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    • 7. 发明授权
    • 정방형의 비대칭성 균일반복 어레이 부호화 개구 이미징시스템
    • 정방형의비대칭성균일반복어레이부호화개구이미징시스템
    • KR100388577B1
    • 2003-08-19
    • KR1019980705452
    • 1997-01-14
    • 에이아이엘 시스템즈, 인코포레이티드
    • 치오우월터오지리리차드씨.
    • G01T1/20
    • G01T1/167G01T1/295
    • A square anti-symmetric uniformly redundant array coded aperture includes transparent and opaque cells and exhibits a normal mask pattern at a first position and a complementary mask pattern when rotated to a second position rotationally offset by 90 DEG from the first position. The coded aperture is utilized in a coded aperture imaging system for imaging a source of non-focusable radiation such as a gamma ray or x-ray emitting source. Such a coded aperture imaging system basically includes a square anti-symmetric uniformly redundant array coded aperture for receiving radiation emitted by a source and generating a first coded shadow therefrom at the first position, and a second coded shadow therefrom at the second position, a rotating platform and motor for rotating the coded aperture between the first and second position, a position sensitive detector situated with respect to the coded aperture to allow the first and second coded shadows to sequentially impinge on the detector, the detector respectively generating a first coded optical signal and a second coded optical signal in response thereto, an optical signal convertor responsive to the first and second coded optical signals and respectively generating a first coded electrical signal and a second coded electrical signal in response thereto and a signal processor responsive to the first and second coded electrical signals and decoding the coded electrical signals to generate an image signal which is representative of an image of the source of non-focusable radiation.
    • 方形反对称均匀冗余阵列编码孔径包括透明和不透明单元,并在第一位置呈现正常掩模图案,并且在旋转到与第一位置旋转偏移90°的第二位置时呈现互补掩模图案。 编码孔径用于编码孔径成像系统中,用于对诸如伽马射线或x射线发射源之类的不可聚焦辐射源进行成像。 这种编码孔径成像系统基本上包括方形反对称均匀冗余阵列编码孔径,用于接收由源发出的辐射并从第一位置产生第一编码阴影以及由此在第二位置产生第二编码阴影, 平台和马达,用于在第一和第二位置之间旋转编码孔径;位置敏感检测器,相对于编码孔径设置,以允许第一和第二编码阴影顺序地撞击检测器,检测器分别产生第一编码光信号 以及响应于此的第二编码光信号;光信号转换器,响应第一和第二编码光信号并分别响应于此产生第一编码电信号和第二编码电信号;以及信号处理器,响应于第一和第二 编码的电信号并对编码的电信号进行解码 以产生表示不可聚焦辐射源的图像的图像信号。
    • 9. 发明公开
    • 코드화된 개구 이미징 시스템
    • 编码孔径成像系统
    • KR1020080021040A
    • 2008-03-06
    • KR1020077029867
    • 2006-05-23
    • 키네티큐 리미티드
    • 스린저,크리스토퍼,윌리암레위스,케이뜨,로더
    • G01T1/29G01B15/00
    • G01T1/295G02B27/00G02B2207/129G06T1/0007H04N5/2259H04N5/33H04N5/335
    • This invention relates to coded aperture imaging apparatus and methods. In one aspect a coded aperture imager has at least one detector array and a reconfigurable coded aperture mask means. A reconfigurable coded aperture mask means can display various coded aperture masks to provide imaging across different fields of view and/or with different resolution without requiring any moving parts or bulky optical components. More than one detector array can be used to provide large area imaging without requiring seamless tiling and this represents another aspect of the invention. The present invention also relates to the use of coded aperture imaging in the visible, ultraviolet or infrared wavebands. The use of coded aperture imaging for imaging through a curved optical element is taught as the image decoding can automatically remove any aberrations introduced by the curved element. ® KIPO & WIPO 2008
    • 本发明涉及编码孔径成像装置和方法。 在一个方面,编码孔径成像器具有至少一个检测器阵列和可重新配置的编码孔径掩模装置。 可重构编码孔径掩模装置可以显示各种编码孔径掩模,以在不同视场和/或具有不同分辨率的情况下提供成像,而不需要任何移动部件或庞大的光学部件。 可以使用多于一个的检测器阵列来提供大面积成像,而不需要无缝拼接,这代表了本发明的另一方面。 本发明还涉及在可见光,紫外或红外波段中使用编码孔径成像。 教导了通过弯曲光学元件进行成像的编码孔径成像的使用,因为图像解码可以自动消除由弯曲元件引入的任何像差。 ®KIPO&WIPO 2008