River flow real-time monitoring method based on unmanned aerial vehicle remote sensing and tower footing video

The invention discloses a river flow real-time monitoring method based on unmanned aerial vehicle remote sensing and tower footing videos. The river flow real-time monitoring method comprises the following steps that unmanned aerial vehicle data and field actual measurement data are obtained; generating a three-dimensional digital river channel model; constructing a river width-water level-flow relation curve; tower footing video data and camera parameters are obtained; real-time water surface line extraction; and real-time river width and river flow calculation. The river flow real-time monitoring method based on the unmanned aerial vehicle remote sensing and the tower footing video is an unattended river flow real-time monitoring method which is high in interference resistance, high in precision and few in use limitation. 本发明公开了一种基于无人机遥感与塔基视频的河流流量实时监测方法，包括以下步骤：无人机数据及野外实测数据获取；三维数字河道模型生成；河宽-水位-流量关系曲线构建；塔基视频数据以及摄像头参数获取；实时水面线提取；实时河流宽度与河流流量计算。本发明的基于无人机遥感与塔基视频的河流流量实时监测方法是一种无人值守、抗干扰强，精度高且使用限制少的河流流量实时监测方法。