Abstract
In this paper, we propose a method to evaluate Highway Driving Assist (HDA) systems, a type of Advanced Driver Assistance System (ADAS), using a monocular camera, which eliminates the need of experts or expensive equipment and reduces the time, effort, and cost required in such tests. We use the information from the images captured by the monocular camera, such as the lane and rear tires of the lead vehicle, and from the geometrical composition, including the heading angle and the distance of the camera from the front bumper of the test vehicle. To verify the evaluation method, we used the image and geometric information to calculate the distances of the lead vehicle and the lane center from the test vehicle. We compared and analyzed the method using DGPS (Differential Global Positioning System), Data Acquisition(DAQ) and the method using monocular camera. Therefore, it was determined that the proposed method of evaluating HDA systems using a monocular camera is reliable because of the small margin of error between the theoretical with monocular camera and real vehicle test with DAQ and DGPS.
Highlights
As one of the defining technologies of the Fourth Industrial Revolution, autonomous driving enables a vehicle to recognize its driving environment and generate a path and strategy to drive on its own
Level 2 has reached the commercial stage in the form of Advanced Driver Assistance System (ADAS), which include various functions and systems, namely, Adaptive Cruise Control (ACC), Lane Keeping Assist System (LKAS), forward collision warning system, Autonomous Emergency Braking (AEB), active blind spot detection, and Highway Driving Assist (HDA)
We propose a method that can evaluate the safety of HDA systems using only a monocular camera, as cameras are affordable, easy to handle, and have good accessibility
Summary
As one of the defining technologies of the Fourth Industrial Revolution, autonomous driving enables a vehicle to recognize its driving environment and generate a path and strategy to drive on its own. Bae et al [17] devised scenarios to evaluate the safety and functioning of HDA systems, performed simulations using the PRESCAN simulator, and verified the simulation results with real vehicle tests. The present study proposes an evaluation method of HDA systems using a monocular camera and verifies its performance through actual vehicle testing. There is a significant amount of time and cost involved in conducting actual vehicle tests To solve these problems, we propose a method that can evaluate the safety of HDA systems using only a monocular camera (commercialized black-box camera with 30 frames per second), as cameras are affordable, easy to handle, and have good accessibility. We verified the reliability of the developed method in scenarios that resembled safety evaluation conditions
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