Research Article
Smartphone’s Sensing Capabilities for On-Board Railway Track Monitoring: Structural Performance and Geometrical Degradation Assessment
Figure 5
Different types of track discontinuities found along the line (Imagery: Google Street View): (a) bridge, (b) road underpass, (c) culvert, (d) train station, (e) turnout, (f) rail joint, and (g) unauthorized pedestrian crossing.
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |
(g) |