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

Table 8

Average of true positive fraction (TPF), false positive fraction (FPF), and similarity index (SI) of different brain tissues and tumor tissues of SPL dataset with interobserver.

Classifier	CSF			WM			GM			TUMOR
	TPF	FPF	SI	TPF	FPF	SI	TPF	FPF	SI	TPF	FPF	SI
Conventional kNN [5]	0.86	0.84	0.81	0.96	0.78	0.94	0.87	0.72	0.90	NA	NA	NA
Manual expert interobserver	NA	NA	0.86	NA	NA	0.96	NA	NA	0.94	NA	NA	0.97
IELM-PSO [28]	0.90	0.92	0.83	0.98	0.95	0.94	0.86	0.85	0.90	0.96	0.98	0.94
Proposed ELM-RGSO	0.93	0.92	0.85	0.98	0.97	0.96	0.92	0.91	0.97	0.97	0.98	0.97