TABLE III.

Evaluation of GMM Systems Based on Different Configurations of Cepstral Feature Extraction.

ECG ID	number of cepstra	number of spectral bands	window length in second	window shift in second	first order delta	HLDA	cepstral feature dimension	GMM Gaussian components	accuracy Pc (%)
1	36	64	0.5	0.25	yes	no	64	32	55.49
2	36	64	0.25	0.125	yes	no	64	32	61.83
3	24	64	0.25	0.125	yes	no	48	32	61.45
4	64	64	0.25	0.125	yes	no	128	32	57.64
5	24	64	0.25	0.25	yes	no	48	32	59.23
6	24	64	0.25	0.125	no	no	24	32	59.17
7	24	48	0.12	0.06	yes	no	48	16	61.26
8	24	48	0.12	0.06	yes	no	48	32	63.20
9	24	48	0.12	0.06	yes	no	48	64	63.45
ACC ID	number of cepstra	number of spectral bands	window length in second	window shift in second	first order delta	HLDA	cepstral feature dimension	GMM Gaussian components	accuracy Pc (%)
1	20	20	0.48	0.24	yes	no	120	32	74.76
2	20	20	0.96	0.48	yes	no	120	32	67.48
3	20	20	0.24	0.24	yes	no	120	32	70.73
4	20	20	0.48	0.24	yes	no	120	16	75.01
5	20	20	0.48	0.24	yes	no	120	64	72.45
6	7	20	0.48	0.24	yes	no	42	32	72.00
7	20	20	0.48	0.24	yes	yes	96	32	77.52
8	20	20	0.48	0.24	yes	yes	84	32	77.34
9	20	20	0.48	0.24	yes	yes	72	32	77.56

(ACC = Accelerometer)