Registration of the Cone Beam CT and Blue-Ray Scanned Dental Model Based on the Improved ICP Algorithm

Table 2

Compared results on the coarse registration and precise registration.

Corresponding point pairs	Average distance after coarse registration (mm)	Average distance after precise registration (mm)
Pair-1	0.5832	0.4255
Pair-2	0.6358	0.5462
Pair-3	0.6975	0.4344
Pair-4	0.1928	0.0659
Pair-5	0.4673	0.2843
Pair-6	0.6750	0.4363
Pair-7	0.7213	0.4947
Pair-8	0.5918	0.3709
Pair-9	0.5686	0.3144
Pair-10	0.6847	0.5076
⋮	⋮	⋮
Pair-1308	0.5967	0.4632
Average distance (mm)	0.7291	0.3835