AT348044B - Verfahren und schaltungsanordnung zur gamma- korrektur von videosignalen - Google Patents

Verfahren und schaltungsanordnung zur gamma- korrektur von videosignalen

Info

Publication number
AT348044B
AT348044B AT143676A AT143676A AT348044B AT 348044 B AT348044 B AT 348044B AT 143676 A AT143676 A AT 143676A AT 143676 A AT143676 A AT 143676A AT 348044 B AT348044 B AT 348044B
Authority
AT
Austria
Prior art keywords
procedure
video signals
circuit arrangement
gamma correction
gamma
Prior art date
Application number
AT143676A
Other languages
German (de)
English (en)
Other versions
ATA143676A (de
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
Publication of ATA143676A publication Critical patent/ATA143676A/de
Application granted granted Critical
Publication of AT348044B publication Critical patent/AT348044B/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
AT143676A 1975-04-09 1976-02-26 Verfahren und schaltungsanordnung zur gamma- korrektur von videosignalen AT348044B (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA143676A ATA143676A (de) 1978-06-15
AT348044B true AT348044B (de) 1979-01-25

Family

ID=5943405

Family Applications (1)

Application Number Title Priority Date Filing Date
AT143676A AT348044B (de) 1975-04-09 1976-02-26 Verfahren und schaltungsanordnung zur gamma- korrektur von videosignalen

Country Status (6)

Country Link
US (1) US4086615A (cg-RX-API-DMAC10.html)
JP (1) JPS51123521A (cg-RX-API-DMAC10.html)
AT (1) AT348044B (cg-RX-API-DMAC10.html)
FR (1) FR2307420A1 (cg-RX-API-DMAC10.html)
GB (1) GB1547425A (cg-RX-API-DMAC10.html)
IT (1) IT1058880B (cg-RX-API-DMAC10.html)

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 (cg-RX-API-DMAC10.html) * 1971-11-27 1976-10-06

Also Published As

Publication number Publication date
DE2515479B2 (de) 1977-04-28
GB1547425A (en) 1979-06-20
JPS51123521A (en) 1976-10-28
IT1058880B (it) 1982-05-10
DE2515479A1 (de) 1976-10-14
ATA143676A (de) 1978-06-15
US4086615A (en) 1978-04-25
FR2307420B1 (cg-RX-API-DMAC10.html) 1981-06-12
FR2307420A1 (fr) 1976-11-05

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties