SPREAD ASSIST DEVICE

A spread assist device for assisting spreading by a spreader apparatus according to an embodiment includes a position detector configured to detect a position of the spreader apparatus and a controller. The controller is configured to obtain spread width information indicating a spread width of the spreading object to be spread by the spreader apparatus, obtain tracking information of the detected position of the spreader apparatus detected by the position detector, and generate a virtual overhead view image including a spread path based on the obtained spread width information and tracking information.