1. An object display device overlaying and displaying an object on an image in real space, the object display device comprising: an image capturing unit configured to acquire an image in real space; an image feature extraction unit configured to extract a predetermined feature about an image either in a plurality of predetermined feature regions detected from the image in real space acquired by the image capturing unit or in the entire image in real space; an image processing unit configured to perform correction processing on an image of the object based on the predetermined feature extracted by the image feature extraction unit; and a display unit configured to display an overlaid image in which the image of the object subjected to correction processing by the image processing unit is overlaid on the image in real space.