Table 5.

Test results on the brain tumor MRI dataset.

Method	3D-GLCM (original)			3D-GLCM invariant
Level Grayscale	Acc	Prec	Recall	Acc	Prec	Recall
16	60.83	61.22	65.00	90.00	87.67	95.00
32	60.83	61.40	65.00	92.50	87.91	100.00
64	70.00	69.19	70.00	92.50	89.77	96.67
128	81.25	79.32	85.00	96.67	95.39	98.33
256	87.50	87.47	88.33	97.50	97.06	98.33

Acc: accuracy; Prec: precision.