基于系留无人机的应急测绘技术应用
王永全, 李清泉, 汪驰升, 朱家松, 王新雨

Tethered UAVs-based applications in emergency surveying and mapping
Yongquan WANG, Qingquan LI, Chisheng WANG, Jiasong ZHU, Xinyu WANG
图3 2019年深圳大学军训系留无人机人群识别检测
Fig.3 Crowd identification in Shenzhen University military training in 2019