— Edmund Nesveda

Skeleton Tracking with Kinect

 

OpenNI supports the output of 24 different joints. The NiTE middleware skeleton tracking supports just 15 joints. The skeleton output of will therefore have additional joints with duplicated coordinates.

Here’s a list of all the joints available for tracking:

1 /skeleton/joint/head 5 0.376254 0.158162 1.31012 1
2 /skeleton/joint/neck 5 0.379469 0.300094 1.35346 1
3 /skeleton/joint/torso 5 0.381939 0.416454 1.3511 1
4 /skeleton/joint/waist 5 0.381939 0.416454 1.3511 0 (duplicate! not valid) 5 /skeleton/joint/l_collar 5 0.381939 0.416454 1.3511 0

6 /skeleton/joint/l_shoulder 5 0.442317 0.298091 1.39435 1
7 /skeleton/joint/l_elbow 5 0.478067 0.420739 1.47322 1
8 /skeleton/joint/l_wrist 5 0.478067 0.420739 1.47322 0 (duplicate! not valid) 9 /skeleton/joint/l_hand 5 0.502907 0.580862 1.37264 1

10 /skeleton/joint/l_fingertip 5 0.502907 0.580862 1.37264 0 (duplicate! not valid)

11 /skeleton/joint/r_collar 5 0.502907 0.580862 1.37264 0 (duplicate! not valid) 12 /skeleton/joint/r_shoulder 5 0.316621 0.302097 1.31258 1
13 /skeleton/joint/r_elbow 5 0.291915 0.431105 1.37859 1
14 /skeleton/joint/r_wrist 5 0.291915 0.431105 1.37859 0 (duplicate! not valid) 15 /skeleton/joint/r_hand 5 0.243468 0.58301 1.26445 1

16 /skeleton/joint/r_fingertip 5 0.243468 0.58301 1.26445 0 (duplicate! not valid

)
17 /skeleton/joint/l_hip 5 0.424873 0.531524 1.37506 1
18 /skeleton/joint/l_knee 5 0.431999 0.783388 1.37493 1
19 /skeleton/joint/l_ankle 5 0.431999 0.783388 1.37493 0 (duplicate! not valid) 20 /skeleton/joint/l_foot 5 0.425306 0.991183 1.59826 1
21 /skeleton/joint/r_hip 5 0.343947 0.534104 1.32241 1

22 /skeleton/joint/r_knee 5 0.3335 0.777346 1.32825 1
23 /skeleton/joint/r_ankle 5 0.3335 0.777346 1.32825 0 (duplicate! not valid)

24 /skeleton/joint/r_foot 5 0.348461 0.954826 1.55574 1

 

M. Kronlachner, „The Kinect distance sensor as human-machine-interface in audio-visual art projects“, project report, Institute of Electronic Music and Acoustics, University of Music and Performing Arts, Graz, Austria, January 2013.

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