Fast basis search for adaptive Fourier decomposition

EURASIP Journal on Advances in Signal Processing

Table 5 Computation time of optimization algorithms for real ECG signals

Real ECG	Conventional	NM	UKF	GA	PSO
records	method	method	method	method	method
100	2.895	0.722	0.539	1.156	2.211
101	2.982	0.618	0.526	1.019	2.015
102	2.871	0.594	0.541	1.022	2.071
103	2.798	0.554	0.519	1.002	2.010
104	2.793	0.547	0.578	0.928	1.994
105	2.824	0.546	0.545	0.966	1.986
106	3.172	0.543	0.989	1.348	2.148
107	3.293	0.595	0.495	1.122	2.046
108	3.294	0.577	0.533	1.013	2.059
109	2.863	0.563	0.543	0.959	2.067
119	2.775	0.518	0.546	0.945	1.994
201	3.029	0.557	0.565	0.996	2.520
202	3.059	0.585	0.563	0.981	2.049
203	2.942	0.831	0.654	0.999	2.117
205	3.011	0.903	0.714	1.113	2.366
207	2.907	0.607	0.528	1.025	2.117
208	2.958	0.560	0.606	1.033	2.067
209	2.888	0.573	0.533	1.271	2.093
213	2.847	0.620	0.588	0.961	2.077
Mean	2.958	0.611	0.584	1.045	2.106
STD	0.155	0.101	0.110	0.111	0.134

Fonts in italics denote that there are all significant differences between the UKF method and any one of other methods by paired t-tests (p<0.001)