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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| US | 2022-11-29 15:45 |
Toyama | Consortium of universities in toyama | Investigation on effect from a compound angle in estimation of the average speed of sound using ultrasonic plane wave imaging Ryo Nagaoka, Masaaki Omura, Hideyuki Hasegawa (Univ. of Toyama)  US2022-48 |
In ultrasonography, a B-mode image is reconstructed by assuming the speed of sound in living tissues as a constant value... [more] | US2022-48 pp.25-27 |
| US | 2022-11-29 16:10 |
Toyama | Consortium of universities in toyama | Approximation of blood flow velocity profile to pulsatile flow model for ultrasonic measurement of wall shear stress in stenotic site Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, Hideyuki Hasegawa (Univ. of Toyama) US2022-49 |
Wall shear stress (WSS) contains useful information for diagnosis of vascular diseases. The WSS estimated by ultrasound ... [more] | US2022-49 pp.28-32 |
| US | 2021-11-26 15:30 |
Online | Online | Acoustic Characterization of Blood Mimicking Fluid for Ultrafast Ultrasound Imaging and PIV Masaaki Omura, Ryo Nagaoka, Kunimasa Yagi (Univ. Toyama), Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.), Hideyuki Hasegawa (Univ. Toyama) US2021-45 |
Ultrafast ultrasound imaging has been applied to characterization of a blood flow vector velocity distribution in the va... [more] | US2021-45 pp.30-35 |
| US | 2021-02-22 14:55 |
Online | Online | Effects from motions of carotid artery along the elevation direction in measurement of the 2D displacement Ryo Nagaoka, Michiya Mozumi, Masaaki Omura, Hideyuki Hasegawa (Toyama Univ.) US2020-70 |
[more] | US2020-70 pp.20-22 |
| US | 2020-11-05 13:25 |
Aichi | Cross-sectional acoustic impedance micro-imaging of human skin using time-frequency dual domain deconvolution Atsushi Imori, Edo Bagus Prastika, Mai Murakami, Tomohiro Kawashima, Sachiko Yoshida, Naohiro Hozumi (Toyohashi Univ. Tech.), Ryo Nagaoka (Univ. Toyama), Kazuto Kobayashi (Honda Electronics) US2020-44 |
[more] | US2020-44 pp.7-11 |
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| MI | 2020-01-29 15:50 |
Okinawa | OKINAWAKEN SEINENKAIKAN | Characterization of ultrasonic backscatter of vascular system using high-frame-rate ultrasound imaging Masaaki Omura (Chiba Univ.), Hideyuki Hasegawa, Ryo Nagaoka (Toyama Univ.), Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.) MI2019-91 |
[more] | MI2019-91 pp.117-122 |
| US | 2019-09-25 13:50 |
Miyagi | Tohoku Univ. | Pulse wave imaging of abdominal aorta using high temporal resolution ultrasound measurement Michiya Mozumi, Ryo Nagaoka, Hideyuki Hasegawa (Univ. of Toyama) US2019-51 |
An arteriosclerosis is a symptom of the aorta aneurysm, and it is important to detect the arteriosclerosis in the early ... [more] | US2019-51 pp.25-28 |
| US | 2019-09-25 14:30 |
Miyagi | Tohoku Univ. | Comparative study of one-way vertical illumination and four-way oblique illumination in three-dimensional photoacoustic imaging using a hemispherical array transducer Taisuke Morino, Ryo Shintate (Tohoku Univ.), Ryo Nagaoka (Toyama Univ.), Shin Yoshizawa, Shinichiro Umemura, Yoshifumi Saijo (Tohoku Univ.) US2019-52 |
Photoacoustic imaging is a non-invasive imaging technique that combines light and ultrasound. In recent years, medical a... [more] | US2019-52 pp.29-33 |
| US | 2019-06-17 15:20 |
Tokyo | Akihabara satellite campus, Tokyo Metropolitan University | Basic study on synthetic aperture method using two kinds of transmit beams Hideyuki Hasegawa, Ryo Nagaoka (Univ. Toyama) US2019-23 |
[more] | US2019-23 pp.21-24 |
| US | 2018-11-02 13:00 |
Aichi | Investigation on improvement of performance of ultrasonic beamformer Hideyuki Hasegawa, Ryo Nagaoka (Univ. Toyama) US2018-63 |
[more] | US2018-63 pp.1-4 |
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| US | 2018-10-04 16:05 |
Miyagi | Design of transmission-mode photoacoustic microscopy using high frequency transducer Ryo Shintate (Tohoku Univ.), Ryo Nagaoka (Toyama Univ.), Kazuto Kobayashi (Honda Electronics), Yoshifumi Saijo (Tohoku Univ.) US2018-60 |
Photoacoustic imaging is an imaging method having characteristics of both light and ultrasound, and has attracted attent... [more] | US2018-60 pp.67-71 |
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| US | 2018-06-21 14:50 |
Kanagawa | Verification Study on the Estimation Precision of Speckle Tracking Method in Ultrasonic Measurements with High Temporal Resolution Ryo Nagaoka, Hideyuki Hasegawa (Univ. Toyama) US2018-24 |
[more] | US2018-24 pp.25-28 |
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| US | 2017-10-05 13:25 |
Miyagi | Improvement of High Frequency Ultrasound Images by Point Spread Function Obtained with Optical Coherence Tomography Naoshi Kashiwagura, Ryo Nagaoka (Tohoku Univ), Kazuto Kobayashi (HONDA ELECTRONICS), Yoshihumi Saijo (Tohoku Univ) US2017-57 |
A novel skin imaging combining ultrasound and optical coherence tomography (OCT) is proposed in the present study. Point... [more] | US2017-57 pp.5-10 |
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| RCS, SR, SRW (Joint) |
2014-03-05 10:35 |
Tokyo | Waseda Univ. | Performance Comparison between Training Sequence Inserted OFDM and Single-carrier Transmission under Doubly-selective Fading Channel Shinya Onuma, Kohei Abo, Ryo Nagaoka, Katsuhiro Temma, Fumiyuki Adachi (Tohoku Univ.) RCS2013-377 |
In training sequence (TS) inserted block transmission, since the TS can be utilized for channel estimation, no pilot bl... [more] |
RCS2013-377 pp.431-436 |
| RCS, SR, SRW (Joint) |
2014-03-05 13:40 |
Tokyo | Waseda Univ. | HARQ Throughput of Single-carrier MIMO Communication with Adaptive Multiplexing Order Ryo Nagaoka, Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) RCS2013-383 |
Multiple-input multiple-output (MIMO) transmission, which uses multiple antennas at transmitter and receiver, can increa... [more] | RCS2013-383 pp.463-468 |
| ITS, WBS (Joint) |
2013-12-03 13:00 |
Tokyo | Tokyo University of Science | [Poster Presentation]
Routing and Moving Control Methods Using Only Passive RFID for Robot Navigation Systems Daiki Tsukuda, Manato Fujimoto, Tadashi Nakanishi, Ryo Nagao, Tomotaka Wada (Kansai Univ.), Kouichi Mutsuura (Shinshu Univ.), Hiromi Okada (Kansai Univ.) ITS2013-22 |
Today, robot navigation systems have been enthusiastically researched in the world for assisting the elderly and physica... [more] | ITS2013-22 pp.31-35 |
| NS, CS, IN (Joint) |
2013-09-13 11:10 |
Miyagi | Tohoku Univ. Research Institute of Electrical Communication 2gokan | A Moving Control Method Using Passive RFID for Autonomous Moving Navigation Systems Manato Fujimoto, Emi Nakamori, Daiki Tsukuda, Tadashi Nakanishi, Ryo Nagao, Tomotaka Wada (Kansai Univ.), Kouichi Mutsuura (Shinshu Univ.), Hiromi Okada, Yukio Iida (Kansai Univ.) IN2013-70 |
Recently, the autonomous moving navigation systems have been enthusiastically researched in the world as the technology ... [more] | IN2013-70 pp.61-66 |
| RCS, SAT (Joint) |
2013-08-29 15:45 |
Nagano | Shinshu Univ. | Single-carrier MIMO Transmission Using Adaptive Selection of Modulation Level and Spatial Multiplexing Order Ryo Nagaoka, Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) RCS2013-128 |
Multiple-input multiple-output (MIMO) transmission, which uses multiple antennas at transmitter and receiver, can increa... [more] | RCS2013-128 pp.31-36 |
| ITS | 2013-07-26 13:25 |
Osaka | Kansai University | Moving Correction Method Based on Obstacle forecast and avoidance of a Mobile Robot Using RFID Systems Tadashi Nakanishi, Manato Fujimoto, Daiki Tsukuda, Ryo Nagao, Tomotaka Wada (Kansai Univ), Kouichi Mutsuura (Sin Univ), Hiromi Okada (Kansai Univ) ITS2013-7 |
[more] | ITS2013-7 pp.7-12 |
| ITS | 2013-07-26 13:50 |
Osaka | Kansai University | Passage Divide Type Moving Control Method Using Passive RFID Systems for Autonomous Mobile Robot Ryo Nagao, Manato Fujimoto, Daiki Tsukuda, Tadashi Nakanishi, Tomotaka Wada (Kansai Univ), Kouichi Mutsuura (Sin Univ), Hiromi Okada (Kansai Univ) ITS2013-8 |
[more] | ITS2013-8 pp.13-18 |
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