1. An image display system which increases an amount of information provided from a region of a display image based on an image of a face of a person who will look at the display image comprising: an image display device which displays the display image; a face image pickup device which picks up the image of the face of the person who will look at the display image; and a face front point detecting device which detects a face front point, which is a point on the image display device at which the person's face is pointing, using an image recognition technique based on the image of the face picked up by the face image pickup device, wherein an increased amount of information is displayed for a region of the display image corresponding to the face front point, said region being controlled based on the face front point, wherein data for the display image comes from a wide range image pickup device which picks up a wide range image which exceeds a range of human visibility, wherein said image display device displays the wide range image so as to be in a range of said human visibility, and wherein the amount of information is increased by relatively increasing a display size of the region of the display image corresponding to the face front point.