1. An image processing apparatus comprising: a detector for detecting, on the basis of image data of an original image including facial region image data in which a face of a person is stored, a position corresponding to a top-of-head portion and positions corresponding to eye portions of the person in said original image; and a component for setting, on the basis of the detected positions corresponding to the top-of-head portion and the eye portions of the person in the original image, a trimming region for said original image to position said facial region at a predetermined position within the trimming region at a predetermined size ratio.