EA199800639A1 - Система формирования изображений с использованием кодированной апертуры с квадратной антисимметричной равномерно дублированной матрицей - Google Patents

Система формирования изображений с использованием кодированной апертуры с квадратной антисимметричной равномерно дублированной матрицей

Info

Publication number
EA199800639A1
EA199800639A1 EA199800639A EA199800639A EA199800639A1 EA 199800639 A1 EA199800639 A1 EA 199800639A1 EA 199800639 A EA199800639 A EA 199800639A EA 199800639 A EA199800639 A EA 199800639A EA 199800639 A1 EA199800639 A1 EA 199800639A1
Authority
EA
Eurasian Patent Office
Prior art keywords
coded
coded aperture
signals
radiation
optical signals
Prior art date
Application number
EA199800639A
Other languages
English (en)
Other versions
EA000675B1 (ru
Inventor
Уолтер Чиоу
Ричард К. Оджери
Original Assignee
Эйл Системз, Инк.
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 Эйл Системз, Инк. filed Critical Эйл Системз, Инк.
Publication of EA199800639A1 publication Critical patent/EA199800639A1/ru
Publication of EA000675B1 publication Critical patent/EA000675B1/ru

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/167—Measuring radioactive content of objects, e.g. contamination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2921—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
    • G01T1/295—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using coded aperture devices, e.g. Fresnel zone plates

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Exposure Control For Cameras (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Eye Examination Apparatus (AREA)
  • Vehicle Body Suspensions (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

Кодированная апертура с квадратной антисимметричной равномерно дублированной матрицей содержит прозрачные и непрозрачные ячейки и имеет нормальную масочную структуру в первом положении и дополняющую масочную структуру после ее поворота на 90° относительно первого положения. Кодированная апертура используется в системе для формирования изображений нефокусируемого излучения, такого как гамма- или рентгеновское излучение. Система формирования изображений содержит кодированную апертуру для приема излучения (20) от источника и формирования из него кодированных теней в двух положениях, поворотную подставку (24) и двигатель (30) для поворота кодированной апертуры между двумя положениями, позиционно-чувствительный детектор (10), формирующий кодированные оптические сигналы теней, последовательно падающих на него, преобразователь (34) оптических сигналов, вырабатывающий кодированные электрические сигналы из оптических сигналов, и процессор (14) сигналов, декодирующий электрические сигналы и формирующий сигнал изображения источника нефокусируемого излучения.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA199800639A 1996-01-16 1997-01-14 Система формирования изображений с использованием кодированной апертуры с квадратной антисимметричной равномерно дублированной матрицей EA000675B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/586,555 US5606165A (en) 1993-11-19 1996-01-16 Square anti-symmetric uniformly redundant array coded aperture imaging system
PCT/US1997/000527 WO1997026557A1 (en) 1996-01-16 1997-01-14 Square anti-symmetric uniformly redundant array coded aperture imaging system

Publications (2)

Publication Number Publication Date
EA199800639A1 true EA199800639A1 (ru) 1998-12-24
EA000675B1 EA000675B1 (ru) 2000-02-28

Family

ID=24346223

Family Applications (1)

Application Number Title Priority Date Filing Date
EA199800639A EA000675B1 (ru) 1996-01-16 1997-01-14 Система формирования изображений с использованием кодированной апертуры с квадратной антисимметричной равномерно дублированной матрицей

Country Status (15)

Country Link
US (1) US5606165A (ru)
EP (1) EP0920643B1 (ru)
JP (2) JP3919222B2 (ru)
KR (1) KR100388577B1 (ru)
AT (1) ATE243327T1 (ru)
AU (1) AU1827697A (ru)
CA (1) CA2242992C (ru)
DE (1) DE69722938T2 (ru)
EA (1) EA000675B1 (ru)
ES (1) ES2205174T3 (ru)
IL (1) IL125360A (ru)
IN (1) IN191992B (ru)
TW (1) TW340909B (ru)
WO (1) WO1997026557A1 (ru)
ZA (1) ZA97325B (ru)

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Also Published As

Publication number Publication date
EP0920643B1 (en) 2003-06-18
ZA97325B (en) 1998-03-09
EP0920643A1 (en) 1999-06-09
DE69722938D1 (de) 2003-07-24
IL125360A0 (en) 1999-03-12
ES2205174T3 (es) 2004-05-01
JP3919222B2 (ja) 2007-05-23
AU1827697A (en) 1997-08-11
WO1997026557A1 (en) 1997-07-24
EA000675B1 (ru) 2000-02-28
JP2000503393A (ja) 2000-03-21
ATE243327T1 (de) 2003-07-15
KR100388577B1 (ko) 2003-08-19
CA2242992C (en) 2008-04-15
TW340909B (en) 1998-09-21
JP2006227024A (ja) 2006-08-31
KR19990077306A (ko) 1999-10-25
IL125360A (en) 2001-06-14
CA2242992A1 (en) 1997-07-24
EP0920643A4 (ru) 1999-06-09
DE69722938T2 (de) 2004-05-19
US5606165A (en) 1997-02-25
IN191992B (ru) 2004-02-07

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