| 摘要 |
PROBLEM TO BE SOLVED: To issue an alarm about the abnormal behavior of an object person without attaching an identification device to the object person.SOLUTION: An alarm device includes extraction means and processing means. The extraction means extracts, on the basis of image data obtained by a camera capturing outside of a restricted area, a preset pattern from an image indicated by the image data. In response to that the extraction means has extracted a prescribed number of the patterns in a fixed period, the processing means performs processing for executing notification operation to notify a manager of being the abnormal state. |
