Author Affiliations

Hirofumi Horikawa, Naoshi Baba, Masashi Ohtsubo, Yuji Norimoto, Tetsuo Nishimura, and Noriaki Miura

When this research was performed, H. Horikawa and N. Baba were with the Department of Applied Physics, Hokkaido University, Sapporo 060-8628, Japan;

H. Horikawa is now with the System R&D Department, Ricoh Co., Ltd., Yokohama 224-0035, Japan.

M. Ohtsubo is with the National Astronomical Observatory of Japan, Mitaka 181-8588, Japan.

Y. Norimoto is with the Okayama Astrophysical Observatory, National Astronomical Observatory of Japan, Kamogata 719-0232, Japan.

T. Nishimura is with the Subaru Telescope, National Astronomical Observatory of Japan, Hilo, Hawaii 96720.

N. Miura is with the Department of Computer Sciences, Kitami Institute of Technology, Kitami 090-8507, Japan.