PROBLEM TO BE SOLVED: To provide a radiation image detector capable of improving noise mixed into an X-ray image in consecutive photographing.SOLUTION: A radiation image detector is provided with: a radiation sensor 11 a gate drive circuit 13 which sequentially applies drive voltage to each row selection line a first reading control circuit 18a which generates a read signal to read image signal information from a pixel while radiation is applied in consecutive photographing of n sheets of images a second reading control circuit 18b which generates a read signal to read noise signal information from a pixel by performing non-irradiation consecutive photographing similarly while radiation is not applied a reading circuit 17 which reads the image signal information and the noise signal information with the read signal from the first reading control circuit and the read signal from the second reading control circuit and stores the image signal information and the noise signal information a correction circuit 19 which corrects the image signal information on the basis of the noise signal information and a display device 20 which displays the corrected image signal information.
