| 摘要 |
The abnormality detecting device of this invention comprises a movement detecting unit detecting a presence of a movement of a body based on a video signal in a monitored area, a body detecting unit detecting a predetermined body existence based on the video signal, a brightness level detecting unit detecting a brightness level of the video signal, a determining unit determining whether the detected brightness level is within a predetermined range, a first abnormality detecting unit, in case the brightness level is determined within the predetermined range, detecting the abnormal state occurrence when the movement of the body is detected and the predetermined body is detected, and a second abnormality detecting unit, in case the brightness level is determined to be outside the predetermined range, detecting the abnormal state occurrence when a movement of a body is detected, and detecting the abnormal state occurrence when the predetermined body is detected. |
