TABLE IV.

Results obtained with the vessel particles sub-divided into three main groups based on their scale. Group 1: scale between 0.1 and 2.29 mm; group 2: scale between 2.30 and 4.14 mm; group 3: scale between 4.15 and 6.0 mm. Results are presented in mean accuracy (%) ± standard deviation

	Group 1 (0.1–2.29 mm)		Group 2 (2.3–4.14 mm)		Group 3 (4.15–6.0 mm)
	CNN	CNN + GC	CNN	CNN + GC	CNN	CNN + GC
Mean Accuracy	75.8 ± 6.1	93.4 ± 4.9	83.1 ± 6.1	95.2 ± 5.4	73.6 ± 8.8	88.5 ± 11.2
Sensitivity	79.9 ± 5.6	97.1 ± 2.7	81.0 ± 10.9	98.2 ± 2.8	84.6 ± 10.3	97.5 ± 5.1
Specificity	71.0 ± 8.2	88.9 ± 9.1	84.9 ± 8.3	91.6 ± 10.5	56.8 ± 20.5	74.0 ± 28.2