Daily Living Movement Recognition for Pedestrian Dead Reckoning Applications

Figure 8

Linear acceleration signal on -axis, -axis, and -axis of the accelerometer body frame referring to walking and walking downstairs and upstairs activities.

(a) Linear acceleration signal on -axis, -axis, and -axis of the accelerometer body frame, referring to a walking activity. The red rectangle highlights a walking step movement

(b) Linear acceleration signal on -axis, -axis, and -axis of the accelerometer body frame, referring to a walking upstairs activity. The red rectangle highlights a walking upstairs step movement

(c) Linear acceleration signal on -axis, -axis, and -axis of the accelerometer body frame, referring to a walking downstairs activity. The red rectangle highlights a walking downstairs step movement