Method of Combining Spectrophotometer and Optical Imaging Equipment to Extract Optical Parameters for Material Rendering

Table 2

Mean squared errors values.

Material	Existing method			Proposed method
	R	G	B	R	G	B
Pink plastic	1.2096	30.3132	0.3914	1.1015	2.0981	0.2845
Blue coating	228.163	205.483	9.639	70.930	0.842	0.268
Brown leather	242.743	379.711	420.816	5.422	9.154	14.554