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

Table 4

Results of the recognition of the movement transition zone.

	Step 1 (walk)	Step 2 (upstairs)	Step 3 (upstairs)	Step 1 (walk)	Step 2 (downstairs)	Step 3 (downstairs)
SVM	96.4%	82.6%	89.4%	96.1%	90.7%	88.3%
SVM + D-S theory	97.1%	91.3%	92.5%	97.8%	95.2%	96.6%