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    • 7. 发明申请
    • RADIATION IMAGING APPARATUS, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM
    • 辐射成像装置,其控制方法和存储介质
    • WO2016194315A1
    • 2016-12-08
    • PCT/JP2016/002377
    • 2016-05-16
    • CANON KABUSHIKI KAISHA
    • TAKEDA, ShinichiTAKENAKA, KatsuroIWASHITA, AtsushiTERUI, Kosuke
    • G01T1/20A61B6/00
    • H04N5/32A61B6/4241
    • The present invention provides a radiation imaging apparatus comprising a scintillator configured to convert radiation into light, a detector including a plurality of pixels each configured to detect an intensity of light converted by the scintillator and configured to count, for each pixel, the number of times of detection of light at each of a plurality of levels concerning the intensity of light, and a processor configured to perform processing of generating an image based on the number of times of detection at each level obtained for each pixel, wherein the processor corrects the number of times of detection, for each pixel, at each level obtained by using information indicating a relationship between energy of radiation and a probability that the detector will count light at each level, and generates an image based on the corrected numbers of times of detection.
    • 本发明提供了一种辐射成像装置,其包括被配置为将辐射转换为光的闪烁体,包括多个像素的检测器,每个像素被配置为检测由闪烁体转换的光的强度,并且被配置为对于每个像素对次数进行计数 检测在与光的强度相关的多个级别的每一个处的光的处理器;以及处理器,被配置为基于为每个像素获得的每个级别的检测次数来执行产生图像的处理,其中处理器校正数字 通过使用表示辐射能量的关系的信息和检测器对每个等级的光进行计数的概率而获得的每个等级的每个像素的检测次数,并且基于校正的检测次数生成图像。
    • 10. 发明申请
    • RADIATION IMAGING APPARATUS, CONTROL METHOD THEREOF, AND PROGRAM
    • 辐射成像装置,其控制方法及程序
    • WO2016194295A1
    • 2016-12-08
    • PCT/JP2016/002201
    • 2016-04-26
    • CANON KABUSHIKI KAISHA
    • TAKENAKA, KatsuroIWASHITA, AtsushiTERUI, KosukeTAKEDA, Shinichi
    • G01T1/20A61B6/00
    • H04N5/32A61B6/4241A61B6/5205
    • A radiation imaging apparatus is provided. The apparatus comprises a scintillator, a sensor panel in which each including a light detector, and a processing unit. The processing unit generates signals in accordance with the light detected by the light detectors, determines whether signals generated in the same period by a pixel group, which includes one pixel of interest and at least one pixel near the pixel of interest out of the pixels, have a specific distribution, obtains a count of the number of times the pixel of interest is determined to have the specific distribution, and obtains, based on a value obtained by converting the count in accordance with a first and a second coefficient, an incident amount of a first and a second energy band out of radiation irradiating the pixel of interest, respectively.
    • 提供了一种放射线成像装置。 该装置包括闪烁器,其中每个包括光检测器的传感器面板和处理单元。 处理单元根据由光检测器检测到的光产生信号,确定包括一个像素组在内的像素组在相同周期内生成的信号,以及像素附近的感兴趣像素附近的至少一个像素, 具有特定分布,获得确定具有特定分布的感兴趣像素次数的计数,并且基于通过根据第一和第二系数转换计数而获得的值来获得事件量 分别辐射照射感兴趣像素的第一和第二能带。