Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 Classification table for five different numbers of gray levels (16, 32, 64, 128, and 256), five k values (1, 3, 5, 7, and 9), and two parameters (“0°” and “average + range”) for an image size of 3 × 3 cm

From: Automated recognition of wood used in traditional Japanese sculptures by texture analysis of their low-resolution computed tomography data

	True class
	Cc	Ce	Cj1	Cj2	Co1	Co2	Mo	Pt	Tn	Zs
Resolution of 0.05 mm
Classified class (%)
Cc	100	0	0	0	0	0.10	0	0	0	0.50
Ce	0	100	0	0	0	0	0	0	0	0
Cj1	0	0	99.35	0	0	0	0	0	0	0
Cj2	0	0	0	100	0	0.50	0	0	0	0
Co1	0	0	0.65	0	100	0	0	0	0	0
Co2	0	0	0	0	0	99.30	0	0	0	0
Mo	0	0	0	0	0	0	100	0	0	0
Pt	0	0	0	0	0	0	0	97.50	0	0.30
Tn	0	0	0	0	0	0	0	0	100	0
Zs	0	0	0	0	0	0.10	0	2.50	0	99.20
Resolution of 0.1 mm
Classified class (%)
Cc	99.40	0	0	0	0	0.90	0	0.10	0	4.30
Ce	0	100	0	0	0	0	0	0	0	0
Cj1	0	0	100	0	0	0	0	0	0	0
Cj2	0	0	0	100	0	0.25	0	0	0	0
Co1	0	0	0	0	100	0	0	0	0	0
Co2	0	0	0	0	0	98.85	0	0	0	0
Mo	0	0	0	0	0	0	100	0	0	0
Pt	0	0	0	0	0	0	0	99.90	0	0
Tn	0	0	0	0	0	0	0	0	100	0
Zs	0.60	0	0	0	0	0	0	0	0	95.70

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