(a)
(b)
(c)
(d)
(e)
(f)
Figure 4: The peak identification results of (a) the raw signal collected in sitting posture, (b) the raw signal collected in raising hands posture, (c) the raw signal collected in gently walking posture, (d) the corrected signal of sitting posture, (e) the corrected signal of raising hands posture, and (f) the corrected signal of gently walking posture.