| 摘要 |
PROBLEM TO BE SOLVED: To easily specify an object person for tracking and to easily monitor the object person. SOLUTION: An image photographed with a camera is displayed on a master display device 12. In this case, when it is desired to automatically track a suspicious person, tracking start is commanded in the state of pointing a cursor 13 in the display area of the suspicious person. Then, since a cursor area 14 is displayed so as to surround the display area of the suspicious person, the suspicious person can be specified. At such a time, when the suspicious person moves, the cursor area 14 is moved with the movement of the display area of the suspicious person and the size of the cursor area 14 surrounding the suspicious person is changed so that the suspicious person can be surely specified and monitored.
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