1. 2) http://analysis.nacinc.jp/products/3d/
2. 3) http://www.ne.jp/asahi/gait/analysis/comparison2002/
3. 4) Kobayashi, K., Nishiwaki, K. et al.: Overlay what Humanoid Robot Perceives and Thinks to the Real-world by Mixed Reality System, Proceedings of The Sixth IEEE and ACM International Symposium on Mixed and Augmented Reality, Nara-Ken New Public Hall, Nara, 275-276, (2007).
4. 5) http://www.christie.jp/product/DisplaySystem/Holostage/