SenSafe: A Smartphone-Based Traffic Safety Framework by Sensing Vehicle and Pedestrian Behaviors

Figure 7

Gyroscope readings when the vehicle makes turns or lane changes.

(a) Turn right (one bump)

(b) Turn left (one bump)

(c) Turn right (two bumps)

(d) Turn left (two bumps)

(e) Change to the right lane

(f) Change to the left lane

(g) Turn back