IL97254A - מערכת מתאם אופטית לתגבור דמות - Google Patents

מערכת מתאם אופטית לתגבור דמות

Info

Publication number
IL97254A
IL97254A IL9725491A IL9725491A IL97254A IL 97254 A IL97254 A IL 97254A IL 9725491 A IL9725491 A IL 9725491A IL 9725491 A IL9725491 A IL 9725491A IL 97254 A IL97254 A IL 97254A
Authority
IL
Israel
Prior art keywords
image
enhanced optical
filter
correlation system
spatial
Prior art date
Application number
IL9725491A
Other languages
English (en)
Other versions
IL97254A0 (en
Original Assignee
Grumman Aerospace 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
Application filed by Grumman Aerospace Corp filed Critical Grumman Aerospace Corp
Publication of IL97254A0 publication Critical patent/IL97254A0/xx
Publication of IL97254A publication Critical patent/IL97254A/he

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
    • G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements
    • G06E3/003—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters
    • G06V10/89—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters using frequency domain filters, e.g. Fourier masks implemented on spatial light modulators
    • G06V10/893—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters using frequency domain filters, e.g. Fourier masks implemented on spatial light modulators characterised by the kind of filter
    • G06V10/895—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters using frequency domain filters, e.g. Fourier masks implemented on spatial light modulators characterised by the kind of filter the filter being related to phase processing, e.g. phase-only filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Holo Graphy (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
IL9725491A 1990-02-16 1991-02-17 מערכת מתאם אופטית לתגבור דמות IL97254A (he)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/481,446 US5107351A (en) 1990-02-16 1990-02-16 Image enhanced optical correlator system

Publications (2)

Publication Number Publication Date
IL97254A0 IL97254A0 (en) 1992-05-25
IL97254A true IL97254A (he) 1994-04-12

Family

ID=23911979

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9725491A IL97254A (he) 1990-02-16 1991-02-17 מערכת מתאם אופטית לתגבור דמות

Country Status (5)

Country Link
US (1) US5107351A (he)
EP (1) EP0469148A4 (he)
JP (1) JPH04505672A (he)
IL (1) IL97254A (he)
WO (1) WO1991012552A1 (he)

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US5235461A (en) * 1992-03-30 1993-08-10 The United States Of America As Represented By The Secretary Of The Army Optical encoding and correlation system
JP2774738B2 (ja) * 1992-05-27 1998-07-09 シャープ株式会社 画像符号化復元システム
US5376807A (en) * 1993-04-07 1994-12-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Motion-sensitive optical correlator using a VanderLugt Correlator
JP3266703B2 (ja) * 1993-07-22 2002-03-18 旭光学工業株式会社 レーザ描画装置
US6285395B1 (en) * 1993-11-18 2001-09-04 Hughes Electonics Corporation Earth sensor for satellite
US5493444A (en) * 1994-04-28 1996-02-20 The United States Of America As Represented By The Secretary Of The Air Force Photorefractive two-beam coupling nonlinear joint transform correlator
US5940537A (en) * 1996-01-16 1999-08-17 Tamarack Storage Devices Method and system for compensating for geometric distortion of images
JP3442220B2 (ja) * 1996-05-15 2003-09-02 シスメックス株式会社 光散乱媒体中物体の可視化光学システム
US6421163B1 (en) * 1998-11-05 2002-07-16 Comptic, Inc. Two dimensional transform generator
US6330361B1 (en) * 1999-03-16 2001-12-11 Litton Systems, Inc. Adaptively aligned optical correlator and method
US7194139B1 (en) 1999-05-19 2007-03-20 Lenslet Ltd. Image compression
US6731819B1 (en) * 1999-05-21 2004-05-04 Olympus Optical Co., Ltd. Optical information processing apparatus capable of various types of filtering and image processing
DE19926812A1 (de) * 1999-06-13 2000-12-14 Arno Euteneuer Strahlungs-Meßvorrichtung
WO2001078261A2 (en) * 2000-04-10 2001-10-18 Lenslet Ltd. Ofdm modem with an optical processor
US6677999B2 (en) * 2001-07-09 2004-01-13 Hewlett-Packard Development Company, L.P. Non-polarizing LCD shutter
JP3844460B2 (ja) * 2002-08-05 2006-11-15 パイオニア株式会社 空間光変調器
US20080080869A1 (en) * 2004-10-06 2008-04-03 Arnan Mitchell Optical Signal Processing Device
EP1886257A1 (en) 2005-05-11 2008-02-13 Optosecurity Inc. Method and system for screening luggage items, cargo containers or persons
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
US20070041613A1 (en) * 2005-05-11 2007-02-22 Luc Perron Database of target objects suitable for use in screening receptacles or people and method and apparatus for generating same
EP1969328B1 (en) * 2005-12-09 2019-06-12 Massachusetts Institute Of Technology Two-dimensional spectral shearing interferometry for ultrafast pulse characterization
US7336219B1 (en) * 2005-12-30 2008-02-26 Valeo Raytheon Systems, Inc. System and method for generating a radar detection threshold
CA2584683A1 (en) * 2006-04-20 2007-10-20 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons
US7899232B2 (en) 2006-05-11 2011-03-01 Optosecurity Inc. Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same
US8494210B2 (en) 2007-03-30 2013-07-23 Optosecurity Inc. User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same
US20080152082A1 (en) * 2006-08-16 2008-06-26 Michel Bouchard Method and apparatus for use in security screening providing incremental display of threat detection information and security system incorporating same
KR100795160B1 (ko) * 2007-03-22 2008-01-16 주식회사 아트닉스 얼굴영역검출장치 및 검출방법
GB0907965D0 (en) * 2009-05-08 2009-06-24 King S College London Imaging system
JP5222820B2 (ja) * 2009-09-30 2013-06-26 株式会社日立ハイテクノロジーズ 異物検査方法および異物検査装置
US8913859B1 (en) * 2011-04-12 2014-12-16 Lockheed Martin Corporation Segmented planar imaging detector for electro-optic reconnaissance
US9698567B2 (en) * 2011-07-14 2017-07-04 Applied Optoelectronics, Inc. Wavelength-selectable laser device providing spatially-selectable wavelength(S)
ES2675308T3 (es) 2011-09-07 2018-07-10 Rapiscan Systems, Inc. Sistema de inspección de rayos X que integra datos de manifiesto con procesamiento de obtención de imágenes/detección
EP3772702A3 (en) 2016-02-22 2021-05-19 Rapiscan Systems, Inc. Methods for processing radiographic images

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FR2499735A1 (fr) * 1981-02-06 1982-08-13 Thomson Csf Dispositif optique transformateur de fourier et correlateur optique mettant en oeuvre ce dispositif optique transformateur de fourier
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Also Published As

Publication number Publication date
WO1991012552A1 (en) 1991-08-22
JPH04505672A (ja) 1992-10-01
EP0469148A4 (en) 1993-03-31
IL97254A0 (en) 1992-05-25
EP0469148A1 (en) 1992-02-05
US5107351A (en) 1992-04-21

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