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DK0947955T3 - Fremgangsmåder og apparatur til frembringelse af kundespecifikke gammakurver for farvekorrektionsudstyr - Google Patents

Fremgangsmåder og apparatur til frembringelse af kundespecifikke gammakurver for farvekorrektionsudstyr

Info

Publication number
DK0947955T3
DK0947955T3 DK99106633T DK99106633T DK0947955T3 DK 0947955 T3 DK0947955 T3 DK 0947955T3 DK 99106633 T DK99106633 T DK 99106633T DK 99106633 T DK99106633 T DK 99106633T DK 0947955 T3 DK0947955 T3 DK 0947955T3
Authority
DK
Denmark
Prior art keywords
gamma curve
input signal
color correction
control point
stored
Prior art date
Application number
DK99106633T
Other languages
English (en)
Inventor
Nicholas Barton
Sanjay Devappa Rai
Xueming Henry Gu
Original Assignee
Da Vinci Systems Inc
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 Da Vinci Systems Inc filed Critical Da Vinci Systems Inc
Application granted granted Critical
Publication of DK0947955T3 publication Critical patent/DK0947955T3/da

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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/032—Electronic editing of digitised analogue information signals, e.g. audio or video signals on tapes
    • 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
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

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)
  • Picture Signal Circuits (AREA)
DK99106633T 1998-04-03 1999-03-31 Fremgangsmåder og apparatur til frembringelse af kundespecifikke gammakurver for farvekorrektionsudstyr DK0947955T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8061998P 1998-04-03 1998-04-03

Publications (1)

Publication Number Publication Date
DK0947955T3 true DK0947955T3 (da) 2001-12-17

Family

ID=22158521

Family Applications (1)

Application Number Title Priority Date Filing Date
DK99106633T DK0947955T3 (da) 1998-04-03 1999-03-31 Fremgangsmåder og apparatur til frembringelse af kundespecifikke gammakurver for farvekorrektionsudstyr

Country Status (6)

Country Link
US (1) US6266103B1 (da)
EP (1) EP0947955B1 (da)
AT (1) ATE205621T1 (da)
DE (1) DE69900270T2 (da)
DK (1) DK0947955T3 (da)
PT (1) PT947955E (da)

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Also Published As

Publication number Publication date
EP0947955A3 (en) 1999-10-27
EP0947955A2 (en) 1999-10-06
EP0947955B1 (en) 2001-09-12
DE69900270D1 (de) 2001-10-18
US6266103B1 (en) 2001-07-24
DE69900270T2 (de) 2002-07-25
PT947955E (pt) 2002-02-28
ATE205621T1 (de) 2001-09-15

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