Table 4.

Average recognition accuracy (%) comparison of the different transformation methods with the different datasets.

Method	MobiAct	DaLiAc	UCI-HAR	UC-HAR
Raw signal plot [39]	98.22	92.06	92.86	93.08
Spectrogram [40]	98.02	94.54	91.02	93.40
Recurrence plot [41]	100.00	84.75	88.47	93.15
Multichannel [42]	99.88	98.12	96.60	98.14
Iss2Image	100.00	98.90	97.11	98.16