Fire boundary vector information real-time extraction and visualization method and system

Abstract

The invention relates to a fire boundary vector information real-time extraction and visualization method and system. With the advantage that an unmanned aerial vehicle is not affected by harsh conditions in the wild being made full utilization of, the unmanned aerial vehicle is equipped with a GPS module, a trajectory control module and a data preprocessing module and the like, and operating personnel can control the unmanned aerial vehicle to fly right over the boundary of a fire scene and record the flight path at regular time under the guidance of ground platform real-time videos, wherein the recorded flight path of the unmanned aerial vehicle can represent the boundary of the fire scene; after re-sampling pretreatment of the trajectory, the forest fire boundary data can be transmitted to a remote server through a communication module; a server program analyzes a message and writes the whole boundary of the fire scene into a database; for large-range forest fire, the invention also considers a multi-UAV collaborative boundary obtaining method; and finally, decision-aid visualized software can read data from the database and updates the data regularly, and decision personnel can know fire scene situations in a two-dimensional or three-dimensional virtual forest environment in real time.

Description

technical field [0001] The invention relates to the field of forest fire control, in particular to a method and system for real-time extraction and visualization of fire boundary vector information. Background technique [0002] Forest fire is a highly destructive natural disaster. Once the fire spreads, it is difficult for people to take effective measures to control the fire in a timely manner due to insufficient fire extinguishing equipment and inconvenient transportation around the forest fire. spread further. After the forest fire spreads, the change of the fire boundary information can be obtained in real time, and the direction of the forest fire spread can be judged in a short period of time, which is of great significance for assisting decision-making in fire fighting and informationization of forest fires. [0003] The existing patents on forest fire monitoring mainly focus on the detection and discovery of fire ignition points, but there are no related patents on...

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Problems solved by technology

Such as patents CN 103354007B, CN104143248B, CN103942806B, CN103400463B, CN104200607B, etc., all are detection of forest fire ignition point, location of ignition point, and monitoring of ignition point. The area is large, the altitude is high, and the environment is complex. Once a fire spreads rapidly by virtue of the terrain and wind, there are no good countermeasures and technical solutions at home and abroad.

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