Patent ID: 9675307
Date: 2017-06-13
CPC Classifications: A61B,G01N,G01T

Claim:
1. A radiation imaging apparatus including a plurality of pixels configured to acquire a radiation image, and a plurality of sensors configured to detect radiation, the apparatus comprising: a processing unit configured to sample outputs from sensors constituting an effective sensor group, out of the plurality of sensors, and output information for control of irradiation with radiation in accordance with the sampled outputs, wherein in a first period after the irradiation of radiation to the radiation imaging apparatus starts, the processing unit excludes a first sensor from the effective sensor group, wherein a value corresponding to an output from the first sensor has exceeded a first threshold, and in a second period after the first period, the processing unit outputs the information in accordance with outputs from the sensors constituting the effective sensor group excluding the first sensor, and wherein a frequency of sampling of each sensor constituting the effective sensor group is higher in the second period than in the first period.