Context-Aware AAL Services through a 3D Sensor-Based Platform

Figure 4

(a) Volumetric representation of body 3D point cloud. (b) Cylindrical histogram features extracted from the volumetric representation. (c) Connected mesh. (d) Geodesic map in false colors used to represent distances: near points are blue, far red. (e) Reeb graph features extracted from geodesic map.