1. Foxlin, E.: Motion tracking requirements and technologies. In: Stanney, K.M. (ed.) Handbook of Virtual Environment Technology, pp. 163–210. Lawrence Erlbaum Associates, Hillsdale (2002)
2. Moehring, M., Lessig, C., Bimber, O.: Optical tracking and video see-through AR on consumer cell phones. In: Proc. Workshop on Virtual and Augmented Reality of the GI-Fachgruppe AR/VR, pp. 193–204 ( 2004)
3. Drab, S.A., Artner, N.M.: Motion detection as interaction technique for games & applications on mobile devices. In: Pervasive Mobile Interaction Devices (PERMID) Workshop, Munich, Germany (May 2005)
4. Winkler, S., Rangaswamy, K., Zhou, Z.: Intuitive user interface for mobile devices based on visual motion detection. In: Proc. SPIE Multimedia on Mobile Devices. Vol. 6507, San Jose, CA, USA (January 2007)
5. Lecture Notes in Computer Science;L. Arhippainen,2005