US Patent 10083520 Radiographic imaging apparatus and radiographic image generation method

The radiographic image generation method includes acquiring a plurality of radiographic images corresponding to a number of radiation dose portions by emitting radiation to an object by dividing a radiation exposure dose into the radiation dose portions, and by detecting the emitted radiation, and matching the plurality of acquired radiographic images, by shifting all or a portion of data of a plurality of the acquired radiographic images such that the corresponding articles within a plurality of the acquired radiographic images are positioned at a same relative position in each of the acquired radiographic images.