Image quality improvement in single plane-wave imaging using deep learning
Kanta Miura , Hiromi Shidara , Takuro Ishii , Koichi Ito , Takafumi Aoki , Yoshifumi Saijo , Jun Ohmiya
Ultrasonics
2025/01/01
Trends and developments in 3D photoacoustic imaging systems: a review of recent progress
Fikhri Astina Tasmara, Mitrayana Mitrayana, Andreas Setiawan, Takuro Ishii, Yoshifumi Saijo, Rini Widyaningrum
Medical Engineering and Physics
2024/11/28
Image quality improvement in single plane-wave imaging using deep learning
Kanta Miura, Hiromi Shidara, Takuro Ishii, Koichi Ito, Takafumi Aoki, Yoshifumi Saijo, Jun Ohmiya
Ultrasonics, 145, 107479, 2025.
2024/10/03
Matrix stiffness regulates the triad communication of adipocytes/macrophages/endothelial cells through CXCL13
Arthur Choisez, Seiichiro Ishihara, Takuro Ishii, Yidan Xu, Sepideh D. Firouzjah, Hisashi Haga, Ryoichi Nagatomi, and Joji Kusuyama
Journal of Lipid Research, 65(9), 100620, 2024.
2024/09/03
Singular value decomposition with weighting matrix applied for optical-resolution photoacoustic microscopes
I Gede Eka Sulistyawana, Daisuke Nishimaea, Takuro Ishiia, Yoshifumi Saijo
Ultrasonics, 143, 107424, 2024.
2024/09/03
Testbed mimicking intracellular environment for optical-resolution photoacoustic microscopy
Daisuke Nishimae, Takuro Ishii, Koetsu Ogasawara, Yoshifumi Saijo
Japanese Journal of Applied Physics, 63, 04SP63, 2024.
2024/03/25
Effects of diameter of optical absorber visualized by an annular array AR-PAM system on spectrum characteristics of photoacoustic signals
Riku Suzuki, I Gede Eka Sulistyawan, Takuro Ishii and Yoshifumi Saijo
Japanese Journal of Applied Physics, 63, 05SP57, 2024.
2024/03/21
Transrectal ultrasound vector projectile imaging for time-resolved visualization of flow dynamics in the male urethra: A clinical pilot study
Takuro Ishii, Tomonori Yamanishi, Tomohiko Kamasako, Chiharu Shibata, Miki Fuse, Mayuko Kaga, Kanya Kaga, Hassan Nahas, Billy Y. S. Yiu, Alfred C. H. Yu, Yoshifumi Saijo
Medical Physics, 51, 428-438, 2024.
2023/11/20
Superficial Bifurcated Microflow Phantom for High-Frequency Ultrasound Applications
Anam Bhatti, Takuro Ishii, Yoshifumi Saijo
Ultrasound in Medicine & Biology, 50(1), 158-164, 2023
2023/10/22
A GPU-Based, Real-Time Dealiasing Framework for High-Frame-Rate Vector Doppler Imaging
Hassan Nahas; Takuro Ishii, Billy Y. S. Yiu, Alfred C. H. Yu
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 70(11), 1384-1400, 2023.
2023/08/05
Ultrasound vector flow imaging during veno-arterial extracorporeal membrane oxygenation in a thoracic aorta model
Kenichiro Yambe, Takuro Ishii, Billy Y.S. Yiu, Alfred C.H. Yu, Tomoyuki Endo, Yoshifumi Saijo
Journal of Artificial Organs, 27, 230-237, 2023
2023/07/20
Utilization of Curvelet Transform in Reconstructing Cellular Images for Undersampled Optical-resolution Photoacoustic Microscopy
I Gede Eka Sulistyawan, Daisuke Nishimae, Takuro Ishii, Yoshifumi Saijo
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 70(12), 1631-1641, 2023.
2023/04/29
Evaluation of temperature-dependent fluctuations in skin microcirculation flow using a light-emitting diode based photoacoustic imaging device
Yosuke Ito, Takuro Ishii, Shin Yamazaki, Akiko Yoshida, Kei Nagaya, Yoshifumi Saijo
Journal of Clinical Monitoring and Computing, 37, 1361-67, 2023.
2023/04/24
Ultrasound flow phantom for transcranial Doppler: An assessment of angular mismatch effect on blood velocity measurement in comparison to optical particle image velocimetry
Muhammad Shiddiq Sayyid Hashuro, Kotaro Daibo, Takuro Ishii, Yoshifumi Saijo, Makoto Ohta
Frontiers in Physics, 11, 1134588, 2023.
2023/04/06
A Study on Correction Method of Total Acoustic Power in Presence of Shielding in Focused Ultrasound Treatment Using Acoustic Radiation Force Imaging
Numahata E, Yoshizawa S, Umemura S, Ishii T, Saijo Y
Japanese Journal of Applied Physics, 62, SJ1044, 2023.
2023/03/22
Robust flow vector estimation for echocardiography with extended Nyquist velocity using dual-PRF approach: A flow phantom study
Okada Y, Kanno N, Bhatti A, Ishii T, Saijo Y
Japanese Journal of Applied Physics, 62, SJ1033, 2023.
2023/02/21
Development of ultrasound phantom made of transparent material: Feasibility of optical particle image velocimetry
Hashuro MSS, Tupin S, Kurnia Putra NK, Daibo K, Inoue K, Ishii T, Kosukegawa H, Funamoto K, Hayase T, Ohta M
Ultrasound in Medicine and Biology, 49(6), 1385-94, 2023.
2023/01/25
Region-based SVD Processing of High-frequency Ultrafast Ultrasound to Visualize Cutaneous Vascular Networks
Bhatti A, Ishii T, Kanno N, Ikeda H, Funamoto K, Saijo Y
Ultrasonics, 129, 106907, 2023.
2022/12/01
High-speed optical resolution photoacoustic microscopy with MEMS scanner using a novel and simple distortion correction method.
Shintate R, Ishii T, Ahn J, Kim JY, Kim C, Saijo Y
Scientific Reports, 12(1), 9221, 2022.
2022/06/08
Color Doppler shear wave elastography using commercial ultrasound machine with compensated transducer scanning delay
Hermawan N, Ishii T, Saijo Y
Journal of Medical Ultrasonics, 49, 163-173, 2022.
2022/02/28
3D Ultrasound Imaging by Synthetic Transmit Aperture Beamforming using a Spherically Curved Array Transducer
Eiki Hayashi, Naoya Kanno, Ryo Shintate, Takuro Ishii, Ryo Nagaoka, Yoshifumi Saijo
Japanese Journal of Applied Physics, 61, SG1034, 2022.
2022/02/02
Comparative Investigation of Coherence Factor Weighting Methods for an Annular Array Photoacoustic Microscope
Suzuki R, Shintate R, Ishii T, Saijo Y
Japanese Journal of Applied Physics, 61, SG1047, 2021.
2021/12/27
Helical Toroid Phantom for 3-D Flow Imaging Investigations
Chee AJY, Ishii T, Yiu BYS, Yu ACH
Physics in Medicine and Biology, 66, 045029, 2021
2021/01/12
A Deep Learning Approach to Resolve Aliasing Artifacts in Ultrasound Color Flow Imaging
Nahas H, Au J, Ishii T, Yiu BYS, Chee AJY, Yu ACH
IEEE Trans Ultrason Ferroelectr Freq Control, 67(12), 2615-2628, 2020.
2020/06/10
Contrast-Enhanced Urodynamic Vector Projectile Imaging (CE-UroVPI) for Urethral Voiding Visualization: Principles and Phantom Studies
Ishii T, Nahas H, Yiu BYS, Chee AJY, Yu ACH
Urology, 140, 171-177, 2020
2020/03/18
Deformable Phantoms of the Prostatic Urinary Tract for Urodynamic Investigations
Ishii T, Ho CK, Nahas H, Yiu BYS, Chee AJY, Yu ACH
Medical Physics, 46(7), 3034 - 3043, 2019
2019/05/03
A comparative study of the acute and long-term prognosis for mouse models undergoing laparoscopic surgery under continuous intra-abdominal perfusion with either CO2 gas or saline
Jin H, Ishii T, Isono S, Igarashi T, Aoe T
Cogent Medicine, 5(1), 1510358, 2018
2018/08/24
多発性嚢胞腎の嚢胞形態特徴解析に向けた三次元骨格線抽出処理法の構築
松永 佳久, 石井 琢郎, 五十嵐 辰男
Medical Imaging Technology, 36(5), 231-237, 2018.
2018/06/06
Vector Flow Visualization of Urinary Flow Dynamics in a Bladder Outlet Obstruction Model
Ishii T, Yiu BYS, Yu ACH
Ultrasound in Medicine and Biology, 43(11), 2601-2610, 2017.
2017/08/19
Skeletonization of Renal Cysts of Autosomal Dominant Polycystic Kidney Disease Using Magnetic Resonance Imaging
Teranaka S, Ishii T, Matsunaga Y, Koyama A, Kamura K, Sakamoto S, Ichikawa T, Igarashi T
Journal of Medical Imaging and Health Informatics, 7(3), 568-573, 2017.
2017/06/01
Physiological and Biochemical Responses to Continuous Saline Irrigation Inside the Abdominal Cavity in Anesthetized Pigs
Ishii T, Igarashi T, Naya Y, Aoe T, Isono S
Journal of Laparoendoscopic & Advanced Surgical Techniques, 26(8), 600-605, 2016.
2016/08/01
平面と立体を可逆的に変化する構造を利用した水中腹腔鏡手術用スペーサ の試作
佐野 麻理恵, 鈴木 啓介, 角江 崇, 石井 琢郎, 五十嵐 辰男, 土井 俊祐, 藤田 伸輔, 中山 弘敬, 下馬場 朋禄, 伊藤 智義
生体医工学, 54(2), 76 - 80, 2016.
2016/04/10
Small-Incision Laparoscopy-Assisted Surgery Under Abdominal Cavity Irrigation in a Porcine Model
Igarashi T, Ishii T, Aoe T, Yu WW, Ebihara Y, Kawahira H, Isono S, Naya Y
Journal of Laparoendoscopic & Advanced Surgical Techniques, 26(2), 122-128, 2016.
2016/02/01
Therapeutic designing for urethral obstruction by virtual urethra and flow dynamics simulation
Ishii T, Nakamura K, Naya Y, Igarashi T
Minimally Invasive Therapy & Allied Technologies, 24(3), 141-147, 2015.
2015/06/01
Urine Flow Dynamics Through the Urethra in Patients with Bladder Outlet Obstruction
Ishii T, Naya Y, Yamanishi T, Igarashi T
Journal of Mechanics in Medicine and Biology, 14(4), 1450052, 2014.
2014/08/01
Urine Flow Dynamics Through Prostatic Urethra With Tubular Organ Modeling Using Endoscopic Imagery
Ishii T, Kambara Y, Yamanishi T, Naya Y, Igarashi T
IEEE Journal of Translational Engineering in Health and Medicine, 2(1), 1800709, 2014.
2014/02/01
人工腹水灌流下ミニマム創内視鏡下手術支援装置の開発
寺沼政幸, 石田稔, 石井琢郎, 納谷幸男, 五十嵐辰男
日本ミニマム創泌尿器内視鏡外科学会雑誌, 5(1), 79 - 82, 2013.
2013/07/01
Water-filled Laparo-Endoscopic Surgery (WAFLES): A New Surgical System Performed Under Irrigation of Isotonic Water
Igarashi T, Teranuma M, Ishii T
Journal of Medical Imaging and Health Informatics, 3(1), 59 - 64, 2013.
2013/03/01
Extraction of Vibration of the Female Bladder Outlet using Cystourethroscopic Image under Intermittent Irrigation
Sentanu RG, Horiuchi K, Ishii T, Igarashi T
Journal of Medical Imaging and Health Informatics, 3(1), 79 - 83, 2013.
2013/03/01
Analysis of Energy Loss Mediated by an Alpha-1 Blocker in Patients with Benign Prostatic Hyperplasia Using a Virtual Urethra Processed from an Endoscopic Video Image
Sazuka T, Kambara Y, Ishii T, Nakamura Y, Sakamoto S, Naya Y, Yamanishi T, Ichikawa T, Igarashi T
Journal of Endourology, 26(9), 1216-1220, 2012.
2012/09/01
Novel Points of View for Endoscopy: Panoramized Intraluminal Opened Image and 3D Shape Reconstruction
Ishii T, Zenbutsu S, Nakaguchi T, Sekine M, Naya Y, Igarashi T
Journal of Medical Imaging and Health Informatics, 1(1), 13-20, 2011.
2011/03/01
工学の医療への応用―千葉大学フロンティアメディカル工学研究開発センターでの試み
納谷幸男, 石井琢郎, 前佛聡樹, 荒木千裕, 五十嵐辰男
帝京医学雑誌, 33(5), 249 - 254, 2010.
2010/09/25
Assessment of Voiding Function by Endoscopic Imaging – A Preliminary Report
Igarashi T, Zenbutsu S, Naya Y, Ishii T, Yu WW, Yamanishi T
Journal of Mechanics in Medicine and Biology, 9(4), 609-620, 2009.
2009/12/01
NIRS計測による脳血流パターンを指標とした音楽のリラクゼーション効果の評価
下茂 円, 菅生 恵子, 揚原 祥子, 杉田 克生, 石井 琢郎, 岩坂 正和
千葉大学教育学部研究紀要, 56, 343-348, 2008.
2008/03/01