IT1261437B - Regolazione automatica del contrasto e della luminosita' per apparecchi a diagramma entropico integrati in aeromobili. - Google Patents

Regolazione automatica del contrasto e della luminosita' per apparecchi a diagramma entropico integrati in aeromobili.

Info

Publication number
IT1261437B
IT1261437B ITRM930198A ITRM930198A IT1261437B IT 1261437 B IT1261437 B IT 1261437B IT RM930198 A ITRM930198 A IT RM930198A IT RM930198 A ITRM930198 A IT RM930198A IT 1261437 B IT1261437 B IT 1261437B
Authority
IT
Italy
Prior art keywords
entropic
aircrafts
devices integrated
brightness adjustment
diagram devices
Prior art date
Application number
ITRM930198A
Other languages
English (en)
Original Assignee
Zeiss Carl
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 Zeiss Carl filed Critical Zeiss Carl
Publication of ITRM930198A0 publication Critical patent/ITRM930198A0/it
Publication of ITRM930198A1 publication Critical patent/ITRM930198A1/it
Application granted granted Critical
Publication of IT1261437B publication Critical patent/IT1261437B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/71—Circuitry for evaluating the brightness variation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Television Receiver Circuits (AREA)
  • Radiation Pyrometers (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

Sono indicati un procedimento e un dispositivo per rilevare la posizione ottimale di una finestra di valutazione in una immagine FLIR, che mediante una valutazione adattabile delle scene serve alla regolazione automatica del contrasto e della luminosità per apparecchi a diagramma entropico integrati in aeromobili".
ITRM930198A 1992-04-03 1993-03-31 Regolazione automatica del contrasto e della luminosita' per apparecchi a diagramma entropico integrati in aeromobili. IT1261437B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4211133A DE4211133C2 (de) 1992-04-03 1992-04-03 Automatische Kontrast- und Helligkeitsregelung für in Flugzeuge integrierte Wärmebildgeräte

Publications (3)

Publication Number Publication Date
ITRM930198A0 ITRM930198A0 (it) 1993-03-31
ITRM930198A1 ITRM930198A1 (it) 1994-10-01
IT1261437B true IT1261437B (it) 1996-05-23

Family

ID=6455930

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM930198A IT1261437B (it) 1992-04-03 1993-03-31 Regolazione automatica del contrasto e della luminosita' per apparecchi a diagramma entropico integrati in aeromobili.

Country Status (3)

Country Link
US (1) US5287176A (it)
DE (1) DE4211133C2 (it)
IT (1) IT1261437B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5896169A (en) * 1997-09-16 1999-04-20 Philips Electronics North America Corporation Video level measuring apparatus for X-ray imaging systems
JPH11191894A (ja) * 1997-12-25 1999-07-13 Toshiba Corp 自動輝度補正装置
US8275170B2 (en) * 2006-12-08 2012-09-25 Electronics And Telecommunications Research Institute Apparatus and method for detecting horizon in sea image
DE102008026027B4 (de) * 2008-05-30 2010-06-17 Lfk-Lenkflugkörpersysteme Gmbh Verfahren zur automatisierten Lagenachregelung der Anzeige einer Wärmebildkamera
US8111943B2 (en) * 2009-04-15 2012-02-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Smart image enhancement process
CN104296877B (zh) * 2013-11-27 2017-07-21 中国航空工业集团公司洛阳电光设备研究所 一种红外探测器的信号处理电路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953667A (en) * 1974-06-28 1976-04-27 Martin Marietta Corporation Passive and/or active imaging system
US4682229A (en) * 1979-09-21 1987-07-21 Emi Limited Controlling the grey levels represented by a video signal
US5083204A (en) * 1984-10-01 1992-01-21 Hughes Aircraft Company Signal processor for an imaging sensor system
US4618892A (en) * 1985-03-25 1986-10-21 Northrop Corporation Dynamic shading compensation for IR tracking system
GB2219461B (en) * 1988-05-02 1992-11-18 Canon Kk Exposure control device
JPH01298878A (ja) * 1988-05-26 1989-12-01 Mitsubishi Electric Corp 自動絞り装置
ATE108288T1 (de) * 1988-07-28 1994-07-15 Contraves Ag Automatische helligkeits- und kontrast-steuerung einer video-kamera für industrielle/militärische zwecke.
US5049997A (en) * 1989-04-10 1991-09-17 Fuji Photo Film Co., Ltd. Video camera exposure control method and apparatus for preventing improper exposure due to changing object size or displacement and luminance difference between the object and background
DE3928052C1 (it) * 1989-08-25 1990-09-27 Richard Wolf Gmbh, 7134 Knittlingen, De
DE4104886A1 (de) * 1991-02-18 1992-08-20 Zeiss Carl Fa Automatische kontrast- und helligkeitsregelung fuer in flugzeuge integrierte waermebildgeraete

Also Published As

Publication number Publication date
DE4211133C2 (de) 2003-03-13
US5287176A (en) 1994-02-15
ITRM930198A1 (it) 1994-10-01
ITRM930198A0 (it) 1993-03-31
DE4211133A1 (de) 1993-10-07

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970326