JP4054424B2 - 光学レンズ又はミラートレインにおけるフーリエ操作の方法及び装置 - Google Patents

光学レンズ又はミラートレインにおけるフーリエ操作の方法及び装置 Download PDF

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Publication number
JP4054424B2
JP4054424B2 JP34070497A JP34070497A JP4054424B2 JP 4054424 B2 JP4054424 B2 JP 4054424B2 JP 34070497 A JP34070497 A JP 34070497A JP 34070497 A JP34070497 A JP 34070497A JP 4054424 B2 JP4054424 B2 JP 4054424B2
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image
light
spatial
optical system
optical element
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JP34070497A
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Japanese (ja)
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JPH10221648A5 (enExample
JPH10221648A (ja
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エフ． パシュ ニコラス
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LSI Corp
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LSI Logic Corp
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Image Processing (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP34070497A 1996-11-26 1997-11-26 光学レンズ又はミラートレインにおけるフーリエ操作の方法及び装置 Expired - Fee Related JP4054424B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/756,662 US5959776A (en) 1996-11-26 1996-11-26 Method and apparatus of Fourier manipulation in an optic lens or mirror train
US756,662 1996-11-26

Publications (3)

Publication Number Publication Date
JPH10221648A JPH10221648A (ja) 1998-08-21
JPH10221648A5 JPH10221648A5 (enExample) 2005-07-14
JP4054424B2 true JP4054424B2 (ja) 2008-02-27

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ID=25044491

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JP34070497A Expired - Fee Related JP4054424B2 (ja) 1996-11-26 1997-11-26 光学レンズ又はミラートレインにおけるフーリエ操作の方法及び装置

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US (1) US5959776A (enExample)
JP (1) JP4054424B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6650476B1 (en) * 1999-02-25 2003-11-18 Lester Frank Ludwig Image processing utilizing non-positive-definite transfer functions via fractional fourier transform
US7054504B2 (en) * 1999-02-25 2006-05-30 Ludwig Lester F Relative optical path phase reconstruction in the correction of misfocused images using fractional powers of the fourier transform
US7039252B2 (en) * 1999-02-25 2006-05-02 Ludwig Lester F Iterative approximation environments for modeling the evolution of an image propagating through a physical medium in restoration and other applications
US6762882B2 (en) * 2002-11-14 2004-07-13 Agfa Corporation System and method for use of dark field fourier diaphragm in multi-frequency imaging
US8031969B1 (en) * 2004-09-07 2011-10-04 Nvidia Corporation Fourier transform optimized anisotropic filtering
US20060056729A1 (en) * 2004-09-15 2006-03-16 Hillis W D Fourier domain camera
JP5080414B2 (ja) * 2008-09-30 2012-11-21 富士通フロンテック株式会社 情報読取用撮像装置
CN112987528B (zh) * 2021-03-08 2022-03-22 昆明理工大学 一种基于4f系统实现环形光进行边缘提取的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729252A (en) * 1970-06-05 1973-04-24 Eastman Kodak Co Optical spatial filtering with multiple light sources
US3700902A (en) * 1971-01-13 1972-10-24 Itek Corp Optical information processing using variable electro-optic spatial filter
US4370024A (en) * 1980-05-06 1983-01-25 The United States Of America As Represented By The Secretary Of The Air Force Dynamic binary fourier filtered imaging system
JPH02222921A (ja) * 1989-02-23 1990-09-05 Tokyo Electron Ltd 光学フィルタ装置
US5072314A (en) * 1990-04-04 1991-12-10 Rockwell International Corporation Image enhancement techniques using selective amplification of spatial frequency components
US5119443A (en) * 1990-06-14 1992-06-02 Bahram Javidi Nonlinear joint transform optical correlator having varying degrees of nonlinearity
US5638211A (en) * 1990-08-21 1997-06-10 Nikon Corporation Method and apparatus for increasing the resolution power of projection lithography exposure system
US5337183A (en) * 1991-02-01 1994-08-09 Yeda Research And Development Co. Ltd. Distributed resonant cavity light beam modulator
JPH0588079A (ja) * 1991-09-30 1993-04-09 Matsushita Electric Ind Co Ltd フ−リエ変換レンズおよび光情報処理装置
JP2857273B2 (ja) * 1991-12-24 1999-02-17 科学技術振興事業団 収差補正法及び収差補正装置
US5311359A (en) * 1992-12-24 1994-05-10 Litton Systems, Inc. Reflective optical correlator with a folded asymmetrical optical axis
JP3089939B2 (ja) * 1994-03-15 2000-09-18 松下電器産業株式会社 フーリエ変換光学装置
JPH07261125A (ja) * 1994-03-24 1995-10-13 Olympus Optical Co Ltd 投影型画像表示装置

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Publication number Publication date
US5959776A (en) 1999-09-28
JPH10221648A (ja) 1998-08-21

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