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

Info

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
Authority
JP
Japan
Prior art keywords
luminance
image
value
input
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
JP2023568026A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024517241A5 (enExample
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
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 JP2024517241A publication Critical patent/JP2024517241A/ja
Publication of JP2024517241A5 publication Critical patent/JP2024517241A5/ja
Pending legal-status Critical Current

Links

Images

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

Landscapes

  • 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 (enExample) 2025-05-02

Family

ID=75870410

Family Applications (1)

Application Number Title Priority Date Filing Date
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 (enExample)
EP (2) EP4086843A1 (enExample)
JP (1) JP2024517241A (enExample)
CN (1) CN117296076A (enExample)
MX (1) MX2023013023A (enExample)
WO (1) WO2022233612A1 (enExample)

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
CN105393525B (zh) 2013-07-18 2019-04-12 皇家飞利浦有限公司 创建用于对hdr图像编码的代码映射函数的方法和装置以及使用这样的编码图像的方法和装置
RU2687267C2 (ru) 2014-12-11 2019-05-13 Конинклейке Филипс Н.В. Оптимизация изображений с расширенным динамическим диапазоном для определенных дисплеев
WO2017157977A1 (en) 2016-03-18 2017-09-21 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
MX2023013023A (es) 2023-11-16
EP4334888B1 (en) 2024-11-13
CN117296076A (zh) 2023-12-26
EP4086843A1 (en) 2022-11-09
US12462360B2 (en) 2025-11-04
WO2022233612A1 (en) 2022-11-10
EP4334888C0 (en) 2024-11-13
EP4334888A1 (en) 2024-03-13
US20240221135A1 (en) 2024-07-04

Similar Documents

Publication Publication Date Title
US11521537B2 (en) Optimized decoded high dynamic range image saturation
JP6596125B2 (ja) Ｈｄｒイメージの符号化のためのコードマッピング関数を作成するための方法及び装置、並びに、かかる符号化イメージの使用のための方法及び装置
RU2688249C2 (ru) Способы и устройства для кодирования hdr-изображений и способы и устройства для использования таких кодированных изображений
RU2642335C2 (ru) Обработка изображений с изменением яркости при цветовых ограничениях
JP2022541884A (ja) Ｈｄｒ画像のための表示最適化挙動の調節
US12462360B2 (en) Display-optimized HDR video contrast adaptation
JP7809138B2 (ja) ディスプレイに最適化された環境光ｈｄｒビデオ適応
JP7695482B2 (ja) Ｈｄｒ画像の表示の最適化
US12462359B2 (en) Display-optimized HDR video contrast adaptation
EP4636683A1 (en) Improved luma and chroma mapping for images
US20240242472A1 (en) Content-optimized abient light hdr video adaptation
US20250301184A1 (en) Hdr video reconstruction by converte tone mapping

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250423

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250423

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20260304

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20260421