[go: up one dir, main page]

GB2625216B - Method and apparatus for conversion of HDR signals - Google Patents

Method and apparatus for conversion of HDR signals Download PDF

Info

Publication number
GB2625216B
GB2625216B GB2402028.1A GB202402028A GB2625216B GB 2625216 B GB2625216 B GB 2625216B GB 202402028 A GB202402028 A GB 202402028A GB 2625216 B GB2625216 B GB 2625216B
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.)
Active
Application number
GB2402028.1A
Other versions
GB202402028D0 (en
GB2625216A (en
Inventor
Cotton Andrew
Thompson Simon
Dunne Andrew
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 GB2402028.1A priority Critical patent/GB2625216B/en
Priority claimed from GB2109857.9A external-priority patent/GB2608990B/en
Publication of GB202402028D0 publication Critical patent/GB202402028D0/en
Publication of GB2625216A publication Critical patent/GB2625216A/en
Application granted granted Critical
Publication of GB2625216B publication Critical patent/GB2625216B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • 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
    • H04N1/6061—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut involving the consideration or construction of a gamut surface
    • 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
    • H04N1/6063—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut dependent on the contents of the image to be reproduced
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • 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)
  • Processing Of Color Television Signals (AREA)
GB2402028.1A 2021-07-08 2021-07-08 Method and apparatus for conversion of HDR signals Active GB2625216B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2402028.1A GB2625216B (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
GB2109857.9A GB2608990B (en) 2021-07-08 2021-07-08 Method and apparatus for conversion of HDR signals
GB2402028.1A GB2625216B (en) 2021-07-08 2021-07-08 Method and apparatus for conversion of HDR signals

Publications (3)

Publication Number Publication Date
GB202402028D0 GB202402028D0 (en) 2024-03-27
GB2625216A GB2625216A (en) 2024-06-12
GB2625216B true GB2625216B (en) 2024-11-13

Family

ID=91079172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2402028.1A Active GB2625216B (en) 2021-07-08 2021-07-08 Method and apparatus for conversion of HDR signals

Country Status (1)

Country Link
GB (1) GB2625216B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160351104A1 (en) * 2015-05-29 2016-12-01 Pixtronix, Inc. Apparatus and method for image rendering based on white point correction

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160351104A1 (en) * 2015-05-29 2016-12-01 Pixtronix, Inc. Apparatus and method for image rendering based on white point correction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FANG HUAMENG ET AL: "Tone mapping based on fast image decomposition and multi-layer fusion", IET COMPUTER VISION, THE INSTITUTION OF ENGINEERING AND TECHNOLOGY, MICHAEL FARADAY HOUSE, SIX HILLS WAY, STEVENAGE, HERTS, SG1 2AY, UK, vol. 9, no. 6, 01/12/2015, pages 937 - 942, XP006054302 *

Also Published As

Publication number Publication date
GB202402028D0 (en) 2024-03-27
GB2625216A (en) 2024-06-12

Similar Documents

Publication Publication Date Title
GB2539917B (en) Method and apparatus for conversion of HDR signals
EP4133886A4 (en) Method and apparatus for coverage enhancement of msg3
GB2608990B (en) Method and apparatus for conversion of HDR signals
GB201502016D0 (en) Method and apparatus for conversion of hdr signals
EP2423658A4 (en) Method and apparatus for correcting channel delay parameters of multi-channel signal
GB202107666D0 (en) Apparatus and method of classification
GB2625218B (en) Method and apparatus for conversion of HDR signals
GB2625216B (en) Method and apparatus for conversion of HDR signals
GB2625217B (en) Method and apparatus for conversion of HDR signals
GB2608252B (en) Gasket apparatus and method of forming
GB202319227D0 (en) Screening method and apparatus for cascade utilication of battery
GB2600933B (en) Apparatus and method for analysis of audio recordings
GB202009498D0 (en) Apparatus and method for analysis of a moving slurry
KR102622907B9 (en) Method for object recognition of constrction sites and apparatus using the same
GB2623212B (en) An apparatus and process for complete treatment of slurry and powder
GB2583807B (en) Apparatus and method for detection of received signals
EP4142592A4 (en) Apparatus and method for detection of biopotential signals
GB2609611B (en) Method and system for time and feature modification of signals
EP3794591A4 (en) Method and apparatus for improving resolutions of analog-to-digital converters
GB2604995B (en) Apparatus and method for obtaining directional audio signals
ZA202201346B (en) Method of rice-duck symbiosis
GB202313791D0 (en) Apparatus and methods of biomass estimation
GB202311404D0 (en) Method of reducing or releasing an overlap
GB202020837D0 (en) System and method for interoper-ability of blockchains
EP4090979A4 (en) Method and apparatus for noninvasive determination of utilization