Clifton Forlines Ravin Balakrishnan Paul A. Beardsley Jeroen van Baar Ramesh Raskar Zoom-and-pick: facilitating visual zooming and precision pointing with interactive handheld projectors. 73-82 2005 conf/uist/2005 UIST http://doi.acm.org/10.1145/1095034.1095046 db/conf/uist/uist2005.html#ForlinesBBBR05