A medical image system includes: X-ray equipment having a Talbot interferometer or a Talbot-Lau interferometer and including: an X-ray source configured to emit X-rays a plurality of gratings arranged in a emitting direction of the X-rays and an X-ray detector irradiated by the X-ray source and having conversion elements for accumulating charge and generating electrical signal to read the electrical signals generated to acquire moire fringe image a subject absorption image generation unit configured to generate a subject absorption image based on moire fringe images containing a subject a subjectless absorption image generation unit configured to generate a subjectless absorption image based on subjectless more fringe images and an image unevenness correction unit configured to correct image unevenness of the subject absorption image, the medical image system further including a subjectless absorption image correction unit, wherein the image unevenness correction unit corrects image unevenness of the subject absorption image.
