Wavelets and Morphological Operators Based Classification of Epilepsy Risk Levels

Table 11

Performance analysis of twenty patients using dB2 wavelet hard thresholding with SVD, EM, and MEM postclassifiers.

Parameters	Code converter method before optimization	SVD optimization	With EM optimization	With MEM optimization
Risk level classification rate (%)	61.45	98.13	87.29	89.58
Weighted delay (s)	2.189	2.017	2.233	2.14
False alarm rate/set	22.65	0.9463	4.59	4.6
Performance Index %	36.45	98.03	85.42	87.81
Sensitivity	75.43	99.05	95.4	95.4
Specificity	81.94	99.1	91.89	94.19
Average detection	78.875	99.075	93.645	94.795
Relative risk	1.166	0.9999	1.038	1.0128
Quality Value	12.57	23.82	19.72	20.49