Antonio Haro Koichi Mori Tolga K. Çapin Stephen Wilkinson Mobile Camera-Based User Interaction. 79-89 2005 conf/iccv/2005hci ICCV-HCI http://dx.doi.org/10.1007/11573425_8 db/conf/iccv/iccv-hci2005.html#HaroMCW05