MX2023013023A - Adaptacion de contraste de video de hdr optimizada para pantalla. - Google Patents

Adaptacion de contraste de video de hdr optimizada para pantalla.

Info

Publication number
MX2023013023A
MX2023013023A MX2023013023A MX2023013023A MX2023013023A MX 2023013023 A MX2023013023 A MX 2023013023A MX 2023013023 A MX2023013023 A MX 2023013023A MX 2023013023 A MX2023013023 A MX 2023013023A MX 2023013023 A MX2023013023 A MX 2023013023A
Authority
MX
Mexico
Prior art keywords
luminance
image
maximum luminance
mapping function
luminances
Prior art date
Application number
MX2023013023A
Other languages
English (en)
Spanish (es)
Inventor
Rutger Nijland
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 MX2023013023A publication Critical patent/MX2023013023A/es

Links

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)
MX2023013023A 2021-05-07 2022-04-24 Adaptacion de contraste de video de hdr optimizada para pantalla. MX2023013023A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
MX2023013023A true MX2023013023A (es) 2023-11-16

Family

ID=75870410

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2023013023A MX2023013023A (es) 2021-05-07 2022-04-24 Adaptacion de contraste de video de hdr optimizada para pantalla.

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
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
JP2024517241A (ja) 2024-04-19

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