Affiliation: | (1) Institute for Human Science and Biomedical Engineering, National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba 305-8566, Japan;(2) Matsushita Electric Works, Ltd., 1048 Oaza Kadoma, Kadoma, Osaka 571-8686, Japan;(3) Nissan Research Center, Nissan Motor Co., Ltd., 1 Natsushima-cho, Yokosuka, Kanagawa 237-8523, Japan;(4) Graduate School of Environment and Information Sciences, Yokohama National University, 79-7 Tokiwa-dai, Hodogaya-ku, Yokohama 240-8501, Japan;(5) Department of Information and Control Systems Science, Graduate School of Engineering, Utsunomiya University, 7-1-2 Yoto, Utsunomiya 321-8585, Japan |