IT1058880B - Dispositivo per la correzione dei segnaai video con il fattore gamma - Google Patents

Dispositivo per la correzione dei segnaai video con il fattore gamma

Info

Publication number
IT1058880B
IT1058880B IT21744/76A IT2174476A IT1058880B IT 1058880 B IT1058880 B IT 1058880B IT 21744/76 A IT21744/76 A IT 21744/76A IT 2174476 A IT2174476 A IT 2174476A IT 1058880 B IT1058880 B IT 1058880B
Authority
IT
Italy
Prior art keywords
correction
video signals
gamma factor
gamma
factor
Prior art date
Application number
IT21744/76A
Other languages
English (en)
Original Assignee
Siemens Ag
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
Priority claimed from DE19752515479 external-priority patent/DE2515479C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1058880B publication Critical patent/IT1058880B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/82—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
    • H04N23/83—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction specially adapted for colour signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
IT21744/76A 1975-04-09 1976-03-31 Dispositivo per la correzione dei segnaai video con il fattore gamma IT1058880B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752515479 DE2515479C3 (de) 1975-04-09 Verfahren zur T-Korrektur von Videosignalen

Publications (1)

Publication Number Publication Date
IT1058880B true IT1058880B (it) 1982-05-10

Family

ID=5943405

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21744/76A IT1058880B (it) 1975-04-09 1976-03-31 Dispositivo per la correzione dei segnaai video con il fattore gamma

Country Status (6)

Country Link
US (1) US4086615A (it)
JP (1) JPS51123521A (it)
AT (1) AT348044B (it)
FR (1) FR2307420A1 (it)
GB (1) GB1547425A (it)
IT (1) IT1058880B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56125177A (en) * 1980-01-24 1981-10-01 Hitachi Denshi Ltd Contrast adjusting system for color television camera
JPS60242784A (ja) * 1984-07-30 1985-12-02 Hitachi Ltd カラ−テレビジヨン受信機
JPH07105958B2 (ja) * 1985-03-18 1995-11-13 株式会社日立製作所 ビデオカメラの信号処理回路
US5121261A (en) * 1988-11-14 1992-06-09 Nikon Corporation Digital video signal processing apparatus
JP2748678B2 (ja) * 1990-10-09 1998-05-13 松下電器産業株式会社 階調補正方法および階調補正装置
JP2699711B2 (ja) * 1991-09-17 1998-01-19 松下電器産業株式会社 階調補正方法および装置
JPH07143516A (ja) * 1993-11-16 1995-06-02 Ikegami Tsushinki Co Ltd 映像信号圧縮装置
CN100484252C (zh) * 2001-12-29 2009-04-29 三星电子株式会社 控制图像亮度的装置和方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272916A (en) * 1962-05-16 1966-09-13 Emi Ltd Color television systems utilizing a true luminance signal
US3604841A (en) * 1969-05-01 1971-09-14 Columbia Broadcasting Syst Inc Correction apparatus for encoded color television signals
JPS5136134B2 (it) * 1971-11-27 1976-10-06

Also Published As

Publication number Publication date
FR2307420A1 (fr) 1976-11-05
JPS51123521A (en) 1976-10-28
AT348044B (de) 1979-01-25
ATA143676A (de) 1978-06-15
DE2515479A1 (de) 1976-10-14
DE2515479B2 (de) 1977-04-28
FR2307420B1 (it) 1981-06-12
GB1547425A (en) 1979-06-20
US4086615A (en) 1978-04-25

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