| 摘要 |
[Problem] To propose a technique useful in finding out where a person who has not arrived at a target position in a predetermined area is in the area. [Solution] A passenger management device (1) and a passenger acceptance terminal (2) acquire the passenger management number of an object person who enters a boarding lobby, a monitoring camera (3) installed near the passenger acceptance terminal (2) photographs the object person who enters the boarding lobby, monitoring cameras (14) installed to correspond to a plurality of divided areas obtained by dividing the boarding lobby photograph the respective divided areas, a passenger management device (19) and a boarding gate terminal (20) acquire the passenger management number of the object person in a boarding gate at which the object person who has entered the boarding lobby should arrive before a scheduled time, the passenger management devices (9, 19) specify the object person who has not arrived at the boarding gate after the scheduled time, and the passenger management device (9) and a facial feature amount retrieval device (10) specify a divided area where a person estimated as the object person who has not yet arrived was photographed. |
