 2006-10-25 | 2019-05-15 | GE Video Compression, LLC | Quality scalable coding |
-
2011
- 2011-06-22 GB GB201110591A patent/GB2492130A/en not_active Withdrawn
-
2012
- 2012-01-19 GB GB1200920.5A patent/GB2492189B/en active Active
- 2012-06-21 WO PCT/EP2012/062039 patent/WO2012175646A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1950971A2 (en) * | 2007-01-12 | 2008-07-30 | Mitsubishi Electric Corporation | Moving image encoding device, moving image decoding device, moving image encoding method, and moving image decoding method |
Non-Patent Citations (2)
Title |
---|
Luis F.R. Lucas et al, "17th IEEE International Conference on Image Processing" Hong Kong, 26 - 29 September 2010, published 26/09/2010, IEEE, pp 1329-1332, "Intra-prediction for color image coding using YUV correlation". * |
Sang Heon Lee & Nam Ik Cho, "16th IEEE International Conference on Image Processing", published 07/11/2009, IEEE, pp1037-1040, "Intra prediction method based on the linear relationship between the channels for YUV 4:2:0 intra coding" * |
Also Published As
Publication number | Publication date |
---|---|
WO2012175646A1 (en) | 2012-12-27 |
GB2492130A (en) | 2012-12-26 |
GB201110591D0 (en) | 2011-08-03 |
GB2492189A (en) | 2012-12-26 |
GB201200920D0 (en) | 2012-02-29 |
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