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. Author manuscript; available in PMC: 2013 Sep 25.
Published in final edited form as: Proc IEEE Comput Soc Conf Comput Vis Pattern Recognit. 2010:3463–3468. doi: 10.1109/CVPR.2010.5539979

Figure 3.

Figure 3

k-Tree diagram. G-M: mixture of Gaussians. Every key is a mixture of Gaussians. Each key in the inner nodes is the t-center of all keys in its children nodes. The key of a leaf is a mixture of Gaussians corresponding to an individual shape.