Toshiki Sato, Haruko Mamiya, Kentaro Fukuchi, Hideki Koike. PAC-PAC: pinching gesture recognition for augmented tabletop video game. In Gerald Morrison, Sriram Subramanian, M. Sheelagh T. Carpendale, Michael Haller, Stacey D. Scott, editors, ACM International Conference on Interactive Tabletops and Surfaces, ITS 2009, Banff / Calgary, Alberta, Canada, November 23-25, 2009. pages 8, ACM, 2009. [doi]