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Archive for March 26, 2011 7:57 pm
How Kinect body tracking works and how Machine Learning helped
March 26, 2011 7:57 pm by Markus.
Microsoft Research has published a paper explaining how the Kinect body tracking algorithm works [PDF]. This video shows how it all comes together. They trained a variation of Random Forests on the various pre-labeled images to identify the various body parts from a normal RBG camera and a depth-camera. The way they create many more training images from previously captured data is also interesting. The final system can run at 200 frames per second and it doesn’t need an initial calibration pose. Very interesting…
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