| 摘要 |
A radiation source is relatively moved with respect to a radiation detector, on which a plurality of short-circuited pixels formed by short-circuiting TFT switches are arranged across the entire surface thereof. Radiation is irradiated onto a subject at a plurality of radiation source positions, in association with movement of the radiation source. A plurality of images corresponding to each of the plurality of the radiation source are obtained. Positions of detection short-circuited pixels for detecting a dose of radiation are set, respectively corresponding to the plurality of radiation source positions . The dose of radiation output from the radiation source is controlled, based on electric signals read out from the detection short-circuited pixels, at each of the plurality of radiation source positions.
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