基于深度学习的隧道衬砌多病害检测算法
宋娟,贺龙喜,龙会平

Deep learning-based algorithm for multi defect detection in tunnel lining
Juan SONG,Longxi HE,Huiping LONG
图 8 不同大小先验框的示意图
Fig.8 Schematic diagram of different sizes of priori frames