The present invention recognizes the change in the image of the eye area following the driver's face, recognizes whether the driver is drowsy, immediately warns of a drowsy situation while driving, and effectively prevents drowsy driving by automatically connecting phone calls with family members. A surveillance camera that photographs a driver's face in the vehicle and outputs an overall image of the face; An information detection unit that receives the image data output from the surveillance camera and detects a face region and an eye region of the driver, and an information determination unit that determines a driver's drowsiness state according to data change from the detection information of the information detection unit; and A drowsiness prevention controller configured to include a warning control unit for transmitting a control signal to an electronic control device of the vehicle when the determination result of the information determination unit is determined to be drowsy; An alarm signal configured to output a warning sound as a primary alarm when the sleep prevention controller determines that the driver is drowsy and the control signal is transmitted to the electronic control device of the vehicle; Immediately after the primary alarm according to the alarm signal, when the drowsiness prevention controller determines that the driver is drowsy and the control signal is transmitted to the vehicle's electronic control device, it is automatically sent to the registered contact information using a smartphone connected to the vehicle audio via Bluetooth. It provides a driver drowsiness prevention warning and automatic call connection system including; an auto-calling machine that controls to connect a call.
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