Drive assist device

摘要

A drive assist device includes: a overhead image generating unit that generates a vehicle periphery overhead image; a forward trajectory setting unit that sets a forward trajectory serving as an expected trajectory in the travel direction of the vehicle occurring when the turning based on a calculated steering angle; a reverse trajectory setting unit that sets a reverse trajectory serving as an expected trajectory in the travel direction of the vehicle or in the opposite direction as the travel direction of the vehicle occurring when turning based on a steering angle in the opposite direction as the calculated steering angle; and a image synthesizing unit that generates a drive assist overhead image for display in a monitor by synthesizing the forward trajectory and the reverse trajectory with the vehicle periphery overhead image.

主权项

1. A drive assist device comprising:
an overhead image generating unit that generates a vehicle periphery overhead image as a display image of the periphery of a vehicle displayed in a monitor, by performing viewpoint conversion from a captured image obtained by a camera that captures the periphery of the vehicle; a steering angle calculation unit that calculates a steering angle of the vehicle; a forward trajectory setting unit that sets a forward trajectory serving as an expected trajectory in the travel direction of the vehicle when turning based on the calculated steering angle calculated by the steering angle calculation unit; a reverse trajectory setting unit that sets a reverse trajectory serving as an expected trajectory in the travel direction of the vehicle or the opposite direction as the travel direction of the vehicle when turning based on a steering angle in the opposite direction as the calculated steering angle; and an image synthesizing unit that generates a drive assist overhead image for display in a monitor by synthesizing the forward trajectory and the reverse trajectory with the vehicle periphery overhead image, so that a vehicle image in the vehicle periphery overhead image serves as a departure point, wherein an expected trajectory in the travel direction of the vehicle is set as the reverse trajectory during same-direction reverse-steering travel in which the steering angle is switched from one side to the opposite side while the vehicle is traveling in a single direction, and an expected trajectory in the opposite direction as the travel direction of the vehicle is set as the reverse trajectory during opposite-direction reverse-steering travel in which the steering angle is switched from one side to the opposite side while the vehicle is traveling in the opposite direction to the current traveling direction.