K. Okubo, S. Oh, T. Tsuchiya and N. Takeuchi, “Consideration of the Boundary Condition between Two Media in Acoustic Field Analysis Using the Constrained Interpolation Profile (CIP) Method.,” IEICE Trans. Fundam., vol.E90–A, no. 9, pp.2000–2005, Sep. 2007.
S.Oh, K Okubo, T.Tsuchiya and N.Takeuchi, ”Two-Dimensional Numerical Analysis Of Acoustic Field Using The Constrained Interpolation Profile Method”, Acoust. Imaging, vol.29, pp.497–503, 2007.
Y.Yoshida, K.Okubo and N.Takeuchi, ”Novel Method for Numerical Analysis of Electromagnetic Field Using Type C CIP Method”,2007 IEEE Antennas Propag. Int. Symp., pp.5235–5238, Jun. 2007.
T.Tsuchiya, K.Okubo and N.Takeuchi, ”Numerical Simulation of Nonlinear Sound Wave Propagation Using CIP Method”, 14th Int. Congr. Sound Vib., Jul. 2007.
M.Tanabe, S.Xie, K.Okubo, N.Tagawa and T.Moriya, ”Driving a Coiled-Stator Ultrasonic Motor Using a Single Crystal PZN-PT”, IEEE Int. Ultrason. Symp., Oct. 2007.
S.Watanabe, K.Okubo, A.Takeuchi, T.Ishii and N.Takeuchi, ”Observation of electromagnetic signals in an underground observation room”, AGU Fall Meet., Dec. 2007.
A.Takeuchi, Y.Fukuda, S.Takeuchi, K.Okubo, T.Ishii and N.Takeuchi, ”Positive electrification on rock surface in field observation and laboratory experiments”,AGU Fall Meet., vol.129, no. 3, pp.153–154, Dec. 2007.
M.Fujiwara, M.Tanabe, N.Akazawa, K.Okubo, and N.Tagawa, ”Study on harmonic pulse compression imaging with consideration of harmonic property”, IEEE Int. Ultrason. Symp., pp.1756–1759, Dec. 2007.
M.Ikeda, K.Okubo, and N.Tagawa, ”Moving Object Tracking Based on Region Label Assignment”,Int. Work. Adv. Image Technol., vol.107(411), pp.373–378, Jan. 2008.
Z.Cai, K.Okubo, and N.Tagawa, ”Improvement of Gradient Method for Optical Flow Detection Based on Correction of Intensity Differentials”, Int. Work. Adv. Image Technol., vol.107(411), pp.379–383, Jan. 2008.