Patent attributes
There is provided a person monitoring system including at least one camera and a server that is communicably connected to the at least one camera. The server, based on reception of detection information of a predetermined event from a gate that regulates passage in response to a detection of the predetermined event, requests a first camera, that captures an image of a capturing area including the gate, for a face image of a person near the gate when the predetermined event occurs. The first camera captures an image of the person near the gate when the predetermined event occurs and transmits, to the server, a face image obtained by cutting out a range having a face of the person from the image of the person. The server outputs alarm information based on the face image and register the face image in a database.