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. 2015 Jan 14;15(1):1417–1434. doi: 10.3390/s150101417

Figure 9.

Figure 9.

Amplitude values of the difference vectors Di computed between the trajectories provided by the marker-based and the markerless systems, for: (a) head joint; (b) shoulder joint; (c) elbow joint; (d) ankle joint; (e) knee joint and (f) hip joint evaluated over 120 depth frames.