基于图像的河流表面测速研究综述
杨聃,邵广俊,胡伟飞,刘国富,梁家铭,王瀚林,许超

Review of image-based river surface velocimetry research
Dan YANG,Guang-jun SHAO,Wei-fei HU,Guo-fu LIU,Jia-ming LIANG,Han-lin WANG,Chao XU
图 9 测速线及其时空图像
Fig.9 Speed line and space-time image