Table 2:
The average relative error and computation time performance compared to FFT and HMIR method.
Average relative error (%)
Time (sec)
FMT method
0.9
1.2
4.3
2.7
18.4
HMIR method
4.3
3.9
3.6
2.2
34.7
Proposed method
0.4
0.6
1.4
1.9
21.8