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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 51  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
US 2023-10-18
Miyagi Tohoku Univ. and Online
(Primary: On-site, Secondary: Online)
An ultrasonic method for measuring small continuous sinusoidal displacements using a network analyzer
Yuya Komatsu, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.) US2023-38
We have developed a method for generating continuous sinusoidal displacements of an object to estimate the viscoelastic ... [more] US2023-38
US 2021-11-26
Online Online Study on estimation of speed of sound in propagation medium considering size of target scatterer
Shohei Mori, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.) US2021-46
Speed of sound estimation in propagation medium of ultrasound is essential to improve an ultrasound imaging quality. In ... [more] US2021-46
US 2020-09-28
Online Online Investigation on measurement of myocardial contraction response using multiple-frequency phased-tracking method
Yu Obara, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.) US2020-27
 [more] US2020-27
US 2020-09-28
Online Online A Basic Study on Depiction of Thoracic Spine Based on Difference between Ultrasound Reflection and Scattering Characteristics
Takumi Hashimoto, Shohei Mori, Mototaka Arakawa, Onishi Eiko, Masanori Yamauchi, Hiroshi Kanai (Tohoku univ.) US2020-28
 [more] US2020-28
Kyoto Doshisha Univ. Multiple Phased-Tracking for Velocity Estimation of Heart Wall
Yu Obara, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.) US2019-93
For the detection of the myocardial ischemic regions at an early stage, we have been studied measuring the contraction r... [more] US2019-93
US 2019-09-25
Miyagi Tohoku Univ. Improvement in estimation accuracy of luminal surface roughness of carotid artery by ultrasonic measurement -- examination on the elimination method of pulsatile components of blood vessel --
Takahisa Abe, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.) US2019-56
Measuring the tens of microns’ roughness on the luminal surface of the arterial wall is expected to realize an extremely... [more] US2019-56
US 2018-10-04
Miyagi   In vivo estimation of sound velocity distribution for diagnosis of fatty liver disease and high resolution of tomographic imaging using ultrasound
Keiichiro Abe, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.) US2018-50
Medical ultrasound imaging has high performance in observing various organs. However, there is a problem that the image ... [more] US2018-50
US 2017-10-05
Miyagi   Analysis of Ultrasonic Scattering Characteristics for Diabetics Focusing on Red Blood Cell Aggregation
Hiroki Sakaki, Mototaka Arakawa (Tohoku Univ.), Satoshi Yashiro, Yasushi Ishigaki (Iwate Medical Univ.), Hiroshi Kanai (Tohoku Univ.) US2017-56
The frequency dependence of the ultrasonic backscattering power varies due to the scatterer size. However, the ultrason... [more] US2017-56
US 2017-10-05
Miyagi   Analysis of pulse wave velocity by ultrasonic instantaneous measurement of small vibrations at multiple points on arterial wall
Mika Ito, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.) US2017-59
In the conventional pulse wave velocity (PWV) measurement methods, there are problems that the measurement range is wide... [more] US2017-59
US 2017-10-05
Miyagi   Ultrasonic measurement of propagation of myocardial contraction response in interventricular septum
Itsuki Kobayashi, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.) US2017-60
It is known that ischemia occurred in the cardiac muscle introduces abnormality in the contraction function of the myoca... [more] US2017-60
US 2015-10-09
Ishikawa Kanazawa Institute of Technology Improvement of spatial resolution in high frame rate ultrasonic imaging using plane waves -- Comparison with focused beams --
Hideyuki Hasegawa (Univ. Toyama), Hiroshi Kanai (Tohoku Univ.) US2015-61
 [more] US2015-61
US 2014-09-29
Yamagata Yamagata Univ. Yonezawa Campus Visualization of Pulse Wave Propagation in Human Carotid Artery Using High Frame Rate Ultrasound
Hideyuki Hasegawa, Hiroshi Kanai (Tohoku Univ.) US2014-45
Measurement of the elastic property of the arterial wall is useful for the diagnosis of atherosclerosis because the elas... [more] US2014-45
US 2013-09-12
Miyagi Tohoku University Comparison of spatial resolutions of parallel beamforming and diffraction tomography in high frame rate ultrasonic imaging
Hideyuki Hasegawa, Hiroshi Kanai (Tohoku Univ.) US2013-40
Echocardiography is a predominant modality for diagnosis of the heart by non-invasive and real-time observation of cross... [more] US2013-40
US 2013-07-30
Fukuoka Chikushi Campus, Kyushu University Spatiotemporal Dynamics of Propagating Excitable Nonlinear Waves in Human Interventricular Septum -- Transition from Convective to Absolute Instability --
Yoshifumi Harada (Fukui Univ.), Hiroshi Kanai (Tohoku Univ.) US2013-33
Already we have previously shown that pulsive vibration occurs on the myocardium after electrical stimulation of an isol... [more] US2013-33
US 2013-07-30
Fukuoka Chikushi Campus, Kyushu University Vector Visualization of Nonlinear Excited Waves on Human Cardiac Interventricular Septum (IVS) Wall -- The Propagating Cardiac Dark Soliton on IVS --
Yoshifumi Harada (Fukui Univ.), Hiroshi Kanai (Tohoku Univ.) US2013-34
Recently we have already observed some phase singularity in traveling excited waves noninvasively measured by novel high... [more] US2013-34
US 2012-09-24
Akita Tegata Campus, Akita Univ. Automated Detection of Intima-Media Complex Boundaries of Longitudinal Section of Carotid Artery by Fitting Echo Model Composed of Multiple Ultrasonic Pulses to Measured Signal
Nabilah Ibrahim, Hideyuki Hasegawa, Hiroshi Kanai (Tohoku Univ.) US2012-59
 [more] US2012-59
US 2012-07-27
Kyoto KEM Nonlinear Wave Propagation on Cardiac Tissue -- Detection of BN Hole Creation due to Lamb Wave Schock --
Yoshifumi Harada (Fukui Univ.), Noriaki Inoue, Takashi Okada, Akimitsu Harada, Yoshihiro Yoshikawa (Hitachi Aloka), Naoaki Bekki (Nihon Univ.), Hiroshi Kanai (Tohoku Univ.) US2012-27

We have applied the vector field phase gradient mapping method(VFPGM) by using this novel method to health... [more]
US 2012-07-27
Kyoto KEM Propagation of the Spatiotemporal Dynamics in Nonlinear Waves on Interventricular Septum Wall
Yoshifumi Harada (Fukui Univ.), Noriaki Inoue, Takashi Okada, Akimitsu Harada, Yoshihiro Yoshikawa (Hitachi Aroka Medical), Naoaki Bekki (Nihon Univ.), Hiroshi Kanai (Tohoku Univ.) US2012-28
It is now widely well accepted that most of the heart is made up of contractile muscle cells, also known as myocytes or,... [more] US2012-28
US 2012-06-21
Tokyo IIS, Univ. of Tokyo Modeling of Ultrasonic Echo from Posterior Arterial Wall for Accurate in-vivo Detection of Intima-media Complex Boundaries
Nabilah Ibrahim, Hideyuki Hasegawa, Hiroshi Kanai (Tohoku Univ.) US2012-16
 [more] US2012-16
US 2012-04-25
Tokyo Nihon Univ. Measurement of Shear Wave Propagation Inside Biological Tissue Generated by Dual Acoustic Radiation Force
Kaori Tachi, Jun Yamaguchi, Hideyuki Hasegawa, Hiroshi Kanai (Tohoku Univ.) US2012-4
It is important to diagnose conditions of muscle and tendon. However, quantitative and noninvasive diagnosis methods hav... [more] US2012-4
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