An X-ray source irradiates X-rays towards the test subject. The X-ray detector detects the intensity of the X-rays penetrating the test subject. The image data generator generates X-ray images based on the intensity of the X-rays detected using the X-ray detector. Moreover, the X-ray diagnosis device comprises a revision subject image detector and an image processor. The revision subject image detector detects the image of the object of the image shaped based on the shape of the object from among the X-ray images as the image subject to revision. An image processor processes images with respect to the image subject to revision such that the difference between the luminosity value of the image subject to revision and the luminosity value of the area adjacent to the image subject to revision becomes a specified value or less.
