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    • 12. 发明授权
    • Reduced access X-ray imaging device
    • 减少接入X射线成像装置
    • US06442237B1
    • 2002-08-27
    • US09682615
    • 2001-09-27
    • Nelson Raymond Corby, Jr.Clifford Bueno
    • Nelson Raymond Corby, Jr.Clifford Bueno
    • G01B1506
    • G01N23/04
    • An x-ray imaging device includes a borescope and an x-ray detector positioned at a distal end of the borescope. The x-ray detector can be configured to be movable into and out of an optical path and can include a scintillation screen. The movably configured x-ray detector can be moved into the optical path, when x-rays are impinging, and out of the optical path, when a visible image of a test object is desired, facilitating navigation of the x-ray detector through a test object. The x-ray imaging device can include an imager, for converting an image to an electronic format. The imager can be positioned at the proximal end of the borescope, with the borescope including a waveguide, for guiding light to a proximal end thereof. Alternatively, the imager can be positioned between the distal end of the borescope and the x-ray detector.
    • x射线成像装置包括定位在管孔镜远端的管状镜和x射线检测器。 X射线检测器可以被配置为可移动进出光路并且可以包括闪烁屏。 当X射线入射时,可移动构造的X射线检测器可以移动到光路中,并且当需要测试对象的可见图像时,在光路之外移动,便于X射线检测器的导航 测试对象。 x射线成像装置可以包括用于将图像转换成电子格式的成像器。 成像器可以位于管道镜的近端处,其中管状镜包括波导,用于将光引导到其近端。 或者,成像器可以位于管道镜的远端和x射线检测器之间。
    • 16. 发明申请
    • METHOD FOR REGISTERING A STORAGE PHOSPHOR SCREEN
    • 注册存储荧光屏的方法
    • US20080185535A1
    • 2008-08-07
    • US11756989
    • 2007-06-01
    • Clifford BuenoNelson Raymond CorbyKenneth Gordon Herd
    • Clifford BuenoNelson Raymond CorbyKenneth Gordon Herd
    • G01N21/64
    • G01T1/2014
    • A computed radiography (CR) system for imaging an object is provided. The system includes a radiation source, a storage phosphor screen, an illumination source and a two dimensional imager. The radiation source is configured to irradiate the storage phosphor screen, and the storage phosphor screen is configured to store the radiation energy. The illumination source is configured to illuminate at least a sub-area of the storage phosphor screen to stimulate emission of photons from the storage phosphor screen. The two dimensional (2D) imager is configured to capture a two dimensional image from the storage phosphor screen using the stimulated emission photons. A method of reading a storage phosphor screen is also provided. The method includes illuminating at least a sub-area of the storage phosphor screen using an illumination source to stimulate emission of photons from the storage phosphor screen. The method further includes capturing at least one 2D image using a 2D imager, from at least a sub-array of the storage phosphor screen using the stimulated photons.
    • 提供了一种用于成像对象的计算机放射学(CR)系统。 该系统包括辐射源,存储荧光屏,照明源和二维成像器。 辐射源被配置为照射存储荧光屏,并且存储荧光屏被配置为存储辐射能量。 照明源被配置为照亮存储荧光屏的至少一个子区域以刺激来自存储荧光屏的光子的发射。 二维(2D)成像器被配置为使用受激发射光子从存储荧光屏捕获二维图像。 还提供了一种读取存储荧光屏的方法。 该方法包括使用照明源照亮存储荧光屏的至少一个子区域,以刺激来自存储荧光屏的光子的发射。 所述方法还包括使用所述受激光子从所述存储荧光屏的至少子阵列中使用2D成像器捕获至少一个2D图像。
    • 20. 发明申请
    • INTRA-DETECTOR SCATTER CORRECTION
    • 内部检测器散热器校正
    • US20120163695A1
    • 2012-06-28
    • US12975543
    • 2010-12-22
    • Forrest Frank HopkinsClifford Bueno
    • Forrest Frank HopkinsClifford Bueno
    • G06K9/00
    • G06T5/003G06T2207/10116
    • Intra-detector scatter correction methods to improve X-ray images. The method of correcting an X-ray image includes: receiving an original two-dimensional X-ray image; calculating a theoretical scattered image for a array of detector pixels by generating a theoretical point spread (TPS) function of a single pixel for a single line array of detector pixels, based on a system parameter; aggregating the TPS function into a full rotation of line arrays, so as to generating a TPS function for a 2-dimensional array of pixels; and applying the TPS function for a 2-dimensional array of pixels to a plurality of pixels in the detector; and then subtracting the theoretical scattered image from the original two-dimensional X-ray image, so as to create an improved X-ray image.
    • 检测器散射校正方法来改善X射线图像。 校正X射线图像的方法包括:接收原始的二维X射线图像; 基于系统参数,通过为检测器像素的单行阵列生成单个像素的理论点扩展(TPS)函数来计算检测器像素阵列的理论散射图像; 将TPS函数聚合成线阵列的完整旋转,以便为二维像素阵列产生TPS函数; 以及将二维像素阵列的TPS函数应用于所述检测器中的多个像素; 然后从原始的二维X射线图像中减去理论散射图像,以便产生改进的X射线图像。