1. Xie, W., Teoh, E.K., Venkateswarlu, R., Chen, X.: Hand as natural man–machine interface in smart environments. In: Proceedings of the 24th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, pp. 117–122 (2006)
2. Lee, M., Woo, W.: ARKB:3D vision-based augmented reality keyboard. In: Proceeding of International Conference on Artificial Real Telexistence, pp. 54–57 (2003)
3. Chen, J.Y., Haas, E., Barnes, M.: Human performance issues and user interface design for teleoperated robots. IEEE Trans. Syst. Man Cybernet. Part C 37, 1231–1245 (2007)
4. Hu, C., Meng, M.Q., Liu, P.X., Wang, X.: Visual gesture recognition for human–machine interface of robot teleoperation. In: Proceedings of the IEEE International Conference on Intelligent Robots and Systems, Las Vegas, Nevada, pp. 1560–1565 (2003)
5. Breizner, L., Laptev, I., Lindeberg, T., Lenman, S., Sundhlad, Y.: A prototype system for computer vision based human computer interaction, Technical report CVAP251, ISRN KTH NA/P–01/09—SE, Department of Numerical Analysis and Computer Science, KTH, Royal Institute of Technology, Stockholm, Sweden (2001) ftp://ftp.nada.kth.se/CVAP/reports/cvap251.pdf