1. Nonaka, I., Takeuchi, H.: The Knowledge - Creating Company. Oxford University Press, Oxford (1995)
2. Matsuyama, T.: Cooperative distributed vision: Dynamic integration of visual perception, camera action, and network communication. In: Proceedings of the fourth international workshop on cooperative distributed vision, pp. 1–25 (2001)
3. Nishiguchi, S., Higashi, K., Kameda, Y., Minoh, M.: A method for understanding situation of speakers based on multimodal sensors. In: IEICE Technical Report. MVE 2002-126, 25-28 (2003) (in Japanese)
4. Kameda, Y., Ishizuka, K., Minoh, M.: A realtime imaging method for distance learning based on dynamic situation understanding. In: IPSJ SIG Notes, vol. 2000-33, pp. 81–88 (2000)
5. Omologo, M., Svaizer, P.: Use of the crosspower-spectrum phase in acoustic event location. IEEE Trans. on Speech and Audio Processing, 288–292 (1997)