| 摘要 |
PROBLEM TO BE SOLVED: To provide an entrance-exit management device capable of estimating the number of persons remaining in a room even when no device is installed for detecting a person exiting the room.SOLUTION: An entrance-exit management part 12 detects the number of persons entering a room 20 by detecting a person entering the room. An in-room person count estimation part 14 estimates the number of persons exiting the room at each time a door 22 of the room 20 opens and closes, on the basis of a temporal interval during the door 22 is open when a person exits the room 20, and estimates the number of persons remaining in the room 20 at each time the door 22 opens and closes, on the basis of the number of entering persons detected by the entrance-exit management part 12 and the estimated number of exiting persons. |
