DRIVER MONITORING DEVICE, DRIVER MONITORING METHOD, AND NON-TRANSITORY RECORDING MEDIUM

The driver monitoring device includes a judgment part configured to judge whether a driver of a vehicle is driving distracted by a predetermined judgment criteria based on an image generated by an imaging device capturing a face of the driver, a notification part configured to issue a warning to the driver when it is judged that the driver is driving distracted, and a change part configured to change the judgment criteria when an emergency warning light mounted in the vehicle is turned on.