Radiation capturing system

A radiation capturing system comprising:

• a radiation source, a plurality of gratings, and a radiation detector, provided aligned in a radiation irradiating axis direction;
• a Talbot interferometer or a Talbot-Lau interferometer to capture a plurality of moire fringe images for generating a reconstructed image in an actual capturing mode;
• a low visibility capturing unit which performs capturing of one subject moire fringe image in a low visibility capturing mode with visibility of a moire fringe reduced relative to the plurality of moire fringe images captured by a changing of relative positions of the plurality of gratings with respect to a grating position while the capturing of the one subject moire fringe image is performed;
• a controller configured to determine whether a capturing mode is the low visibility capturing mode or the actual capturing mode;
• and
• a generating unit configured to generate an absorptive image based on only the one subject moire fringe image captured by the low visibility capturing unit when the capturing mode is the lower visibility capturing mode and to generate the reconstructed image based on the plurality of moire fringe images when the capturing mode is the actual capturing mode.