Institution: | a R & D division, DKK Corporation, 4-13-14 Kichijoji, Kitamachi, Musashino-shi, Tokyo 180-0001, Japan b Scientific Investigation Research Laboratory, Kagoshima Pref. Police HQ, 10-1 Kamoikeshinmachi, Kagoshima-shi, Kagoshima 890-0064, Japan c Ariake National College of Technology, 150 Higashihagiomachi, Omuta-shi, Fukuoka 836-8585, Japan d Faculty of Engineering, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka-shi, Fukuoka 812-0053, Japan |