A computer-readable medium having recorded thereon a computer program for a system for displaying a moving object, the system being operable with an imaging device and a display device, the system including a computer, the computer program including instructions for causing the computer to:
- extract a moving route of a moving object which has entered a view of the imaging device, based on a moving picture signal supplied by the imaging device;
- generate first image data representing an image of the moving route extracted for the moving object;
- generate second image data representing an image of the moving object, based on the moving picture signal;
- and
- displaying on the display device an overlapped image of the image of the moving object and the image of the moving route extracted for the moving object, based on the first image data and the second image data.