1. An image processing system comprising; a captured image acquiring section that acquires a captured image taken by an image capturing apparatus; a distance information acquiring section that acquires subject distance information that is information indicative of a distance between the image capturing apparatus and a subject for each of a plurality of partial areas in the captured image acquired by said captured image acquiring section; and an image processing section that performs an image processing different from one another on each of the plurality of partial areas in the captured image acquired by said captured image acquiring section according to the subject distance information acquired by said distance information acquiring section.