GB202402030D0 - Method and apparatus for conversion of HDR signals - Google Patents

Method and apparatus for conversion of HDR signals

Info

Publication number
GB202402030D0
GB202402030D0 GBGB2402030.7A GB202402030A GB202402030D0 GB 202402030 D0 GB202402030 D0 GB 202402030D0 GB 202402030 A GB202402030 A GB 202402030A GB 202402030 D0 GB202402030 D0 GB 202402030D0
Authority
GB
United Kingdom
Prior art keywords
conversion
hdr signals
hdr
signals
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
GBGB2402030.7A
Other versions
GB2625218A (en
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB2402030.7A priority Critical patent/GB2625218A/en
Priority claimed from GB2109857.9A external-priority patent/GB2608990A/en
Publication of GB202402030D0 publication Critical patent/GB202402030D0/en
Publication of GB2625218A publication Critical patent/GB2625218A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Processing Of Color Television Signals (AREA)
GB2402030.7A 2021-07-08 2021-07-08 Method and apparatus for conversion of HDR signals Pending GB2625218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2402030.7A GB2625218A (en) 2021-07-08 2021-07-08 Method and apparatus for conversion of HDR signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2402030.7A GB2625218A (en) 2021-07-08 2021-07-08 Method and apparatus for conversion of HDR signals
GB2109857.9A GB2608990A (en) 2021-07-08 2021-07-08 Method and apparatus for conversion of HDR signals

Publications (2)

Publication Number Publication Date
GB202402030D0 true GB202402030D0 (en) 2024-03-27
GB2625218A GB2625218A (en) 2024-06-12

Family

ID=91079174

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2402030.7A Pending GB2625218A (en) 2021-07-08 2021-07-08 Method and apparatus for conversion of HDR signals

Country Status (1)

Country Link
GB (1) GB2625218A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2539917B (en) * 2015-06-30 2021-04-07 British Broadcasting Corp Method and apparatus for conversion of HDR signals
US10074162B2 (en) * 2016-08-11 2018-09-11 Intel Corporation Brightness control for spatially adaptive tone mapping of high dynamic range (HDR) images
WO2018152063A1 (en) * 2017-02-15 2018-08-23 Dolby Laboratories Licensing Corporation Tone curve mapping for high dynamic range images

Also Published As

Publication number Publication date
GB2625218A (en) 2024-06-12

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