A Novel Multi-View-Angle Range Images Generation Method for Measurement of Complicated Polyhedron in 3D Space

Table 2

Comparison of generation results obtained for “oil pump” model by the proposed method and interpolation-based method proposed in [21].

View angle	“oil pump” model
	Method proposed in [21]			The proposed method			Computation time for constructing 2D view of model (s)
	Mean value of gray level deviations	Hausdorff distance	Time (s)	Mean value of gray level deviations	Hausdorff distance	Time (s)
Vertical view	21.80	1521.60	3.21	2.90	1315.12	8.79	14.11
Upward view	50.28	2027.92	3.15	0.80	636.83	9.52	13.84
Right view	38.12	1566.15	2.94	3.36	1128.18	8.85	13.92
Left view	44.51	1583.94	3.11	3.70	581.92	9.31	14.41
Back view	48.87	1935.46	3.07	4.11	1021.40	8.42	14.95
Front view	51.07	1837.22	3.23	4.28	649.96	9.14	14.50