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    • 10. 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。