1. School of Information and Communication Engineering, Kitami Institute of Technology , Kitami 090-8507, Japan
2. School of Engineering, Utsunomiya University , Utsunomiya, 321-8585 Japan
3. Graduate School of Regional Development and Creativity, Utsunomiya University , Utsunomiya, 321-8585 Japan
4. Center for Optical Research and Education (CORE), Utsunomiya University , Utsunomiya, 321-0912 Japan
5. Robotics, Engineering and Agriculture-technology Laboratory (REAL), Utsunomiya University , Utsunomiya, 321-0912 Japan
6. National Institute for Basic Biology , 38 Nishigonaka, Myodaiji, Okazaki, Aichi, 444-8585 Japan
7. National Astronomical Observatory of Japan , Mitaka, 181-8588 Japan