Abstract: In the present invention, the following are provided: a 3D information generating unit (3) for generating 3D information as the data of a group of a plurality of points formed by projecting the values of respective pixels of a moving object in accordance with depth information detected from an image pickup image; an overlooking image generating unit (4) for generating an overlooking image by synthesizing the 3D information of the moving object with a space image of an image pickup target region; and a display control unit (5) for displaying the overlooking image.