ATE229196T1 - Reflektiver optischer korrelator mit gefalteter optischer achse und mit ferroelektrischen räumlichen flüssigkristall-lichtmodulatoren, der eine hohe ausgangsleitung hat - Google Patents

Reflektiver optischer korrelator mit gefalteter optischer achse und mit ferroelektrischen räumlichen flüssigkristall-lichtmodulatoren, der eine hohe ausgangsleitung hat

Info

Publication number
ATE229196T1
ATE229196T1 AT99943629T AT99943629T ATE229196T1 AT E229196 T1 ATE229196 T1 AT E229196T1 AT 99943629 T AT99943629 T AT 99943629T AT 99943629 T AT99943629 T AT 99943629T AT E229196 T1 ATE229196 T1 AT E229196T1
Authority
AT
Austria
Prior art keywords
liquid crystal
optical axis
high output
crystal light
light modulators
Prior art date
Application number
AT99943629T
Other languages
English (en)
Inventor
David T Carrott
Barry Dydyk
James P Karins
John Lucas
Bob Mitchell
Stuart Mills
Original Assignee
Litton Systems Inc
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 Litton Systems Inc filed Critical Litton Systems Inc
Application granted granted Critical
Publication of ATE229196T1 publication Critical patent/ATE229196T1/de

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
    • G06E3/005—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements using electro-optical or opto-electronic means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
  • Image Analysis (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Image Input (AREA)
AT99943629T 1998-07-30 1999-07-29 Reflektiver optischer korrelator mit gefalteter optischer achse und mit ferroelektrischen räumlichen flüssigkristall-lichtmodulatoren, der eine hohe ausgangsleitung hat ATE229196T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/126,450 US6080994A (en) 1998-07-30 1998-07-30 High output reflective optical correlator having a folded optical axis using ferro-electric liquid crystal spatial light modulators
PCT/US1999/017152 WO2000007082A1 (en) 1998-07-30 1999-07-29 High output reflective optical correlator having a folded optical axis using ferro-electric liquid crystal spatial light modulators

Publications (1)

Publication Number Publication Date
ATE229196T1 true ATE229196T1 (de) 2002-12-15

Family

ID=22424884

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99943629T ATE229196T1 (de) 1998-07-30 1999-07-29 Reflektiver optischer korrelator mit gefalteter optischer achse und mit ferroelektrischen räumlichen flüssigkristall-lichtmodulatoren, der eine hohe ausgangsleitung hat

Country Status (7)

Country Link
US (1) US6080994A (de)
EP (1) EP1099144B1 (de)
JP (1) JP4610084B2 (de)
AT (1) ATE229196T1 (de)
DE (1) DE69904334T2 (de)
TW (1) TW442670B (de)
WO (1) WO2000007082A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0300516D0 (sv) * 2003-02-28 2003-02-28 Micronic Laser Systems Ab SLM direct writer
US7526100B1 (en) * 2003-04-22 2009-04-28 Advanced Optical Systems, Inc. System for processing and recognizing objects in images
US7148797B2 (en) * 2004-07-23 2006-12-12 Innovalarm Corporation Enhanced fire, safety, security and health monitoring and alarm response method, system and device
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
EP1886257A1 (de) 2005-05-11 2008-02-13 Optosecurity Inc. Verfahren und system zum prüfen von gepäckstücken, frachtcontainern oder personen
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
JP4902714B2 (ja) * 2009-09-30 2012-03-21 シャープ株式会社 光ポインティング装置およびそれを備える電子機器、並びに、導光体および導光方法。
JP2013519885A (ja) * 2010-02-12 2013-05-30 アドバンスト フュージョン システムズ エルエルシー 物質を検出するための方法及びシステム
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 (de) 2016-02-22 2021-05-19 Rapiscan Systems, Inc. Verfahren zur verarbeitung radiographischer bilder
KR102778506B1 (ko) * 2022-05-24 2025-03-11 한국전자통신연구원 광학 인공 신경망 시스템
US20230385626A1 (en) * 2022-05-24 2023-11-30 Electronics And Telecommunications Research Institute Optical artificial neural network system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357676A (en) * 1980-09-08 1982-11-02 Ampex Corporation Frequency multiplexed joint transform correlator system
US4573198A (en) * 1982-12-27 1986-02-25 Litton Systems, Inc. Optical image processing/pattern recognition system
US5148496A (en) * 1990-12-24 1992-09-15 Litton Systems, Inc. Optical correlator with symmetric reflective optics
US6219015B1 (en) * 1992-04-28 2001-04-17 The Board Of Directors Of The Leland Stanford, Junior University Method and apparatus for using an array of grating light valves to produce multicolor optical images
US5311359A (en) * 1992-12-24 1994-05-10 Litton Systems, Inc. Reflective optical correlator with a folded asymmetrical optical axis
US5386313A (en) * 1993-03-11 1995-01-31 Szegedi; Nicholas J. Reflective magneto-optic spatial light modulator assembly
US5452137A (en) * 1993-04-05 1995-09-19 Litton Systems Inc. Extenders for reflective optical path segments
US5418380A (en) * 1994-04-12 1995-05-23 Martin Marietta Corporation Optical correlator using ferroelectric liquid crystal spatial light modulators and Fourier transform lenses
US5659637A (en) * 1994-05-26 1997-08-19 Optical Corporation Of America Vander lugt optical correlator on a printed circuit board
JP3968378B2 (ja) * 1996-09-26 2007-08-29 独立行政法人産業技術総合研究所 多重相関を用いたパターン認識システム
US6163403A (en) * 1998-07-30 2000-12-19 Litton Systems, Inc. High output reflective optical correlator having a folded optical axis using grayscale spatial light modulators

Also Published As

Publication number Publication date
EP1099144A1 (de) 2001-05-16
WO2000007082A1 (en) 2000-02-10
EP1099144B1 (de) 2002-12-04
US6080994A (en) 2000-06-27
TW442670B (en) 2001-06-23
DE69904334D1 (de) 2003-01-16
JP4610084B2 (ja) 2011-01-12
JP2002521737A (ja) 2002-07-16
DE69904334T2 (de) 2003-04-17

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