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KVL Kinect Tracker - Demo

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Uploaded on Jan 1, 2012

KVL Kinect Tracker - a depth-sensitive Kinect blob tracker
by Zachary Seldess, King Abdullah University of Science and Technology
http://www.vis.kaust.edu.sa
http://www.zacharyseldess.com

Download standalone app (Mac only), and maxpatch files at: http://www.vis.kaust.edu.sa/tools/KVL...

Made with Max5. Using jit.freenect and cv.jit objects... and some GLSL, Java, and JavaScript...
http://jmpelletier.com/freenect/
http://jmpelletier.com/cvjit/

FEATURES:
1. 3D background subtraction

2. custom culling of Kinect depth matrix for carving out ideal tracking space

3. reports blob location data via OSC to variable number of listening clients, as follows:
--- /kinect/blobs label1 pixelX1 pixelY1 x1 y1 z1 label2 pixelX2 pixelY2 x2 y2 z2... etc. for as many blobs as are present (message length will be in multiples of 6 element list)

4. by default blobs are sorted and labeled in ascending order nearest to farthest from camera (labels start at 1)
--- pixel x/y coords are blob centroid in pixel (camera frame) space, normalized from -1. to 1., with origin at center of frame
--- x/y/z coords are real-space 3D blob centroid coordinates in meters (right-handed coordinate system, with z pointing out from camera, y pointing up)

5. optional depth-sensitive tracking - attempts to consistently associate labels with correct blobs, regardless of overlap, etc.

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