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ABSTRACT

The purpose of our work is to develop an instruction system for billiards for beginners using a projector-camera system. The direction and strength of shot are quite important in order to make the shot successful. The player's shooting stance is also important to shoot the cue-ball exactly. The direction and strength of shot and the proper shooting stance are non-symbolic information which is difficult to send to the beginner. It is generally useful that the beginner easily gets these kinds of information. We use a projector to resolve this problem. In this paper, we describe the method recognizing objects on the table, the method calculating a shooting path and shot difficulty, and the method showing the supporting information. We have confirmed experimental effectiveness of our support information.

REFERENCES

• 1: D. G. Alciatore. The Illustrated Principles of Pool and Billiards. Sterling Publishing, 2004.
• 2: Tony Jebara , Cyrus Eyster , Josh Weaver , Thad Starner , Alex Pentland, Stochasticks: Augmenting the Billiards Experience with Probabilistic Vision and Wearable Computers, Proceedings of the 1st IEEE International Symposium on Wearable Computers, p.138, October 13-14, 1997
• 3: J. H. Koehler. The science of Pocket Billiards. Sportology publications, 1989.
• 4: Y. Ogata, D. Arita, and R. Taniguchi. Task supporting system in real world by a projector-camera system for billiards. In IPSJ SIGCVIM, Vol. 2006 No. 51, pages 181--188, 2006 (in Japanese).
• 5: Y. Ogata, A. Suganuma, A. Shimada, D. Arita, and R. Taniguchi. A billiard instruction system based on mixed reality technique. In Korea-Japan Joint Workshop on Frontiers of Computer Vision, pages 344--3349, January 2008.
• 6: H. Shimoda, H. Ishii, Y. Yamazaki, and H. Yoshikawa. A support system for water system isolation task in npp by using augmented reality and rfid. In The 6th International Conference on Nuclear Thermal Hydraulics, Operations and Safety (NUTHOS-6), page N6P205, 2004.
• 7: H. Uchiyama and H. Saito. Position estimation of solid balls from handy camera for pool supporting system. In PSIVT06, pages 393--402, 2006.

INDEX TERMS

Primary Classification:
  H. Information Systems
  H.5 INFORMATION INTERFACES AND PRESENTATION (I.7)
      H.5.1 Multimedia Information Systems

Additional Classification:
  H. Information Systems
  H.5 INFORMATION INTERFACES AND PRESENTATION (I.7)
      H.5.2 User Interfaces (D.2.2, H.1.2, I.3.6)

General Terms:
Verification

Keywords:
billiards, correcting shooting stance, mixed reality, projector-camera system, shot support