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Method for Calibrating the Position of a Laser Fan Beam Relative to the Projection Geometry of an X-Ray Device and X-Ray Device
Method for Calibrating the Position of a Laser Fan Beam Relative to the Projection Geometry of an X-Ray Device and X-Ray Device
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机译:校准相对于x射线设备和x射线设备的投影几何形状的激光扇形光束的位置的方法
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摘要
For detecting the relative location of a laser or laser fan beam relative to the x-ray geometry of an x-ray device, a method for calibrating the position of the laser fan beam generated by a laser in relation to the projection geometry of the x-ray device is proposed. The x-ray device comprises an x-ray imaging system featuring an x-ray source and an x-ray detector. The x-ray source, the x-ray detector, the laser, and an imaging facility are arranged on a support. An optical x-ray calibration phantom is used for the calibration. The position of the imaging facility relative to the projection geometry is determined. The position of the laser fan beam relative to the imaging facility is determined. The position of the laser fan beam relative to the projection geometry is reconstructed.
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