1. An image processing apparatus comprising: an acquiring unit configured to acquire a radiographic image acquired by irradiating a radiation on an object and a scattered-ray component contained in the radiographic image, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object; and an image processing unit configured to perform an image process on the radiographic image in accordance with an instruction, wherein the image processing unit is configured to perform an image process based on a radiographic image acquired by the acquiring unit and a scattered-ray component acquired by the acquiring unit in a case where an instruction to perform the image process is received again.