Takumi Yoshida Shinobu Kuroki Hideaki Nii Naoki Kawakami Susumu Tachi ARScope. 4 2008 SIGGRAPH New Tech Demos http://doi.acm.org/10.1145/1401615.1401619 conf/siggraph/2008demos db/conf/siggraph/siggraph2008demo.html#YoshidaKNKT08