A Hybrid DE-RGSO-ELM for Brain Tumor Tissue Categorization in 3D Magnetic Resonance Images

Table 6

Optimal texture features subselected.

Selected optimal features	Rank	3D ROI
		Healthy brain		Tumorous brain
		Minimum	Maximum	Minimum	Maximum
Gradient vector parameter	1	0.2139	4.5392	20.7156	35.720
Gray-level nonuniformity	2	0.2267	0.4327	0.4962	0.9197
Energy	3	0.1971	6.1215	31.3257	38.5102
Variance	4	5.0025	5.9903	10.7982	13.0159
Entropy	5	0.9731	0.9963	0.7987	0.8721
Sum variance	6	4.3196	5.1957	13.9621	15.5164
Short run emphasis	7	1.0096	1.7203	3.4512	4.3271