AU6880098A - System for signal processing the dynamic range and contrast of electronic image brightness with related color modifications - Google Patents

System for signal processing the dynamic range and contrast of electronic image brightness with related color modifications

Info

Publication number
AU6880098A
AU6880098A AU68800/98A AU6880098A AU6880098A AU 6880098 A AU6880098 A AU 6880098A AU 68800/98 A AU68800/98 A AU 68800/98A AU 6880098 A AU6880098 A AU 6880098A AU 6880098 A AU6880098 A AU 6880098A
Authority
AU
Australia
Prior art keywords
contrast
signal processing
dynamic range
electronic image
image brightness
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.)
Abandoned
Application number
AU68800/98A
Inventor
Charles B. Hickman
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.)
HAPLOTECH Inc
Original Assignee
HAPLOTECH 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 HAPLOTECH Inc filed Critical HAPLOTECH Inc
Publication of AU6880098A publication Critical patent/AU6880098A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
AU68800/98A 1997-04-04 1998-04-02 System for signal processing the dynamic range and contrast of electronic image brightness with related color modifications Abandoned AU6880098A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US83326897A 1997-04-04 1997-04-04
US08833268 1997-04-04
PCT/US1998/006549 WO1998046015A1 (en) 1997-04-04 1998-04-01 System for signal processing the dynamic range and contrast of electronic image brightness with related color modifications

Publications (1)

Publication Number Publication Date
AU6880098A true AU6880098A (en) 1998-10-30

Family

ID=25263922

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68800/98A Abandoned AU6880098A (en) 1997-04-04 1998-04-02 System for signal processing the dynamic range and contrast of electronic image brightness with related color modifications

Country Status (2)

Country Link
AU (1) AU6880098A (en)
WO (1) WO1998046015A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100343692B1 (en) * 1998-12-31 2002-07-20 엘지전자주식회사 contrast enhancement apparatus of video signal
KR100343744B1 (en) * 2000-09-30 2002-07-20 엘지전자주식회사 Contrast enhancement apparatus of video signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575884B1 (en) * 1985-01-08 1988-07-08 Thomson Video Equip DEVICE FOR REDUCING THE DYNAMICS OF THREE COLOR SIGNALS REPRESENTING AN IMAGE
DE3629396C2 (en) * 1986-08-29 1993-12-23 Agfa Gevaert Ag Electronic image processing method
JP3400506B2 (en) * 1993-03-12 2003-04-28 オリンパス光学工業株式会社 Image processing device
US5638138A (en) * 1994-06-09 1997-06-10 Hickman; Charles B. Method for electronic image dynamic range and contrast modification

Also Published As

Publication number Publication date
WO1998046015A1 (en) 1998-10-15

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