CONTROL DEVICE, CONTROL METHOD, AND STORAGE MEDIUM STORING CONTROL PROGRAM

A control device includes an image processing unit that generates an overhead image of a vehicle and its surroundings using a plurality of pieces of imaging data acquired by cameras Fr, Rr, L, and R in the vehicle , a display control unit that displays the overhead image a touch panel , and a blind spot area determination unit that determines a blind spot area in the imaging data based on detection of a trailer around the vehicle . The image processing unit changes allocation of first imaging data and second imaging data in the overhead image based on whether it is determined that the blind spot area exists in the first imaging data.