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    • 3. 发明授权
    • Apparatus for capturing radiation image, medical imaging system, and method of capturing radiation image
    • 用于捕获放射线图像的装置,医学成像系统以及捕获放射线图像的方法
    • US08867701B2
    • 2014-10-21
    • US13465012
    • 2012-05-06
    • Dong-goo KangJong-chul YeJi-young ChoiYoung-hun SungSeok-min Han
    • Dong-goo KangJong-chul YeJi-young ChoiYoung-hun SungSeok-min Han
    • A61B6/02A61B6/00
    • A61B6/482A61B6/5217A61B6/583
    • An apparatus for capturing a radiation image of a subject including at least two materials includes a radiation irradiating unit configured to irradiate multi-energy radiation including at least two energy bands to a calibration model including a plurality of thicknesses of each of the at least two materials; an attenuation-coefficient estimating unit configured to estimate attenuation coefficients for each of the at least two materials for each of the at least two energy bands based on values obtained by passing the multi-energy radiation through the calibration model; and an energy-band determining unit configured to determine an optimal combination of at least two energy bands to be included in multi-energy radiation to be irradiated to the subject from a plurality of different combinations of at least two energy bands based on the estimated attenuation coefficients and the values obtained by passing the multi-energy radiation through the calibration model.
    • 一种用于捕获包括至少两种材料的对象的放射线图像的装置包括:辐射照射单元,被配置为将包括至少两个能带的多能辐射照射到包括至少两种材料中的每一种的多个厚度的校准模型 ; 衰减系数估计单元,被配置为基于通过使多能辐射通过校准模型获得的值来估计至少两个能带中的每一个的至少两种材料中的每一种的衰减系数; 以及能量带确定单元,被配置为基于所估计的衰减,从至少两个能带的多个不同组合中确定要包括在待照射到被摄体的多能辐射中的至少两个能带的最佳组合 系数和通过使多能辐射通过校准模型获得的值。