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Table 5 Computation time of optimization algorithms for real ECG signals

From: Fast basis search for adaptive Fourier decomposition

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
  1. 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)