CN117321625A - 显示优化的hdr视频对比度适配 - Google Patents

显示优化的hdr视频对比度适配 Download PDF

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Publication number
CN117321625A
CN117321625A CN202280033540.2A CN202280033540A CN117321625A CN 117321625 A CN117321625 A CN 117321625A CN 202280033540 A CN202280033540 A CN 202280033540A CN 117321625 A CN117321625 A CN 117321625A
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CN
China
Prior art keywords
brightness
image
input
value
display
Prior art date
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Pending
Application number
CN202280033540.2A
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English (en)
Chinese (zh)
Inventor
R·尼吉兰德
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.)
Koninklijke Philips NV
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Koninklijke Philips NV
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Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN117321625A publication Critical patent/CN117321625A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
    • 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
CN202280033540.2A 2021-05-07 2022-04-28 显示优化的hdr视频对比度适配 Pending CN117321625A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21172666.6 2021-05-07
EP21172666.6A EP4086844A1 (en) 2021-05-07 2021-05-07 Display-optimized hdr video contrast adaptation
PCT/EP2022/061322 WO2022233697A1 (en) 2021-05-07 2022-04-28 Display-optimized hdr video contrast adaptation

Publications (1)

Publication Number Publication Date
CN117321625A true CN117321625A (zh) 2023-12-29

Family

ID=75870416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280033540.2A Pending CN117321625A (zh) 2021-05-07 2022-04-28 显示优化的hdr视频对比度适配

Country Status (7)

Country Link
US (1) US12462359B2 (https=)
EP (2) EP4086844A1 (https=)
JP (1) JP2024519606A (https=)
CN (1) CN117321625A (https=)
BR (1) BR112023022777A2 (https=)
CL (1) CL2023003278A1 (https=)
WO (1) WO2022233697A1 (https=)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2670782C9 (ru) 2013-07-18 2018-11-23 Конинклейке Филипс Н.В. Способы и устройства для создания функций отображения кода для кодирования изображения hdr и способы и устройства для использования таких кодированных изображений
JP6132791B2 (ja) 2014-03-12 2017-05-24 東京エレクトロン株式会社 半導体デバイスの製造方法及び製造装置
EP3231174B1 (en) 2014-12-11 2020-08-26 Koninklijke Philips N.V. Optimizing high dynamic range images for particular displays
JP2017050840A (ja) * 2015-09-01 2017-03-09 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 変換方法および変換装置
US9984446B2 (en) * 2015-12-26 2018-05-29 Intel Corporation Video tone mapping for converting high dynamic range (HDR) content to standard dynamic range (SDR) content
US10019785B2 (en) * 2016-03-07 2018-07-10 Novatek Microelectronics Corp. Method of processing high dynamic range images using dynamic metadata
WO2017157977A1 (en) 2016-03-18 2017-09-21 Koninklijke Philips N.V. Encoding and decoding hdr videos
EP3552178B1 (en) * 2016-12-12 2022-06-01 Dolby Laboratories Licensing Corporation Systems and methods for adjusting video processing curves for high dynamic range images
US10930223B2 (en) * 2016-12-22 2021-02-23 Dolby Laboratories Licensing Corporation Ambient light-adaptive display management
JP2019041269A (ja) * 2017-08-25 2019-03-14 シャープ株式会社 映像処理装置、表示装置、映像処理方法、制御プログラム、および記録媒体
EP3764346A1 (en) * 2019-07-09 2021-01-13 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images

Also Published As

Publication number Publication date
US20240257323A1 (en) 2024-08-01
BR112023022777A2 (pt) 2024-01-02
EP4086844A1 (en) 2022-11-09
EP4334889B1 (en) 2024-10-30
WO2022233697A1 (en) 2022-11-10
US12462359B2 (en) 2025-11-04
CL2023003278A1 (es) 2024-04-12
JP2024519606A (ja) 2024-05-20
EP4334889A1 (en) 2024-03-13

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