FR2307420A1 - Procede pour effectuer la correction de gamma de signaux video - Google Patents

Procede pour effectuer la correction de gamma de signaux video

Info

Publication number
FR2307420A1
FR2307420A1 FR7609942A FR7609942A FR2307420A1 FR 2307420 A1 FR2307420 A1 FR 2307420A1 FR 7609942 A FR7609942 A FR 7609942A FR 7609942 A FR7609942 A FR 7609942A FR 2307420 A1 FR2307420 A1 FR 2307420A1
Authority
FR
France
Prior art keywords
procedure
video signals
gamma correction
performing gamma
correction
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.)
Granted
Application number
FR7609942A
Other languages
English (en)
French (fr)
Other versions
FR2307420B1 (cg-RX-API-DMAC10.html
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.)
Siemens Corp
Original Assignee
Siemens 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
Priority claimed from DE19752515479 external-priority patent/DE2515479C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of FR2307420A1 publication Critical patent/FR2307420A1/fr
Application granted granted Critical
Publication of FR2307420B1 publication Critical patent/FR2307420B1/fr
Granted legal-status Critical Current

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)
FR7609942A 1975-04-09 1976-04-06 Procede pour effectuer la correction de gamma de signaux video Granted FR2307420A1 (fr)

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
FR2307420A1 true FR2307420A1 (fr) 1976-11-05
FR2307420B1 FR2307420B1 (cg-RX-API-DMAC10.html) 1981-06-12

Family

ID=5943405

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7609942A Granted FR2307420A1 (fr) 1975-04-09 1976-04-06 Procede pour effectuer la correction de gamma de signaux video

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
AT348044B (de) 1979-01-25
DE2515479A1 (de) 1976-10-14
ATA143676A (de) 1978-06-15
US4086615A (en) 1978-04-25
FR2307420B1 (cg-RX-API-DMAC10.html) 1981-06-12

Similar Documents

Publication Publication Date Title
JPS5220058A (en) Signal processing apparatus for ultrasonic image formation
JPS5224701A (en) Method of correcting color of image signal
FR2304945A1 (fr) Procede pour la reproduction tramee d'images en demi-teinte
FR2456445B1 (fr) Circuit reglable de traitement non lineaire de signaux video
FR2453565B1 (fr) Installation de reproduction de signaux video
BE841615A (fr) Procede pour faire adherer
BE833725A (fr) Porte-enregistrement pour signal de television
SE405309B (sv) Apparat for uppteckning av informationssignaler
FR2296942A1 (fr) Circuit transducteur pour signaux analogiques
FR2302636A1 (fr) Procede de filtrage de signaux analogiqu
DK134423C (da) Apparat til optagelse af et ultralyd-snitbillede
FR2307420A1 (fr) Procede pour effectuer la correction de gamma de signaux video
BE837739A (fr) Procede de detection de composantes de frequences determinees dans des signaux resultant de multiplexage de voies numeriques
DK252175A (da) Signalskifteapparat til et billedfejlkompenseringsapparat
DK208475A (da) Apparat til optagelse af et ultralyd-snitbillede
FR2349280A1 (fr) Procede pour la reproduction controlee de crevettes penaeides
FR2316989A1 (fr) Procede et appareillage pour la preparation continue de cristaux
CA1007906A (en) Signal processor for focus detecting apparatus
JPS5255558A (en) Apparatus for compensating pulse signal
SE7808927L (sv) Anordning med flera linselement for korrektion av bildfel
BE839818A (fr) Procede de transmission en multiplex de temps de signaux binaires
SE409798B (sv) Forfarande for forvrengning av talsignaler
BE813245A (fr) Procede pour la transmission brouillee de signaux vocaux
SE394562B (sv) Metanordning for datasignalers forvrengning
SE7804769L (sv) Forfarande for forbettring av bildkvaliteten vid faksimiloverforing

Legal Events

Date Code Title Description
ST Notification of lapse