@InProceedings{ zhang12iros,
	author = {L. Zhang and J. Sturm and D. Cremers and D. Lee},
	title = "Real-Time Human Motion Tracking using Multiple Depth Cameras",
	booktitle = "Proc. of the International Conference on Intelligent Robot Systems (IROS)",
	year = "2012",
	month= "Oct.",
        keywords="rgb-d",
}