1. A characteristic image display apparatus comprising: a characteristics extraction unit configured to divide a captured image into a plurality of blocks and extract a characteristic color from each block; a band-like image creation unit configured to create a band-like image that is obtained by arranging in a line small single-color images based on characteristic colors of blocks of the captured image; and a display control unit configured to display a band-like image sequence that is obtained by arranging the plurality of created band-like images.