CN117296076A - 经显示优化的hdr视频对比度适配 - Google Patents

经显示优化的hdr视频对比度适配 Download PDF

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Publication number
CN117296076A
CN117296076A CN202280033652.8A CN202280033652A CN117296076A CN 117296076 A CN117296076 A CN 117296076A CN 202280033652 A CN202280033652 A CN 202280033652A CN 117296076 A CN117296076 A CN 117296076A
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CN
China
Prior art keywords
brightness
image
value
maximum brightness
display
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.)
Pending
Application number
CN202280033652.8A
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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
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN117296076A publication Critical patent/CN117296076A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42202—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
    • 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
    • G06T2207/20—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)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Ecology (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Remote Sensing (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Picture Signal Circuits (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CN202280033652.8A 2021-05-07 2022-04-24 经显示优化的hdr视频对比度适配 Pending CN117296076A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21172660.9 2021-05-07
EP21172660.9A EP4086843A1 (en) 2021-05-07 2021-05-07 Display-optimized hdr video contrast adaptation
PCT/EP2022/060792 WO2022233612A1 (en) 2021-05-07 2022-04-24 Display-optimized hdr video contrast adaptation

Publications (1)

Publication Number Publication Date
CN117296076A true CN117296076A (zh) 2023-12-26

Family

ID=75870410

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280033652.8A Pending CN117296076A (zh) 2021-05-07 2022-04-24 经显示优化的hdr视频对比度适配

Country Status (6)

Country Link
US (1) US12462360B2 (cg-RX-API-DMAC7.html)
EP (2) EP4086843A1 (cg-RX-API-DMAC7.html)
JP (1) JP2024517241A (cg-RX-API-DMAC7.html)
CN (1) CN117296076A (cg-RX-API-DMAC7.html)
MX (1) MX2023013023A (cg-RX-API-DMAC7.html)
WO (1) WO2022233612A1 (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116112649B (zh) * 2023-01-18 2025-03-18 宜宾市极米光电有限公司 投影图像显示方法、装置、设备及存储介质
EP4567783A1 (en) 2023-12-08 2025-06-11 Koninklijke Philips N.V. Image display improvement in brightened viewing environments

Family Cites Families (8)

* 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
CN107111980B (zh) 2014-12-11 2021-03-09 皇家飞利浦有限公司 针对特定显示器优化高动态范围图像
EP3430806B1 (en) 2016-03-18 2023-06-07 Koninklijke Philips N.V. Encoding and decoding hdr videos
US10930223B2 (en) * 2016-12-22 2021-02-23 Dolby Laboratories Licensing Corporation Ambient light-adaptive display management
US10692467B2 (en) * 2018-05-04 2020-06-23 Microsoft Technology Licensing, Llc Automatic application of mapping functions to video signals based on inferred parameters
EP3909252B1 (en) * 2019-01-09 2025-07-23 Dolby Laboratories Licensing Corporation Display management with ambient light compensation
EP3764346A1 (en) * 2019-07-09 2021-01-13 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images
US11473971B2 (en) * 2019-09-27 2022-10-18 Apple Inc. Ambient headroom adaptation

Also Published As

Publication number Publication date
EP4334888B1 (en) 2024-11-13
US12462360B2 (en) 2025-11-04
EP4086843A1 (en) 2022-11-09
EP4334888A1 (en) 2024-03-13
EP4334888C0 (en) 2024-11-13
WO2022233612A1 (en) 2022-11-10
US20240221135A1 (en) 2024-07-04
MX2023013023A (es) 2023-11-16
JP2024517241A (ja) 2024-04-19

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