基于行列方差方法的探地雷达道路数据感兴趣区域自动提取技术

徐立, 冯温雅, 姜彦南, 王娇, 朱四新, 覃紫馨, 李沁璘, 张世田

A technique for automatically extracting regions of interest from ground penetrating radar data of roads based on the row-column variance method

XU Li, FENG Wen-Ya, JIANG Yan-Nan, WANG Jiao, ZHU Si-Xin, QIN Zi-Xin, LI Qin-Lin, ZHANG Shi-Tian

图1 雷达剖面图及行列方差分布 a—原始雷达B-scan图像;b—列方差与单位阶跃;c—目标1行方差与单位阶跃;d—目标2行方差与单位阶跃

Fig.1 Radar profile and row-column variance distribution a—original radar B-scan image;b—column variance and unit step;c—target 1 line variance and unit step;d—target 2 row variance and unit step