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The Instant Images and Figure Database System for Disaster Prevention and Protection Are Constructed by Using Fixed-Wing Unmanned Aerial Vehicle
Since typhoons and heavy rainfalls often cause such sediment-related disasters as landslides and debris flows in Taiwan's mountain areas as well as the disruption of roads, bridges and communications, the decision makers of Emergency Response Center are hard to control the real-time disaster information, and then delay the dispatch of disaster relief operations. In order to reduce the impact of hillslope disasters, the research team jointly formulated a development-type 3-year industry-university cooperation program, using self-developed and researched Fixed-wing Unmanned Aerial Vehicle—Avian to shoot the instant images and high-resolution photos of disaster areas so as to assist Emergency Response Center staff to make decisions.This research first analyzes the potential hazards and characteristics of Avian in disaster area, such as heavy weather in mountain area, bad landing conditions and carrying out the mission of 15m sight distance away, to integrate into dispatch system for disaster prevention and rescue missions. After typhoon and heavy rainfall warning is issued, it plans the aerial photo mission for the disaster prone areas according to rainfall warning value, and then the mission staffs go to the preselected take-off landing base to have the instant images and high-resolution images in disaster areas within the shortest time.The Disaster Relief Image Decision-Making System is divided into two parts as instant images and value-added image. When the aerial photo mission is carrying out, the instant images in front of Avian will be downloaded into the major control system at the base, or sent to each Emergency Response Center via satellite remote connections. By means of the screen with a total flight, simultaneously, it shows both instant images and the pre-terrain image at same coordination by aerial photo; comparing to the slope change before and after disaster, then immediately the decision maker carries out the interpretation of disaster type and scope, damage conditions and reason of disaster, as well as plans and executes disaster rescue mission, according to unit responsibilities and areas of competence. If the instant image pictures showing disaster type and scope exceeds original aerial photo plan, it is able to directly change the route of aerial photo to display the maximum benefit. The value added image decision making system is through the digital camera below the Avian to downward continuously shoot high-resolution pictures, which, by embedded processing, will become such related layers as the image of disaster area, overlaying color orthophotos, satellite image or administrative districts, to make interpretation of disaster type and scope, damage conditions and reason of disaster as the principles for follow-up treatment and review.The research results will be used to integrate into the Dispatch System for Disaster Prevention and Rescue Missions and the Disaster Relief Image Decision-Making System, inputting the mission route of aerial photo and every aerial photo image into GIS space imaging database; the image content after statistics made can be referred to the decision making items and correlation, and provided to decision makers to inquire the figure database of aerial photo mission and simulate disaster response training, and provided to a set of Figure Database System for Disaster Prevention for each Emergency Response Center in order to construct a complete and satisfied disaster prevention and protection system.
|Appears in Collections:||水土保持學系|
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