Change Point Detection for Piecewise Envelope Current Signal Based on Wavelet Transform

Table 6

Comparison of program computation time of the envelope method and the direct method.

Wavelet	Direct method/s	Envelope method /s	Reduction of computation time/%
db2	0.17413	0.13803	20.734
Sym2	0.16627	0.14662	11.817
Coif1	0.17442	0.15252	12.558
bior2.2	0.18728	0.14983	19.993