Hand segmentation

In order to do the tracking we segmented our hand prior to the tracking so that the measurement stage could be done against a binary image. Speed was therefore a big concern since the tracker had to be able to run in real time.

Several algorithms were considered, especially those which had been found to have higher rates of true positives as exposed by Vezhnevets et al. [1].

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[1] Vezhnevets, V., Sazonov, V., Andreeva, A., 2003. A survey on pixel-based skin color detection techniques, GRAPHICON03, pp. 85-92.