Information processing device, information processing system, information processing method, and non-transitory storage medium

An information processing method comprising:

• acquiring, by a computer, a facial image including a face of an occupant of a vehicle;
• determining, by the computer, whether or not there is a fellow passenger of the vehicle based on the facial image;
• deriving, by the computer, driving evaluation information relating to the driving ability of the driver of the vehicle;
• determining, by the computer, whether or not an abnormality occurs in the driver based on a result of a comparison between the derived driving evaluation information and reference driving evaluation information when it is determined that there is the fellow passenger;
• and
• causing, by the computer, a notifier to perform a notification when it is determined that the abnormality occurs in the driver.

A non-transitory storage medium having a program stored therein, the program causing a computer to:

• acquire a facial image including a face of an occupant of a vehicle;
• determine whether or not there is a fellow passenger of the vehicle based on the facial image;
• derive driving evaluation information relating to the driving ability of the driver of the vehicle;
• determine whether or not an abnormality occurs in the driver based on a result of a comparison between the derived driving evaluation information and reference driving evaluation information when it is determined that there is the fellow passenger;
• and
• cause a notifier to perform a notification when it is determined that the abnormality occurs in the driver.