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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 33  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
US 2022-08-22
16:30
Tokyo Tokyo Tech (Ookayama Campus) Evaluation of frequency dispersion of viscoelastic tissue by mechanical burst excitation shear wave elastography
Shinnosuke Hirata, Shinichiro Saito, Kaname Kurokawa, Mikio Suga, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.), Hiroyuki Hachiya (Tokyo Tech)
(To be available after the conference date) [more]
US 2022-06-30
10:55
Osaka Kansai University (Senriyama Campus) Verification to improve the accuracy of acoustic impedance evaluation at very high frequencies
Akira Hashimoto, Kenji Yoshida, Shinnosuke Hirata (Chiba Univ.), Hitoshi MAruyama (Juntendo Univ.), Tadashi Yamaguchi (Chiba Univ.) US2022-10
When using ultrahigh-frequency ultrasound with a center frequency of 250 to 300 MHz to evaluate the acoustic impedance o... [more] US2022-10
pp.5-9
US 2022-06-30
11:20
Osaka Kansai University (Senriyama Campus) Measurement of acoustic characteristics of Silicon impression material for oral ultrasonic device
Marie Tabaru, Shohei Fukuda, Kentaro Nakamura (Tokyo Tech.), Shinnosuke Hirata (Chiba Univ.), Kazuki Satomi, Kazuaki Nishimura (Tohoku Univ.) US2022-11
 [more] US2022-11
pp.10-14
US 2022-06-30
15:00
Osaka Kansai University (Senriyama Campus) Influence of transmitting/receiving sound field on accuracy of Double-Nakagami Model
Taisei Higa, Yuki Ujihara, Shinnosuke Hirata, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.) US2022-16
The Double-Nakagami Model has been proposed as a method of envelope statistics to evaluate tissue properties based on th... [more] US2022-16
pp.37-41
EA, US
(Joint)
2021-12-22
13:30
Kumamoto Sojo University [Poster Presentation] Simulation verification of amplitude envelope characteristics evaluation using multi-Rayleigh model
Yuki Ujihara (Chiba Univ.), Kazuki Tamura (Hamamatsu Univ.), Shohei Mori (Tohoku Univ.), Shinnosuke Hirata, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.) US2021-49
In previous studies, we have applied the amplitude envelope statistics analysis using the multi-Rayleigh model to clinic... [more] US2021-49
pp.11-15
EA, US
(Joint)
2021-12-22
15:50
Kumamoto Sojo University [Poster Presentation] Basic study about CNN classification of liver fibrosis stages of ultrasonic B-mode images including their amplitude-envelope statistics
Akiho Isshiki, Yuki Ujihara (Chiba Univ.), Dar-In Tai, Po-Hsiang Tsui (Chang Gung Univ.), Kenji Yoshida, Tadashi Yamaguchi, Shinnosuke Hirata (Chiba Univ.) US2021-52
The progression and therapeutic effect of diffuse liver disease can be quantitatively evaluated by the estimation of liv... [more] US2021-52
pp.26-30
EA, US
(Joint)
2021-12-22
15:50
Kumamoto Sojo University [Poster Presentation] Thin sliced sample preparation and measurement protocol that enables the stable biological speed of sound evaluation
Suguru Seto, Mai Ino, Kazuma Noguchi (Chiba Univ.), Kazuki Tamura (Hamamatsu Univ.), Shinnosuke Hirata, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.) US2021-57
Scanning acoustic microscopy (SAM) system allows acoustic characterization at the cell size level. There are two standar... [more] US2021-57
pp.51-55
US 2021-08-27
15:10
Online Online Evaluation of reflected waveform from obstacles on the road surface
Yuki Tan (Titech), Shinnosuke Hirata (Chiba Univ.), Hiroyuki hachiya (Titech) US2021-30
 [more] US2021-30
pp.14-19
US 2021-08-27
15:35
Online Online Evaluation of ultrasonic transmission and scattering characteristics of cancellous-bone mimicking cylindrical model based on FDTD method
Yun-Feng Lu, Takeshi Goda, Marie Tabaru (Tokyo Tech), Shinnosuke Hirata (Chiba Univ.) US2021-31
(To be available after the conference date) [more] US2021-31
pp.20-25
US 2021-08-27
16:00
Online Online Preliminary study on the frequency dependence of the speed of sound of > rat organs
Mai Ino, Kazuma Noguchi, Suguru Seto (Chiba Univ.), Masaaki Omura (Univ. of Toyama, Chiba Univ.), Kazuki Tamura (Hamamastu Univ. Sch. of Med.), Shinnosuke Hirata, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.) US2021-32
Many studies for quantitative ultrasound (QUS) assessment at frequency band of clinical studies (1-15 MHz) and high fre... [more] US2021-32
pp.26-30
US 2021-06-18
16:25
Online Online Basic study of discrimination evaluation of fibers and fats in organs by amplitude enveloping characteristic analysis
Yuki Ujihara (Chiba Univ.), Kazuki Tamura (Hamamatsu Med. Univ.), Shohei Mori (Tohoku Univ.), Po-Hsiang Tsui (Chang Gung Univ.), Shinnosuke Hirata, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.) US2021-15
In recent years, the quantitative evaluation of liver diseases such as NASH, in which fibrous tissue and fat droplets ar... [more] US2021-15
pp.41-44
US 2020-08-26
14:55
Online Online Analysis of fluctuations of sound reflected on sea surface using the FDTD method
Tomoya Tsukui (Tokyo Tech), Shinnosuke Hirata (Chiba Univ), Hiroyuki Hachiya (Tokyo Tech) US2020-24
Many kinds of hydro acoustic devices are used in the field of ocean development of resources and observations. These dev... [more] US2020-24
pp.21-26
US 2020-08-26
15:20
Online Online Accuracy evaluation of liver fibrosis estimation based on multi-Rayleigh model with two components considering the effect of lateral resolution
Chuang Zhang, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech.) US2020-25
We have been developing a quantitative estimation method of liver fibrosis using multi-Rayleigh model to express a proba... [more] US2020-25
pp.27-32
US 2019-06-17
16:00
Tokyo Akihabara satellite campus, Tokyo Metropolitan University Evaluation of liver fibrosis with high estimation accuracy by using moments of the probability density function of echo envelope in complex space
Chuang Zhang, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech.) US2019-24
We have been developing a quantitative estimation method of liver fibrosis using multi-Rayleigh model to express a proba... [more] US2019-24
pp.25-30
EA, US
(Joint)
2019-01-22
14:00
Kyoto Doshisha Univ. [Poster Presentation] Basic study of measurement method of broadband ultrasonic attenuation in non-contact QUS
Toshiaki Okubo, Shinnosuke Hirata, Hiroyuki Hachiya (TokyoTech) US2018-100
QUS is widely used as screenings of osteoporosis. In this study, a method of measurement of speed of sound (SOS) and bro... [more] US2018-100
pp.103-106
US 2018-08-30
13:30
Tokyo Tokyo Institute of Technology Quantitative analysis of acoustic reflection characteristics on sea surface using FDTD simulation
Tomoya Tsukui, Shinichi Sawada (IHI), Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2018-41
Many kinds of hydro acoustic devices are used in the field of ocean development of resources and observations with AUV a... [more] US2018-41
pp.1-6
US 2018-05-21
16:20
Tokyo   Consideration about evaluation method of road surface roughness by amplitude statistics of sound waves reflected from the road surface
Naoki Shinoda, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2018-17
Spatial information measurement such as road surface measurement and road obstacle detection is useful for automatic ope... [more] US2018-17
pp.35-40
US 2017-08-31
10:00
Kanagawa   Variability characteristics of sound reflection on sea surface with wave -- A result of water tank experiment --
Tomoya Tsukui, Shinichi Sawada (IHI), Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Inst. of Tech.) US2017-46
Various hydro acoustic devices are used in the field of ocean development of resources and observations with AUV and ASV... [more] US2017-46
pp.1-6
US 2017-05-22
13:55
Tokyo   Non-contact measurement of body-surface displacement by breathing and heart beat using airborne acoustic images
Taiki Hayashi, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Inst. of Tech.) US2017-15
Today, vital signs measurement systems, in which sensors are had contact with or closed to body surface, are widely prev... [more] US2017-15
pp.7-12
EA, US
(Joint)
2017-01-25
10:30
Kyoto Doshisha Univ. [Poster Presentation] Relationship of shear wave velocity and excited vibration waveform in tissue mimicking phantom
Hiroto Hasegawa, Shihei Mori, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2016-83
It is known shear modulus of fibrotic liver tissues becomes larger than that of normal tissues. Many approaches to evalu... [more] US2016-83
pp.55-60
 Results 1 - 20 of 33  /  [Next]  
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