In a digital signage device, a control unit extracts a face region and a torso region from an image of the object to be displayed, compares the extracted face region and torso region to a face region and torso region extracted from a screen image on an image display unit in use, and then calculates, on the basis of these comparison results, a first adjustment factor for adjusting the size of the face region and a second adjustment factor for adjusting the size of the torso region in the image of the object to be displayed, the respective sizes of the face region and torso region in the image of the object to be displayed being separately adjusted on the basis of the calculated first adjustment factor and second adjustment factor in order to display an adjusted image on the image display unit.