Table 18.

Two-class classification of RF for CO and PD (Class 2, Class 2.5, and Class 3) using several CNN classifiers (AlexNet, ResNet-50, ResNet-101, and GoogLeNet) with 10-fold cross-validation.

Time Window	Frequency Range	Dataset	AlexNet				ResNet-50				ResNet-101				GoogLeNet
			Sen (%)	Spec (%)	Acc (%)	AUC	Sen (%)	Spec (%)	Acc (%)	AUC	Sen (%)	Spec (%)	Acc (%)	AUC	Sen (%)	Spec (%)	Acc (%)	AUC
10 s	0.83–1.95 Hz	Ga	96.03	99.44	98.22	0.9983	98.47	98.48	98.44	0.9982	97.82	98.37	98.14	0.9995	97.18	98.47	98	0.9915
		Ju	95.78	99.46	98.75	0.9970	97.52	98.72	98.48	0.9966	95.66	99.35	98.66	0.9991	97.97 *	98.72 *	98.57 *	0.9895 *
		Si	96.84	98.86	97.78	0.9972	98.62 *	98.63 *	98.57 *	0.9994 *	97.84	99.07	98.44	0.9990	97.74	97.06	97.27	0.9972
		All	91.33	96.94	95.12	0.9749	92.29	97.66	95.92	0.9929	94.46 *	97.69 *	96.63 *	0.9949 *	90.05	97.06	94.78	0.9763
	1.95–50 Hz	Ga	99.56 *	98.18 *	98.59 *	0.9941 *	97.83	97.62	97.62	0.9974	93.88	98.45	96.81	0.9940	97.15	97.93	97.63	0.9922
		Ju	96.33	99.57	98.93	0.9969	93.99	98.82	97.86	0.9963	96.54	98.31	97.95	0.9993	94.58	97.87	97.23	0.9729
		Si	97.18	98.62	97.78	0.9976	98.28	96.57	97.27	0.9967	95.37	97.28	96.22	0.9958	97.49	97.05	97.13	0.9909
		All	82.20	96.42	91.41	0.9661	89.92	95.07	93.45	0.9780	89.03	94.79	92.92	0.9747	85.99	93.93	91.28	0.9590
15 s	0.83–1.95 Hz	Ga	98.03	98.56	98.32	0.9964	99	98.21	98.44	0.9976	96.90	98.04	97.55	0.9988	95.81	98.83	97.77	0.9939
		Ju	94.59	98.68	97.94	0.9946	97.18	99.03	98.63	0.9992	96.26	99.18	98.64	0.9948	95.45	97.92	97.40	0.9831
		Si	97.65	98.27	97.85	0.9950	97.93	98.26	98.04	0.9991	97.63	97.61	97.46	0.9989	98.01	98.64	98.24	0.9938
		All	90.97	96.16	94.49	0.9739	92.29	97.25	95.61	0.9914	93.91	96.42	95.60	0.9883	91.22	95.17	93.92	0.9584
	1.95–50 Hz	Ga	97.53	99.02	98.44	0.9980	98.22	96.22	96.77	0.9958	94.04	97.52	96.20	0.9942	94.67	97.58	96.43	0.9784
		Ju	94.66	98.68	97.95	0.9911	95.03	97.40	96.85	0.9919	95.29	98.40	97.53	0.9968	92.09	97.26	96.31	0.9574
		Si	96.33	97.87	97.07	0.9954	96.56	95.50	95.91	0.9914	94.20	95.30	94.33	0.9900	93.41	97.56	95.51	0.9857
		All	85.61	93.48	90.84	0.9471	88.84	95.20	93.08	0.9779	88.58	94.21	92.33	0.9716	82.67	91.90	88.78	0.9363
30 s	0.83–1.95 Hz	Ga	97.37	97.81	97.54	0.9917	94.65	98.41	96.87	0.9982	96.75	97.77	97.33	0.9982	95.13	98.06	96.85	0.9848
		Ju	97.50	98.25	97.89	0.9917	88.69	98.61	96.37	0.9936	95	97.29	96.37	0.9848	90	97.50	95.80	0.9970
		Si	93.76	95.55	94.18	0.9884	97.74	96.90	96.85	0.9930	92.77	93.67	92.94	0.9837	92.25	93.59	92.54	0.9740
		All	87.48	95.10	92.47	0.9688	90.57	96.13	94.19	0.9838	91.06	94.54	93.33	0.9862	85.24	90.09	88.49	0.9137
	1.95–50 Hz	Ga	95.60	97.47	96.64	0.9873	94.31	98.11	96.43	0.9925	93.82	98.35	96.65	0.9929	92.96	97.12	95.52	0.9828
		Ju	100	96.56	96.99	0.9767	92.86	96.86	95.81	0.9927	88.21	97.53	95.48	0.9883	88.83	96.13	94.90	0.9736
		Si	95.43	95.42	94.92	0.9913	96.25	94.19	94.54	0.9895	90.45	97.71	93.72	0.9881	94.22	94.50	94.15	0.9784
		All	79.65	93.84	88.69	0.9467	84.63	94.54	90.72	0.9684	82.25	93.65	89.65	0.9580	79.24	92.54	88	0.9250

Note: * selected by Youden’s index criteria as the best classification result.