Milestone 3 : Build the video camera setup
Add a video camera to the system. The controlling application should be able to identify vehicles in front of the car and the distance to them. One alternative to this is to select an object (for example, a vehicle number plate or some other fixed-shape form) and, knowing its dimensions and the camera’s focal properties, estimate the distance to it. It is recommended, but not mandatory, to use OpenCV for image processing.