1. Essa, I.A.: Ubiquitous sensing for smart and aware environments: Technologies towards the building of an aware home. IEEE Personal Communications (October 2000), Special issue on networking the physical world
2. Addlesee, M.D., Jones, A., Livesey, F., Samaria, F.: ORL active floor. IEEE Personal Communications 4(5), 35–41 (1997)
3. Orr, R.J., Abowd, G.D.: The smart floor: A mechanism for natural user identification and tracking. In: Proc. 2000 Conf. Human Factors in Computing Systems (CHI 2000), ACM Press, New York (2000)
4. Pirttikangas, S., Suutala, J., Riekki, J., Röning, J.: Footstep identification from pressure signals using Hidden Markov Models. In: Proc. Finnish Signal Processing Symposium, FINSIG 2003, May 2003, pp. 124–128 (2003)
5. Kohonen, T.: Self-Organizing Maps. Springer, Heidelberg (1997)