US Patent 7940963 Monitoring system, monitoring method, and program

A monitoring system includes: an image capturing section capturing a motion image of a monitor region; a condition storing section storing a condition of an object to be extracted from the motion image; a matching judging section judging whether an object that matches the condition exists in the motion image; an object region identifying section identifying an object region including the object, if the matching judging section judges positively; an output section outputting an image of the object region, if the matching judging section judges positively; an image retaining section retaining an image of a region other than the object region, if the matching judging section judges positively; and an output control section controlling the output section to output the image of the region, if the image of the region is judged to be transmitted, after the image retaining section retained the image of the region.