An information processing apparatus comprises: an obtainment unit configured to obtain a radiation image of a subject； a generation unit configured to generate, based on a plurality of radiation images obtained by radiation of mutually different spectra, a material characteristic image in which a region for each material can be extracted from the interior of the subject； and an image processing unit configured to perform processing of enhancing or attenuating, based on a position of a specific region in the material characteristic image, the specific region in the radiation image.
