DE69730481D1 - Szenenabhängiger Ungleichmässigkeitenkorrekturprozessor mit Bewegungsberücksichtigung - Google Patents

Szenenabhängiger Ungleichmässigkeitenkorrekturprozessor mit Bewegungsberücksichtigung

Info

Publication number
DE69730481D1
DE69730481D1 DE69730481T DE69730481T DE69730481D1 DE 69730481 D1 DE69730481 D1 DE 69730481D1 DE 69730481 T DE69730481 T DE 69730481T DE 69730481 T DE69730481 T DE 69730481T DE 69730481 D1 DE69730481 D1 DE 69730481D1
Authority
DE
Germany
Prior art keywords
scene
uniformity correction
correction processor
dependent non
consideration
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 - Lifetime
Application number
DE69730481T
Other languages
English (en)
Other versions
DE69730481T2 (de
Inventor
Spencer W White
Donald F King
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
Raytheon 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 Raytheon Co filed Critical Raytheon Co
Publication of DE69730481D1 publication Critical patent/DE69730481D1/de
Application granted granted Critical
Publication of DE69730481T2 publication Critical patent/DE69730481T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
DE69730481T 1996-12-19 1997-09-29 Szenenabhängiger Ungleichmässigkeitenkorrekturprozessor mit Bewegungsberücksichtigung Expired - Lifetime DE69730481T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US769558 1996-12-19
US08/769,558 US5721427A (en) 1996-12-19 1996-12-19 Scene-based nonuniformity correction processor incorporating motion triggering

Publications (2)

Publication Number Publication Date
DE69730481D1 true DE69730481D1 (de) 2004-10-07
DE69730481T2 DE69730481T2 (de) 2005-09-08

Family

ID=25085812

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69730481T Expired - Lifetime DE69730481T2 (de) 1996-12-19 1997-09-29 Szenenabhängiger Ungleichmässigkeitenkorrekturprozessor mit Bewegungsberücksichtigung

Country Status (5)

Country Link
US (1) US5721427A (de)
EP (1) EP0849941B1 (de)
JP (1) JP3208106B2 (de)
DE (1) DE69730481T2 (de)
IL (1) IL121864A (de)

Families Citing this family (38)

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US6507018B2 (en) * 1996-08-30 2003-01-14 Raytheon Company Ditherless non-uniformity compensation for infrared detector arrays with recursive spatial low pass filtering
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
US6215115B1 (en) * 1998-11-12 2001-04-10 Raytheon Company Accurate target detection system for compensating detector background levels and changes in signal environments
US6700124B1 (en) * 1999-01-14 2004-03-02 Matsushita Electric Industrial Co., Ltd. Infrared imaging device, vehicle having the same installed therein, and infrared image adjustment device
JP2002077723A (ja) * 2000-09-01 2002-03-15 Minolta Co Ltd 動画像処理装置、動画像処理方法および記録媒体
US7103235B2 (en) * 2001-04-25 2006-09-05 Lockheed Martin Corporation Extended range image processing for electro-optical systems
US6973218B2 (en) * 2001-04-25 2005-12-06 Lockheed Martin Corporation Dynamic range compression
US7016550B2 (en) * 2002-04-19 2006-03-21 Lockheed Martin Corporation Scene-based non-uniformity offset correction for staring arrays
US6901173B2 (en) * 2001-04-25 2005-05-31 Lockheed Martin Corporation Scene-based non-uniformity correction for detector arrays
US8958654B1 (en) * 2001-04-25 2015-02-17 Lockheed Martin Corporation Method and apparatus for enhancing three-dimensional imagery data
US7064785B2 (en) * 2002-02-07 2006-06-20 Eastman Kodak Company Apparatus and method of correcting for dark current in a solid state image sensor
GB0205482D0 (en) * 2002-03-08 2002-04-24 Bae Systems Plc Improvements in or relating to infra red camera calibration
US6969858B2 (en) * 2002-10-22 2005-11-29 Northrop Grumman Corporation Optical spatial interconnect net
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
CN100515333C (zh) * 2002-12-10 2009-07-22 皇家飞利浦电子股份有限公司 活动监视
US7463753B2 (en) * 2004-09-15 2008-12-09 Raytheon Company FLIR-to-missile boresight correlation and non-uniformity compensation of the missile seeker
JP4760089B2 (ja) 2004-10-14 2011-08-31 日産自動車株式会社 車載画像処理装置、および画像処理方法
JP4548128B2 (ja) * 2005-01-26 2010-09-22 ソニー株式会社 欠陥検出装置および欠陥検出方法、ならびに撮像装置
US7683945B2 (en) * 2006-03-30 2010-03-23 Raytheon Company Responsivity correction for electro-optical imagers
US20110169960A1 (en) * 2006-11-13 2011-07-14 Redshift Systems Corporation Video enhancement system
US20080212895A1 (en) * 2007-01-09 2008-09-04 Lockheed Martin Corporation Image data processing techniques for highly undersampled images
US9235876B2 (en) 2009-03-02 2016-01-12 Flir Systems, Inc. Row and column noise reduction in thermal images
US9843742B2 (en) 2009-03-02 2017-12-12 Flir Systems, Inc. Thermal image frame capture using de-aligned sensor array
US9208542B2 (en) 2009-03-02 2015-12-08 Flir Systems, Inc. Pixel-wise noise reduction in thermal images
WO2012170949A2 (en) 2011-06-10 2012-12-13 Flir Systems, Inc. Non-uniformity correction techniques for infrared imaging devices
US10091439B2 (en) 2009-06-03 2018-10-02 Flir Systems, Inc. Imager with array of multiple infrared imaging modules
US8428385B2 (en) * 2009-06-24 2013-04-23 Flir Systems, Inc. Non-uniformity error correction with a bilateral filter
US8625005B2 (en) * 2010-11-05 2014-01-07 Raytheon Company First-in-first-out (FIFO) buffered median scene non-uniformity correction method
CN109618084B (zh) 2011-06-10 2021-03-05 菲力尔系统公司 红外成像系统和方法
US9143703B2 (en) 2011-06-10 2015-09-22 Flir Systems, Inc. Infrared camera calibration techniques
CN102914369B (zh) * 2011-08-05 2015-02-04 平阳电力有限责任公司 一种变电站在线式红外成像装置
WO2014100786A1 (en) * 2012-12-21 2014-06-26 Flir Systems, Inc. Selective image correction for infrared imaging devices
US9924138B1 (en) * 2015-01-16 2018-03-20 Rockwell Collins, Inc. Combined air-turbulence, ice, volcanic-ash aerosols, passive LWIR optical systems for cruising-airplane safety
CN104867157B (zh) * 2015-06-01 2018-02-02 北京万东医疗科技股份有限公司 一种ct探测器像素响应不一致性的校正方法
US10931901B2 (en) * 2016-08-31 2021-02-23 Flir Systems Ab Method and apparatus for selectively correcting fixed pattern noise based on pixel difference values of infrared images
US11113791B2 (en) 2017-01-03 2021-09-07 Flir Systems, Inc. Image noise reduction using spectral transforms

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4975864A (en) * 1989-01-26 1990-12-04 Hughes Aircraft Company Scene based nonuniformity compensation for starting focal plane arrays
US5323334A (en) * 1992-12-04 1994-06-21 Hughes Aircraft Company Sensor system having nonuniformity suppression with image preservation
US5471240A (en) * 1993-11-15 1995-11-28 Hughes Aircraft Company Nonuniformity correction of an imaging sensor using region-based correction terms
US5604347A (en) * 1995-07-13 1997-02-18 General Electric Company Method and means for compensating for row variable offsets in a large area solid state x-ray detector

Also Published As

Publication number Publication date
JP3208106B2 (ja) 2001-09-10
IL121864A (en) 2000-07-26
EP0849941B1 (de) 2004-09-01
EP0849941A2 (de) 1998-06-24
US5721427A (en) 1998-02-24
JPH10271393A (ja) 1998-10-09
EP0849941A3 (de) 2000-05-17
IL121864A0 (en) 1998-02-22
DE69730481T2 (de) 2005-09-08

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