| 摘要 |
PROBLEM TO BE SOLVED: To efficiently detect an intruder.SOLUTION: A monitoring device 10 acquires respective images taken by a plurality of cameras 50 which have a common installation environment but have different imaging subjects. The monitoring device 10 detects image change in the respective acquired images. When the detected image change has also been detected in other images taken at the same time, the monitoring device 10 determines that it is erroneous intruder detection due to environmental change. The monitoring device 10 outputs a detection result based on a determination result of the erroneous intruder detection. |
