| 摘要 |
PROBLEM TO BE SOLVED: To provide a flood monitoring device which can precisely and adequately make a comprehensive flood determination, which is adapted to the geographical features of an object area, by processing the geographical image of the object area. SOLUTION: The flood monitoring device is provided with; an image processing device 3 which inputs the geographical image of the object area picked up with an ITV camera 1 and processes it; a reference area setting and recording circuit 31 which sets a reference area on the inputted image; a monitoring area setting circuit 35 which sets a monitoring area on the inputted image; a texture computing circuit 33 which computes the texture characteristics quantity of the image; a characteristics quantity comparing circuit 34 which determines whether the difference between the texture characteristics quantity of the reference area and the texture characteristics quantity of the monitoring area is not larger than a prescribed value; and a flood area determination circuit 5 which determines water immersion in the object area in accordance with the determination operation of the characteristics quantity comparing circuit 34 by referring to map information from a map information accumulating means having the map information of the object area. COPYRIGHT: (C)2005,JPO&NCIPI
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