Symposium on Ultrasonic Electronics, Paper Award,Quantitative evaluation method for liver fibrosis based on multi-Rayleigh model with estimation of;number of;tissue components in ultrasou;B-mode imagShohei Mori Shinnosuke Hirata Tadashi Yamaguchi Hiroyuki Hachiya
2018年6月
日本超音波医学会, 菊池賞(論文賞),Analysis of fluctuation for pixel-pair distance in co-occurrence matrix applied to ultrasonic images for diagnosis of liver fibrosisHiroshi Isono Shinnosuke Hirata Tadashi Yamaguchi Hiroyuki Hachiya
High-frame-rate imaging with a clutter filter can clearly visualize blood flow signals and provide more efficient discrimination with tissue signals. In vitro studies using clutter-less phantom and high-frequency ultrasound suggested a possibility...
Mai Ino   Kenji Yoshida   Shinnosuke Hirata   Kazuyo Ito   Tadashi Yamaguchi   
Journal of medical ultrasonics (2001) 49(4) 569-578 2022年10月
PURPOSE: The aim of this study was to elucidate the frequency dependence of the speed of sound (SoS) and attenuation coefficients in phantoms with controlled attenuation properties (scatterer density, scatterer size, absorption control material) a...
Japanese Journal of Applied Physics 61(SG) SG1018-SG1018 2022年7月
Abstract
This study investigates how the translational velocity of phospholipid-coated bubbles caused by acoustic radiation force depends on their size. The translations of bubbles with mean radii of 0.9–5 μm were experimentally evaluated at fiv...