结合桥梁难分样本优化的大清河流域水坝遥感检测

郭勇, 张琳翔, 许泽宇, 蔡中祥

Remote sensing-based detection of dams in the Daqing River basin through optimization using hard negative samples of bridges

GUO Yong, ZHANG Linxiang, XU Zeyu, CAI Zhongxiang

图2 第二阶段使用的3种样本数据示意图

Fig.2 Schematic diagram of the three types of sample data used in the second stage