Indoor PDR Positioning Assisted by Acoustic Source Localization, and Pedestrian Movement Behavior Recognition, Using a Dual-Microphone Smartphone

Table 6

Results of the stride estimation method experiment.

	Method 1	Method 2	Method 3
Coordinates	(1.06, -0.30)	(1.97,-1.2)	(-0.57, 0.30)
-direction error (m)	1.06	1.97	0.57
-direction error (m)	0.30	1.2	0.30
Root mean square error (m)	1.10	2.30	0.67