Flood disaster prevention monitoring and early warning method and system based on unmanned aerial vehicle

The invention provides a flood prevention monitoring and early warning method and system based on an unmanned aerial vehicle, and the method can call different flood risk discrimination networks in combination with different flood tendency categories to predict the regional terrain update change data flow of a specified flood risk area, thereby generating corresponding target flood risk discrimination data. According to the invention, the weight factor of the flood tendency category to the flood risk discrimination is considered, and the flood risk discrimination pertinence is improved, so that the early warning information prompt is carried out on the target flood prevention service terminal for managing the specified flood risk area based on the target flood risk discrimination data, and timely flood prevention monitoring and early warning can be facilitated. 本申请提供一种基于无人机的洪灾防汛监控预警方法及系统，可以结合不同的洪灾倾向类别调用不同的洪灾风险判别网络对指定洪灾风险区的区域地形更新变化数据流进行预测，进而生成所对应的目标洪灾风险判别数据，考虑到了洪灾倾向类别对洪灾风险判别的权重因素，提高洪灾风险判别针对性，由此基于目标洪灾风险判别数据对管理指