OBSTACLE WIDTH CALCULATING METHOD USING LOW QUALITY RESOLUTION AUTOMOTIVE RADAR

摘要

Disclosed in the present invention is a method for estimating the width of an obstacle using radar for low resolution vehicles which is configured in a method such that: data of a polar coordinate system of an obstacle detected by a low resolution radar of an unmanned vehicle are converted into a rectangular coordinate system; the obstacle is divided into cells at x, y positions of the rectangular coordinate system; an interpolated signal intensity of a specific cell among cells is obtained using an obstacle signal intensity interpolating technique; the existence of the obstacle is determined by comparing the interpolated signal intensity with average noise power; data acquired from the low resolution radar (10) are interpolated in the shape of a fine lattice by calculating the width of the obstacle after executing cell clustering on a divided cell; even the width of a recognized obstacle is estimated altogether therefrom, thereby greatly improving the auto driving performance of the unmanned vehicle (1).