1. Apparatus for vehicle surroundings monitorings that assists checking of surroundings of a vehicle by a driver by displaying an image captured outside of the vehicle, the periphery check assisting device comprising: an imaging unit that captures a predetermined range around the vehicle with mutually differing exposure amounts; an image recognition unit that performs recognition of a predefined recognition target by image processing plural images with mutually differing exposure amounts that are captured by the imaging unit; an image compositing unit that generates a composite image from the images based on a recognition result of the image recognition unit; and a display unit that displays the composite image composited by the image compositing unit.