1. A driver assistance system, comprising: a mobile terminal provided on an automobile; and a detection server capable of communicating with the mobile terminal; the mobile terminal including: an image capture apparatus configured to capture an image around the automobile; and an image transmission unit configured to transmit the captured image to the detection server; the detection server including: an image filter configured to carry out a working process for the image; and a detection engine configured to receive the image inputted thereto after the working process by the image filter and detect whether or not the image includes an object; the detection server transmitting, when it is detected that the image includes an object, the result of the decision to the mobile terminal.