GB2492189B - Method and device for processing colour information in an image - Google Patents

Method and device for processing colour information in an image

Info

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
Application number
GB1200920.5A
Other versions
GB2492189A (en
GB201200920D0 (en
Inventor
Christophe Gisquet
Edouard Francois
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of GB201200920D0 publication Critical patent/GB201200920D0/en
Publication of GB2492189A publication Critical patent/GB2492189A/en
Application granted granted Critical
Publication of GB2492189B publication Critical patent/GB2492189B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
GB1200920.5A 2011-06-22 2012-01-19 Method and device for processing colour information in an image Active GB2492189B (en)

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)

* Cited by examiner, † Cited by third party
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
US11070824B2 (en) 2017-09-15 2021-07-20 Sony Corporation Image processing device and method
US11095921B2 (en) * 2018-12-18 2021-08-17 Tencent America LLC Method and apparatus for video encoding or decoding
BR112021016560A2 (en) * 2019-02-22 2021-10-26 Huawei Technologies Co., Ltd. METHOD AND APPARATUS FOR INTRA PREDICTION USING LINEAR MODEL
CN113632464B (en) * 2019-05-21 2023-04-28 华为技术有限公司 Method and apparatus for inter-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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
CN101589625B (en) * 2006-10-25 2011-09-21 弗劳恩霍夫应用研究促进协会 Fraunhofer ges forschung

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
GB201110591D0 (en) 2011-08-03
WO2012175646A1 (en) 2012-12-27
GB2492189A (en) 2012-12-26
GB201200920D0 (en) 2012-02-29
GB2492130A (en) 2012-12-26

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