1. An image display apparatus comprising: a display unit operable to display an image; an original image holding unit operable to hold an original image composed of a number of pixels larger than a number of pixels that is displayable on the display unit; an object judgment unit operable to judge whether or not an object is included in the original image held in the original image holding unit, and generate object information related to the object in the case where the object is included in said original image; and a display image generation unit operable to i) extract, from the original image, at least a part of an object area which includes the object, and ii) generate a display image with a number of pixels corresponding to the number of pixels that is displayable on the display unit, the extraction and generation being performed based on the original image specified by a user and the object information corresponding to the original image.