Wood Species Recognition Based on Visible and Near-Infrared Spectral Analysis Using Fuzzy Reasoning and Decision-Level Fusion

Table 4

Overall recognition accuracy (ORA) and training time requirement (TR) of different N and membership functions in the visible (VIS) band.

Dimension N	Triangular function		Trapezoid function		Triangular-trapezoid
	ORA (%)	TR (s)	ORA (%)	TR (s)	ORA (%)	TR (s)
3	75.65	1051.27	76.85	1154.12	77.80	1219.26
4	89.05	24393.24	89.60	25128.75	90.20	24983.20
5	89.60	312764.52	90.05	299023.20	90.25	327279.92
6	90.20	556719.47	90.40	469466.53	90.65	483718.36