[Retracted] The System Research and Implementation for Autorecognition of the Ship Draft via the UAV

Table 5

Comparison of experimental results.

Serial number	Results of manual observation (m)	Results of semantic segmentation (m)	Results of this article (m)	Error (segmentation method/method of this article) (m)
a	18.280	18.282	18.278	0.002/−0.002
b	6.810	6.802	6.813	−0.008/0.003
c	7.751	7.756	7.727	0.005/−0.024
d	7.703	7.716	7.705	0.013/0.002
e	6.752	6.774	6.757	0.022/0.005
f	8.797	8.795	8.790	−0.002/−0.007
Mean absolute value of difference (m)			0.0087/0.0072