Patent ID: 8633811

Claim:
A driving assist apparatus comprising: an image obtaining unit that obtains a rear image of a vehicle, which is captured by an image capturing device provided in the vehicle; a display device that is provided in the interior of the vehicle and displays the rear image; a display object generation unit that generates, as an index for assisting a driver who drives the vehicle, a plurality of index lines including a backward expected line indicating a rear-end expected locus of the vehicle in accordance with a steering angle of the vehicle which is being reversed, and a vehicle-backward line extending in a front-rear direction of the vehicle from lateral sides of the vehicle; a vehicle state detection unit that detects at least one of behavior of the vehicle and a state of a driving operation; a display type determining unit that determines a transparent display value of the plurality of index lines based on the detection result of the vehicle state detection unit; and a display control unit that superimposes and displays the plurality of index lines on the rear image, which is displayed on the display device, based on the determined transparent display value, wherein the display type determining units displays only one of the backward expected line and the vehicle-backward line in a semi-transparent state.