T. Yamamura, M. Tanabe, K. Okubo, N. Tagawa, ``A Method for Improving Signal-to-Noise Ratio of Tissue Harmonic Imaging Based on Bayesian Inference Using Information of Fundamental Echoes," Jpn. J. Appl. Phys., vol.51, 07GF01(12 pages), July, 2012.
Y. Ara, K. Okubo, N. Tagawa, T. Tsuchiya, T. Ishizuka, ``Perfprmance Comparison of Subgrid Techniques in Acoustic Simulation Using the Type-M and Type-C Constrained Interpolation Profile Methods," Jpn. J. Appl. Phys., vol.51, 07GG05(2 pages), July, 2012.
N. Kawada, T. Yoda, N. Tagawa, T. Tsuchiya, K. Okubo, ``Evaluation of Acoustic Simulation Using Wave Equation Finite Difference Time Domain Method with Compact Finite Differences," Jpn. J. Appl. Phys., vol.51, 07GG06(2 pages), July, 2012.
河本江平, 田川憲男, 大久保寛, 秋山いわき, ``周波数依存減衰を補正したパルス圧縮広帯域画像化の検討", 日本超音波医学会 第85回学術集会講演抄録集, Jpn. J. Med. Ultrasonics, vo. 39, Supplement, p. S516, 2012.
N. Kawada, K. Okubo, N. Tagawa, T. Tsuchiya, ``GPGPU Based High-speed Visualization Techniques for Sound Wave Propagation," in Proc. Symp. on Ultrasonic Electronics, vol. 33, pp.59-60, Nov. 2012.
H. Suzuki, N. Tagawa, K. Okubo, ``A Study on Speckle Suppression by Stochastic Vibration of Ultrasound Transducer,”in Proc. Symp. on Ultrasonic Electronics, vol. 33, pp. 111-112, Nov. 2012.
J. Adachi, K. Okubo, N. Tagawa, T. Tsuchiya, ``Examination on Absorbing Boundary Condition Using Method of Characteristics on Collocated Orthogonal Grid," in Proc. Symp. on Ultrasonic Electronics, vol. 33, pp. 115-116, Nov. 2012.
Y. Ara, K. Okubo, N. Tagawa, T. Tsuchiya, T. Ishizuka, ``Sub-grid Technique for Numerical Simulation of Sound Wave Propagation Combining Constrained Interpolation Profile Schemes," in Proc. Symp. on Ultrasonic Electronics, vol. 33, pp. 117-118, Nov. 2012.
T. Yoda, K. Okubo, N. Tagawa, T. Tsuchiya, ``Accuracy Evaluation of Boundary Interface in Sound Field Simulation Using High-order FDTD Methods," in Proc. Symp. on Ultrasonic Electronics, vol. 33, pp. 341-342, Nov. 2012.
K. Kato, M. Yoshizawa, N. Tagawa, T. Irie, T. Moriya, ``Ultrasonic Power Circulation-type Quadratic Excitation Method for Improvement in Torque of Coiled Stator Ultrasonic Motor," in Proc. Symp. on Ultrasonic Electronics, vol. 33, pp. 475-476, Nov. 2012.
K. Nii, N. Tagawa, K. Okubo, S. Yagi, ``Shear Wave Generation in Living Body by Mode Conversion of Longitudinal Wave at Elasticity Boundary," in Proc. Symp. on Ultrasonic Electronics, vol. 33, pp. 485-486, Nov. 2012
K. Nii, K. Okubo, N. Tagawa, S. Yagi, “Shear Wave Generation for Elasticity Imaging via Mode Conversion from Longitudinal Waves at Elasticity Boundary,” in Proc. Int. Tissue Elasticity Conf., p.106, Oct. 2012.
K. Koumoto, K. Nii, N. Tagawa, K. Okubo, I. Akiyama, ``Wide Band Pulse Compression Imaging with Transmission Compensation for Frequency Dependent Attenuation," IEEE Int. Ultrasonics Symp., Oct. 2012. (proceeding is in printing)
T. Irie, T. Hasegawa, M. Sato, N. Tagawa, M. Tanabe, M. Yoshizawa, T. Iijima, T. Moriya, K. Itoh, ``Transmission of 100-MHz-Range Ultrasound Through a Fused Quartz Fiber," IEEE Int. Ultrasonics Symp., Oct. 2012. (proceeding is in printing)
K. Wakabayashi, N. Tagawa, K. Okubo, ``Shape from Multi-View Images Based on Image Generation Consistency," in Proc. Int. Conf. Comput. Vision Theory and Appl., pp. 334-340, Feb. 2013.
N. Tagawa, S. Koizumi, K. Okubo, ``Direct Depth Recovery from Motion Blur Caused by Random Camera Rotations Imitating Fixational Eye Movements," in Proc. Int. Conf. Comput. Vision Theory and Appl., pp. 177-186, Feb. 2013.
受賞・表彰等(本人)
日本超音波医学会論文賞(第26回菊池賞)、Transmission of 100-MHz-range ultrasound through a fused quartz fiber、日本超音波医学会、平成24年5月26日