关键词: 交互多模型, 目标检测, 车辆, 跟踪

Abstract: To improve the anti-car rear-end collision warning system reliability of vehicle rear collision avoidance system，an IMM algorithm is designed to achieve tracking of motor vehicles using the two models.The most common models of uniform motion and uniformly accelerated motion for motor vehicles on the highway are simulated.Tracking simulation of the distance between the two vehicles，relative speed and angle shows that the algorithm can effectively track in front of vehicles.

Key words: Interacting Multiple Model（IMM）, target detection, vehicle, tracking