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Recently, many small pocket-size projectors have been developed. It is expected that in the near future, such projectors will be installed in portable devices. Meanwhile, intuitive interfaces that operate according to the user's motion have been popular. Therefore, the interfaces that can be used for accessing information using handheld projectors have been increasingly studied [Forlines et al. 2005][Cao et al. 2007]. However, these interfaces suffer from a number of problems. Some systems need motion-tracking systems in order to measure the position of the projector. Further, the surface where image is projected are limited to plain screen like a white wall.