Table 2.

Performance comparison between LPF and DWD in terms of AE. SD stands for standard deviation.

Chewing Speed	LPF			DWD
	${\mathit{AE}}_{\mathit{avg}}$	${\mathit{AE}}_{\mathit{avg}}$	$\pm \mathit{SD}$	${\mathit{AE}}_{\mathit{avg}}$	${\mathit{AE}}_{\mathit{avg}}$	$\pm \mathit{SD}$
Slow	5.42	0	4.61	5.72	0	4.8
Normal	7.47	0	6.85	7.45	0	6.85
Fast	9.84	0	9.55	10.32	0	10.42