JP2024517241A - ディスプレイに最適化されたｈｄｒビデオコントラスト適応 - Google Patents

ディスプレイに最適化されたｈｄｒビデオコントラスト適応 Download PDF

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Publication number
JP2024517241A
JP2024517241A JP2023568026A JP2023568026A JP2024517241A JP 2024517241 A JP2024517241 A JP 2024517241A JP 2023568026 A JP2023568026 A JP 2023568026A JP 2023568026 A JP2023568026 A JP 2023568026A JP 2024517241 A JP2024517241 A JP 2024517241A
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JP
Japan
Prior art keywords
luminance
image
value
input
display
Prior art date
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Pending
Application number
JP2023568026A
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English (en)
Japanese (ja)
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JP2024517241A5 (cg-RX-API-DMAC7.html
Inventor
ルトガー ナイランド
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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Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of JP2024517241A publication Critical patent/JP2024517241A/ja
Publication of JP2024517241A5 publication Critical patent/JP2024517241A5/ja
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
    • G06T5/90—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)
JP2023568026A 2021-05-07 2022-04-24 ディスプレイに最適化されたｈｄｒビデオコントラスト適応 Pending JP2024517241A (ja)

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 (2)

Publication Number Publication Date
JP2024517241A true JP2024517241A (ja) 2024-04-19
JP2024517241A5 JP2024517241A5 (cg-RX-API-DMAC7.html) 2025-05-02

Family

ID=75870410

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JP2023568026A Pending JP2024517241A (ja) 2021-05-07 2022-04-24 ディスプレイに最適化されたｈｄｒビデオコントラスト適応

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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190304379A1 (en) * 2016-12-22 2019-10-03 Dolby Laboratories Licensing Corporation Ambient light-adaptive display management
WO2019212838A2 (en) * 2018-05-04 2019-11-07 Microsoft Technology Licensing, Llc Automatic application of mapping functions to video signals based on inferred parameters
WO2020146655A1 (en) * 2019-01-09 2020-07-16 Dolby Laboratories Licensing Corporation Display management with ambient light compensation
WO2021004839A1 (en) * 2019-07-09 2021-01-14 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images

Family Cites Families (4)

* 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
US11473971B2 (en) * 2019-09-27 2022-10-18 Apple Inc. Ambient headroom adaptation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190304379A1 (en) * 2016-12-22 2019-10-03 Dolby Laboratories Licensing Corporation Ambient light-adaptive display management
WO2019212838A2 (en) * 2018-05-04 2019-11-07 Microsoft Technology Licensing, Llc Automatic application of mapping functions to video signals based on inferred parameters
JP2021531489A (ja) * 2018-05-04 2021-11-18 マイクロソフト テクノロジー ライセンシング，エルエルシー 推定パラメータに基づくビデオ信号へのマッピング関数の自動適用
WO2020146655A1 (en) * 2019-01-09 2020-07-16 Dolby Laboratories Licensing Corporation Display management with ambient light compensation
US20220114928A1 (en) * 2019-01-09 2022-04-14 Dolby Laboratories Licensing Corporation Display management with ambient light compensation
WO2021004839A1 (en) * 2019-07-09 2021-01-14 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images

Also Published As

Publication number Publication date
EP4334888B1 (en) 2024-11-13
US12462360B2 (en) 2025-11-04
CN117296076A (zh) 2023-12-26
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

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