“Instant replay using high speed motion capture and projected overlay” by Nii, Summet, Zhao, Westhues, Dietz, et al. …

  • ©Hideaki Nii, Jay Summet, Yong Zhao, Jonathan Westhues, Paul H. Dietz, Shree K. Nayar, John Barnwell, Michael Noland, Vlad Branzoi, Erich Bruns, Masahiko Inami, and Ramesh Raskar


    We describe the interactive demonstration ‘Instant Replay’ to be shown at the Emerging Technologies at Siggraph 2006. Instant Replay is an example application of an inexpensive, highly accurate ‘motion capture’ system that is able to effectively track many fast-moving, rotating objects. The system works at very high frame rates (500Hz), and reduces cost by employing relatively simple LED projector components in place of high-speed cameras. The cost of the system is only a few hundred dollars.


    1. Nii, H., Sugimoto, M., and Inami, M. 2005. Smart Light Ultra High Speed Projector for Spatial Multiplexing Optical Transmission. In Procams 2005.
    2. Raskar, R., Beardsley, P., Van Baar, J., Wang, Y., Dietz, P., Lee, J., Leigh, D., and Willwacher, T. 2004. RFIG lamps: Interacting with a Self-describing World via Photosensing Wireless Tags and Projectors. In SIGGRAPH, ACM Transactions on Graphics, vol. 23, 406–415.

ACM Digital Library Publication:

Overview Page: