Table 3.

Training and testing dataset compositions for different methods of classification—experiment based on 1.25-mm testing dataset.

Classification approach	Training dataset (number of cases)			Testing dataset (number of cases)
	1.25 mm	2.5 mm	1.25 to 2.5 mm	1.25 mm	1.25 to 2.5 mm
Aggregate	112	283	0	80	0
Homogeneous thickness	112	0	0	80	0
Common thickness	0	283	112	0	80