IL121864A - Scene-based nonuniformity correction processor incorporating motion triggering - Google Patents

Scene-based nonuniformity correction processor incorporating motion triggering

Info

Publication number
IL121864A
IL121864A IL12186497A IL12186497A IL121864A IL 121864 A IL121864 A IL 121864A IL 12186497 A IL12186497 A IL 12186497A IL 12186497 A IL12186497 A IL 12186497A IL 121864 A IL121864 A IL 121864A
Authority
IL
Israel
Prior art keywords
scene
correction processor
nonuniformity correction
processor incorporating
motion triggering
Prior art date
Application number
IL12186497A
Other languages
English (en)
Other versions
IL121864A0 (en
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 IL121864A0 publication Critical patent/IL121864A0/xx
Publication of IL121864A publication Critical patent/IL121864A/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Nuclear Medicine (AREA)
  • Image Processing (AREA)
IL12186497A 1996-12-19 1997-09-29 Scene-based nonuniformity correction processor incorporating motion triggering IL121864A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
IL121864A0 IL121864A0 (en) 1998-02-22
IL121864A true IL121864A (en) 2000-07-26

Family

ID=25085812

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12186497A IL121864A (en) 1996-12-19 1997-09-29 Scene-based nonuniformity correction processor incorporating motion triggering

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)

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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
WO2000042399A1 (en) * 1999-01-14 2000-07-20 Matsushita Electric Industrial Co., Ltd. Infrared imaging device, vehicle with the same, and infrared image adjusting 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
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
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
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
EP1571990B1 (de) * 2002-12-10 2008-06-04 Koninklijke Philips Electronics N.V. Aktivitätsüberwachung
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
US9208542B2 (en) 2009-03-02 2015-12-08 Flir Systems, Inc. Pixel-wise 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
WO2012170946A2 (en) 2011-06-10 2012-12-13 Flir Systems, Inc. Low power and small form factor infrared imaging
US9235876B2 (en) 2009-03-02 2016-01-12 Flir Systems, Inc. Row and column noise reduction in thermal images
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
US9143703B2 (en) 2011-06-10 2015-09-22 Flir Systems, Inc. Infrared camera calibration techniques
CN103875235B (zh) 2011-06-10 2018-10-12 菲力尔系统公司 用于红外成像装置的非均匀性校正技术
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
EP0849941B1 (de) 2004-09-01
DE69730481T2 (de) 2005-09-08
US5721427A (en) 1998-02-24
EP0849941A3 (de) 2000-05-17
IL121864A0 (en) 1998-02-22
EP0849941A2 (de) 1998-06-24
DE69730481D1 (de) 2004-10-07
JP3208106B2 (ja) 2001-09-10
JPH10271393A (ja) 1998-10-09

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