Resumen
The dangerous object which is front of the vehicle, its? recognition is an important part of driver assistance systems, using the object detection and tracking technology to identify the object in front of the vehicles, and determining its? level of risk, it can greatly reduce the degree of traffic accidents, and improve vehicle safety. In a complex road traffic environment, the video background is dynamic, which leads to many problems when using the current detection and tracking algorithms, researching on these issues, estimating the tracked objects? s motion parameters, assessing their risks and warning.