Table 4.

Test results on the dataset II.

Method	3D-GLCM (original)			3D-GLCM invariant
Level Grayscale	Acc	Prec	Recall	Acc	Prec	Recall
16	71.88	41.67	43.75	73.96	45.01	47.92
32	66.25	69.44	57.50	78.75	80.71	63.5
64	71.25	76.52	62.50	71.88	82.19	75.58
128	73.75	79.89	65.00	87.50	90.18	85.00
256	83.75	83.13	85.00	95.83	89.69	91.67

Acc: accuracy; Prec: precision.