Table 7.

Comparison of filtering effect when $m$ value is 35 and $k$ has different values

Number of point clouds before filtering	$k$ value	Number of filtered point clouds	Number of remaining point clouds	3D model accuracy (%)
9675	1.4	461	9214	91.81
9675	1.3	515	9160	91.89
9675	1.2	580	9095	92.01
9675	1.1	652	9023	92.11
9675	1.0	733	8942	92.39
9675	0.9	835	8840	92.27
9675	0.8	951	8724	92.34
9675	0.7	1088	8587	92.32
9675	0.6	1261	8414	92.24
9675	0.5	1461	8214	92.19