Apparatus and method for measuring queue length of vehicles

Abstract

In an apparatus and a method for measuring a queue length of vehicles, by installing a camera toward a direction same with a proceeding direction of vehicles on the road, photographing images of the road at the rear of vehicles and measuring a queue length of vehicles, it is possible to measure a queue length of vehicles accurately. The apparatus includes a camera for photographing the rear of vehicles on the road; an image converter for converting analog image signals corresponding to images photographed by the camera into digital image signals; and a control unit for extracting characteristics of vehicles from the converted digital images, calculating positions of vehicles on the road on the basis of the extracted characteristics and calculating a queue length of vehicles on the road on the basis of the calculated positions of vehicles.

Dependencies are inferred from the claim text.