| 摘要 |
PROBLEM TO BE SOLVED: To photograph a specific object as a target in the situation where a photographic environment may change with the passage of time. SOLUTION: A karaoke device 200 controls video cameras 101 configuring a camera system 100 by calculating a position of an object based on information from a pointer device 300, analyzes an image photographed by the camera system 100, judges whether or not a condition of whether an object to be a photographing target is photographed or not is satisfied, and determines whether the used cameras are appropriate or not based on a result of the judgement. If there is a camera which is not appropriate for use, the camera to be used is changed by sequentially searching for a camera appropriate for use. COPYRIGHT: (C)2006,JPO&NCIPI
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