Ryuhei Tenmoku Akito Nishigami Fumihisa Shibata Asako Kimura Hideyuki Tamura Balancing Design Freedom and Constraints in Wall Posters Masquerading as AR Tracking Markers. 263-272 2009 HCI (13) http://dx.doi.org/10.1007/978-3-642-02771-0_30 conf/hci/2009-13 db/conf/hci/hci2009-13.html#TenmokuNSKT09