Takashi Aoki Tomohiro Tanikawa Michitaka Hirose Virtual 3D World Construction by Inter-connecting Photograph-based 3D Models. 243-244 2008 VR http://dx.doi.org/10.1109/VR.2008.4480782 conf/vr/2008 db/conf/vr/vr2008.html#AokiTH08