BR112017012845A2 - método e dispositivo de conversão de uma versão de ampla faixa dinâmica de uma imagem para uma versao de faixa dinâmica padrão da dita imagem - Google Patents

método e dispositivo de conversão de uma versão de ampla faixa dinâmica de uma imagem para uma versao de faixa dinâmica padrão da dita imagem

Info

Publication number
BR112017012845A2
BR112017012845A2 BR112017012845A BR112017012845A BR112017012845A2 BR 112017012845 A2 BR112017012845 A2 BR 112017012845A2 BR 112017012845 A BR112017012845 A BR 112017012845A BR 112017012845 A BR112017012845 A BR 112017012845A BR 112017012845 A2 BR112017012845 A2 BR 112017012845A2
Authority
BR
Brazil
Prior art keywords
dynamic range
image
version
range version
converting
Prior art date
Application number
BR112017012845A
Other languages
English (en)
Portuguese (pt)
Inventor
Hiron Franck
Donnnan Gary
Town John
Yamamoto Masaru
Bordes Philippe
Andrivon Pierre
Original Assignee
Thomson Licensing
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
Priority claimed from EP14290388.9A external-priority patent/EP3035678A1/en
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BR112017012845A2 publication Critical patent/BR112017012845A2/pt

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/005—Adapting incoming signals to the display format of the display terminal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/06—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut
    • H04N1/6063—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut dependent on the contents of the image to be reproduced
    • H04N1/6066—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut dependent on the contents of the image to be reproduced dependent on the gamut of the image to be reproduced
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/20—Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • 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
    • 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
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
    • 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
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0428—Gradation resolution change
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Television Signal Processing For Recording (AREA)
  • Image Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Facsimile Image Signal Circuits (AREA)
BR112017012845A 2014-12-16 2015-12-09 método e dispositivo de conversão de uma versão de ampla faixa dinâmica de uma imagem para uma versao de faixa dinâmica padrão da dita imagem BR112017012845A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14290388.9A EP3035678A1 (en) 2014-12-16 2014-12-16 Method and device of converting a high-dynamic-range version of a picture to a standard-dynamic-range version of said picture
EP15305023 2015-01-13
PCT/EP2015/079083 WO2016096562A1 (en) 2014-12-16 2015-12-09 Method and device of converting a high-dynamic-range version of a picture to a standard-dynamic-range version of said picture

Publications (1)

Publication Number Publication Date
BR112017012845A2 true BR112017012845A2 (pt) 2017-12-26

Family

ID=55027698

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017012845A BR112017012845A2 (pt) 2014-12-16 2015-12-09 método e dispositivo de conversão de uma versão de ampla faixa dinâmica de uma imagem para uma versao de faixa dinâmica padrão da dita imagem

Country Status (14)

Country Link
US (2) US10104354B2 (enExample)
EP (1) EP3235245B1 (enExample)
JP (1) JP6663432B2 (enExample)
KR (1) KR102365440B1 (enExample)
CN (1) CN107257990B (enExample)
AU (1) AU2015366617B2 (enExample)
BR (1) BR112017012845A2 (enExample)
CA (1) CA2970972A1 (enExample)
MX (1) MX364481B (enExample)
MY (1) MY181609A (enExample)
PH (1) PH12017500885A1 (enExample)
RU (1) RU2707065C2 (enExample)
TW (1) TW201633779A (enExample)
WO (1) WO2016096562A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102308192B1 (ko) 2017-03-09 2021-10-05 삼성전자주식회사 디스플레이 장치 및 그 제어 방법
TWI811217B (zh) * 2018-04-30 2023-08-11 圓剛科技股份有限公司 影像訊號轉換裝置
TWI808971B (zh) * 2018-04-30 2023-07-21 圓剛科技股份有限公司 影像訊號轉換裝置
TWI808970B (zh) 2018-04-30 2023-07-21 圓剛科技股份有限公司 影像訊號轉換裝置
EP3588964A1 (en) * 2018-06-26 2020-01-01 InterDigital VC Holdings, Inc. Metadata translation in hdr distribution
BR112021024551A2 (pt) * 2019-06-28 2022-01-18 Dolby Laboratories Licensing Corp Metadados de tipo de conteúdo de vídeo para alta faixa dinâmica
CN115797152A (zh) * 2021-09-10 2023-03-14 北京字跳网络技术有限公司 一种颜色映射色卡生成方法及装置
CN115797151A (zh) * 2021-09-10 2023-03-14 北京字跳网络技术有限公司 一种颜色映射色卡生成方法及装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8014445B2 (en) * 2006-02-24 2011-09-06 Sharp Laboratories Of America, Inc. Methods and systems for high dynamic range video coding
US8363131B2 (en) * 2009-01-15 2013-01-29 Aptina Imaging Corporation Apparatus and method for local contrast enhanced tone mapping
WO2010105036A1 (en) 2009-03-13 2010-09-16 Dolby Laboratories Licensing Corporation Layered compression of high dynamic range, visual dynamic range, and wide color gamut video
EP2561684A1 (en) * 2010-04-19 2013-02-27 Dolby Laboratories Licensing Corporation Quality assessment of high dynamic range, visual dynamic range and wide color gamut image and video
KR101538296B1 (ko) * 2011-03-02 2015-07-29 돌비 레버러토리즈 라이쎈싱 코오포레이션 로컬 멀티스케일 톤 매핑 연산자
CN103597812B (zh) * 2011-06-14 2017-11-21 皇家飞利浦有限公司 用于高动态范围视频的图形处理设备及方法
CN107103588B (zh) * 2011-09-27 2025-08-22 皇家飞利浦有限公司 用于图像的动态范围变换的装置和方法
US9129445B2 (en) * 2012-03-14 2015-09-08 Dolby Laboratories Licensing Corporation Efficient tone-mapping of high-bit-depth video to low-bit-depth display
JP5747136B2 (ja) * 2012-08-08 2015-07-08 ドルビー ラボラトリーズ ライセンシング コーポレイション Ｈｄｒ画像のための画像処理
PL2959672T3 (pl) * 2013-02-21 2020-06-01 Koninklijke Philips N.V. Ulepszone sposoby i urządzenia do kodowania i dekodowania obrazu hdr
US8866975B1 (en) * 2013-05-02 2014-10-21 Dolby Laboratories Licensing Corporation Backwards-compatible delivery of digital cinema content with higher dynamic range and related preprocessing and coding methods
CN103391435A (zh) * 2013-07-02 2013-11-13 广东工业大学 一种兼容ldr的hdr图像编码方法及其解码方法
EP3070934A4 (en) * 2013-11-13 2017-03-29 LG Electronics Inc. Broadcast signal transmission method and apparatus for providing hdr broadcast service
DE112015000950T5 (de) * 2014-02-25 2016-12-08 Apple Inc. Abwärtskompatible Einrichtung und abwärtskompatibles Verfahren zum Bereitstellen von Video mit sowohl Standard- als auch hohem Dynamikbereich
CN107077726B (zh) * 2014-10-27 2019-04-09 杜比实验室特许公司 使用扩展颜色范围的内容映射
CN105139368B (zh) * 2015-08-12 2017-11-03 旗瀚科技有限公司 一种可用于机器视觉的混合型色调映射方法

Also Published As

Publication number Publication date
RU2017122748A3 (enExample) 2019-05-22
WO2016096562A1 (en) 2016-06-23
RU2017122748A (ru) 2019-01-23
JP6663432B2 (ja) 2020-03-11
EP3235245A1 (en) 2017-10-25
US10764549B2 (en) 2020-09-01
CN107257990B (zh) 2020-08-18
MX364481B (es) 2019-04-29
CA2970972A1 (en) 2016-06-23
US10104354B2 (en) 2018-10-16
EP3235245B1 (en) 2022-09-28
KR20170095240A (ko) 2017-08-22
US20190014296A1 (en) 2019-01-10
MX2017007918A (es) 2017-09-05
RU2707065C2 (ru) 2019-11-22
PH12017500885A1 (en) 2017-11-06
CN107257990A (zh) 2017-10-17
TW201633779A (zh) 2016-09-16
AU2015366617A1 (en) 2017-07-13
JP2018506880A (ja) 2018-03-08
MY181609A (en) 2020-12-29
KR102365440B1 (ko) 2022-02-18
US20170366791A1 (en) 2017-12-21
AU2015366617B2 (en) 2019-11-28

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Legal Events

Date Code Title Description
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL VC HOLDINGS, INC. (US)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements