Figure 2.

Measured and estimated poses of one subject are shown for different activities. Body segments on the left-side of the subject are colored red, while the right-side is colored blue. Joints are marked by black dots. The top row shows the measured poses of the testing dataset, the middle row shows poses estimated by NNS, and the bottom row shows those poses estimated by ANN (configuration D). Pose${}_1$ shows a pose in mid swing, pose${}_2$ is directly after toe off while carrying two cups, in pose${}_3$, a tray of cups is picked up and the subject is squatting in pose${}_4$.