Table 7.

Precision, recall, F1-score of combined features using KNN.

	Precision	Recall	F1-score
Clean	0.90	0.95	0.92
Dirty	0.98	0.88	0.93
Thin	0.97	0.93	0.95
Thick	0.92	1.00	0.96
Macro avg.	0.94	0.94	0.94
Weighted avg.	0.94	0.94	0.94
Accuracy avg.	0.939