| 摘要 |
PROBLEM TO BE SOLVED: To reduce the labor burden on a monitoring person, and to rapidly and accurately detect a change in the state of a vast photographing range. SOLUTION: A panorama image obtained by picking up a photographing range while sequentially changing a photographing direction is sequentially recorded in a server 53 for each unit image, and the luminance level of a single unit image selected from the server 53 is compared with that of a unit image in the same photographing direction which has been recorded prior to the unit image for each primary color. Based on the result of comparison, predetermined information is displayed via a display 6 for each unit image constituting the panorama image to urge a user to pay attention. COPYRIGHT: (C)2004,JPO&NCIPI
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