DE69010411D1 - Szenenabhängige kompensation inhomogen verteilter detektorempfindlichkeit einer bilddetektormatrix. - Google Patents

Szenenabhängige kompensation inhomogen verteilter detektorempfindlichkeit einer bilddetektormatrix.

Info

Publication number
DE69010411D1
DE69010411D1 DE69010411T DE69010411T DE69010411D1 DE 69010411 D1 DE69010411 D1 DE 69010411D1 DE 69010411 T DE69010411 T DE 69010411T DE 69010411 T DE69010411 T DE 69010411T DE 69010411 D1 DE69010411 D1 DE 69010411D1
Authority
DE
Germany
Prior art keywords
scene
related compensation
detector
matrix
sensitivity
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.)
Expired - Fee Related
Application number
DE69010411T
Other languages
English (en)
Other versions
DE69010411T2 (de
Inventor
Robert Sendall
Donald Knight
Marvin Ramirez
Raymond Mckeefery
Chuong Dan
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of DE69010411D1 publication Critical patent/DE69010411D1/de
Application granted granted Critical
Publication of DE69010411T2 publication Critical patent/DE69010411T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—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
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/673—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources
    • H04N25/674—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources based on the scene itself, e.g. defocusing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Image Processing (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE69010411T 1989-01-26 1990-01-11 Szenenabhängige kompensation inhomogen verteilter detektorempfindlichkeit einer bilddetektormatrix. Expired - Fee Related DE69010411T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/302,534 US4975864A (en) 1989-01-26 1989-01-26 Scene based nonuniformity compensation for starting focal plane arrays
PCT/US1990/000086 WO1990009076A1 (en) 1989-01-26 1990-01-11 Scene based nonuniformity compensation for staring focal plane arrays

Publications (2)

Publication Number Publication Date
DE69010411D1 true DE69010411D1 (de) 1994-08-11
DE69010411T2 DE69010411T2 (de) 1994-10-27

Family

ID=23168152

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69010411T Expired - Fee Related DE69010411T2 (de) 1989-01-26 1990-01-11 Szenenabhängige kompensation inhomogen verteilter detektorempfindlichkeit einer bilddetektormatrix.

Country Status (7)

Country Link
US (1) US4975864A (de)
EP (1) EP0406410B1 (de)
JP (1) JPH03504766A (de)
KR (1) KR930011510B1 (de)
DE (1) DE69010411T2 (de)
IL (1) IL93059A (de)
WO (1) WO1990009076A1 (de)

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US5323334A (en) * 1992-12-04 1994-06-21 Hughes Aircraft Company Sensor system having nonuniformity suppression with image preservation
CA2110368C (en) * 1992-12-07 1999-11-23 Gary M. Lindgren Wide dynamic range non-uniformity compensation for infrared focal plane arrays
DE4300781C1 (de) * 1993-01-14 1994-05-11 Deutsche Aerospace Verfahren zur Korrektur von Bildfehlern in von einem bilderzeugenden Sensor erzeugten Bildern
US5896166A (en) * 1993-06-02 1999-04-20 Envision Medical Corporation Remote CCD video camera with non-volatile digital memory
JPH0775633A (ja) * 1993-06-30 1995-03-20 Shimadzu Corp 画像処理装置
US5381148A (en) * 1993-07-12 1995-01-10 Analog Devices, Inc. Method and apparatus for calibrating a gain control circuit
BE1007354A3 (nl) * 1993-07-23 1995-05-23 Philips Electronics Nv Signaalcorrectieschakeling.
US5471240A (en) * 1993-11-15 1995-11-28 Hughes Aircraft Company Nonuniformity correction of an imaging sensor using region-based correction terms
GB2296147B (en) * 1994-11-29 1999-06-16 Marconi Gec Ltd A signal processor
US5563405A (en) * 1995-04-28 1996-10-08 Santa Barbara Research Center Staring IR-FPA with on-FPA adaptive dynamic range control electronics
US5925875A (en) * 1996-04-26 1999-07-20 Lockheed Martin Ir Imaging Systems Apparatus and method for compensating for fixed pattern noise in planar arrays
US5717208A (en) * 1996-05-30 1998-02-10 He Holdings, Inc. Staring IR-FPA with dither-locked frame circuit
US5721427A (en) * 1996-12-19 1998-02-24 Hughes Electronics Scene-based nonuniformity correction processor incorporating motion triggering
DE19715983C1 (de) * 1997-04-17 1998-09-24 Aeg Infrarot Module Gmbh Verfahren zum Korrigieren der Grauwerte von Bildern einer digitalen Infrarot-Kamera
US5903659A (en) * 1997-04-17 1999-05-11 Raytheon Company Adaptive non-uniformity compensation algorithm
US6226034B1 (en) * 1997-05-06 2001-05-01 Roper Scientificomasd, Inc. Spatial non-uniformity correction of a color sensor
US5969758A (en) * 1997-06-02 1999-10-19 Sarnoff Corporation DC offset and gain correction for CMOS image sensor
US6040568A (en) * 1998-05-06 2000-03-21 Raytheon Company Multipurpose readout integrated circuit with in cell adaptive non-uniformity correction and enhanced dynamic range
US6243498B1 (en) * 1998-10-19 2001-06-05 Raytheon Company Adaptive non-uniformity compensation using feedforwarding shunting
US6330371B1 (en) * 1998-10-19 2001-12-11 Raytheon Company Adaptive non-uniformity compensation using feedforward shunting and min-mean filter
DE10055862C2 (de) * 2000-11-10 2003-11-13 Zeiss Optronik Gmbh Verfahren zum Ausgleich von technologisch bedingten Inhomogenitäten in den Einzelelementen eines Detektors, der zur Bildaufnahme eingesetzt wird
US7016550B2 (en) * 2002-04-19 2006-03-21 Lockheed Martin Corporation Scene-based non-uniformity offset correction for staring arrays
US6909460B2 (en) * 2001-07-25 2005-06-21 Eastman Kodak Company Median-based dark level acquisition for a frame rate clamp
AU2002258715A1 (en) * 2002-04-04 2003-10-20 Illusion Technologies, Llc Miniature/micro scale power generation system
JP2004053584A (ja) * 2002-05-30 2004-02-19 Canon Inc 画像補正装置及び方法
DE10255021B4 (de) * 2002-11-25 2007-02-22 Carl Zeiss Optronics Gmbh Verfahren und Vorrichtung zum Erzeugen von Bilddaten einer Szene unter Berücksichtigung von Inhomogenitäten in den Signalempfindlichkeiten von Sensorelementen bei scannenden Bildgebern
US7294817B2 (en) * 2004-05-06 2007-11-13 Siemens Power Generation, Inc. System and methods for determining nonuniformity correction parameters in detector-array imaging
US7508430B1 (en) * 2005-02-18 2009-03-24 Magnachip Semiconductor, Ltd. Method for locally reducing row noise
US7880777B2 (en) 2005-05-26 2011-02-01 Fluke Corporation Method for fixed pattern noise reduction in infrared imaging cameras
US7684634B2 (en) * 2006-08-29 2010-03-23 Raytheon Company System and method for adaptive non-uniformity compensation for a focal plane array
US20080212895A1 (en) * 2007-01-09 2008-09-04 Lockheed Martin Corporation Image data processing techniques for highly undersampled images
CN100433793C (zh) * 2007-04-19 2008-11-12 华中科技大学 基于运动检测指导的红外焦平面非均匀性校正方法
US8542727B2 (en) 2007-12-31 2013-09-24 Intel Corporation Systems and apparatuses for performing CABAC parallel encoding and decoding
US8124937B2 (en) * 2009-01-15 2012-02-28 Raytheon Company System and method for athermal operation of a focal plane array
US10091439B2 (en) 2009-06-03 2018-10-02 Flir Systems, Inc. Imager with array of multiple infrared imaging modules
DE102010008456A1 (de) * 2010-02-18 2011-08-18 Testo AG, 79853 Verfahren zur Extraktion eines IR-Bildes und Wärmebildkamera
US8610062B2 (en) 2011-03-24 2013-12-17 Raytheon Company Apparatus and method for multi-spectral imaging
CA2838992C (en) * 2011-06-10 2018-05-01 Flir Systems, Inc. Non-uniformity correction techniques for infrared imaging devices
KR102221116B1 (ko) * 2015-02-27 2021-02-26 에스케이하이닉스 주식회사 크로스 커널 구조의 중간값 필터를 이용한 영상 잡음 제거장치 및 방법
CN107534734B (zh) 2015-04-27 2020-03-10 菲力尔系统公司 具有热成像能力的湿度测量装置及相关方法
WO2017073348A1 (ja) 2015-10-27 2017-05-04 富士フイルム株式会社 赤外線撮像装置及びその制御方法、並びに車両
US20230041139A1 (en) * 2021-08-09 2023-02-09 Cyan Systems Image processing for oversampled infrared imaging

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US3996421A (en) * 1975-09-02 1976-12-07 Hughes Aircraft Company Television display utilizing local area brightness control
US4231065A (en) * 1979-01-11 1980-10-28 Honeywell Inc. Local area contrast enhancement device
US4298887A (en) * 1980-06-09 1981-11-03 Rockwell International Corporation Non-uniformity correction in a multielement detector array
US4736439A (en) * 1985-05-24 1988-04-05 The United States Of America As Represented By The Secretary Of The Navy Image preprocessing by modified median filter
US4782389A (en) * 1987-04-30 1988-11-01 Rca Licensing Corporation Adaptive M-tile sample producer
US4783840A (en) * 1987-12-04 1988-11-08 Polaroid Corporation Method for enhancing image data by noise reduction or sharpening

Also Published As

Publication number Publication date
IL93059A (en) 1994-02-27
KR930011510B1 (ko) 1993-12-08
KR910700583A (ko) 1991-03-15
DE69010411T2 (de) 1994-10-27
US4975864A (en) 1990-12-04
EP0406410A1 (de) 1991-01-09
JPH03504766A (ja) 1991-10-17
WO1990009076A1 (en) 1990-08-09
EP0406410B1 (de) 1994-07-06

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee