CL2023003278A1 - Adaptación de contraste de video hdr optimizada para pantallas - Google Patents

Adaptación de contraste de video hdr optimizada para pantallas

Info

Publication number
CL2023003278A1
CL2023003278A1 CL2023003278A CL2023003278A CL2023003278A1 CL 2023003278 A1 CL2023003278 A1 CL 2023003278A1 CL 2023003278 A CL2023003278 A CL 2023003278A CL 2023003278 A CL2023003278 A CL 2023003278A CL 2023003278 A1 CL2023003278 A1 CL 2023003278A1
Authority
CL
Chile
Prior art keywords
luminance
output
input
luminances
mapping function
Prior art date
Application number
CL2023003278A
Other languages
English (en)
Spanish (es)
Inventor
NIJLAND Rutger
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 CL2023003278A1 publication Critical patent/CL2023003278A1/es

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—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

Landscapes

  • 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)
CL2023003278A 2021-05-07 2023-11-03 Adaptación de contraste de video hdr optimizada para pantallas CL2023003278A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21172666.6A EP4086844A1 (en) 2021-05-07 2021-05-07 Display-optimized hdr video contrast adaptation

Publications (1)

Publication Number Publication Date
CL2023003278A1 true CL2023003278A1 (es) 2024-04-12

Family

ID=75870416

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2023003278A CL2023003278A1 (es) 2021-05-07 2023-11-03 Adaptación de contraste de video hdr optimizada para pantallas

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
CN117321625A (zh) 2023-12-29
EP4334889B1 (en) 2024-10-30
WO2022233697A1 (en) 2022-11-10
US12462359B2 (en) 2025-11-04
JP2024519606A (ja) 2024-05-20
EP4334889A1 (en) 2024-03-13

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