年別の研究成果
年別の研究成果
- 45 件
検索結果
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2025
Dilated dendritic learning of global–local feature representation for medical image segmentation
Liu, Z., Song, Y., Yi, J., Zhang, Z., Omura, M., Lei, Z. & Gao, S., 2025/03/10, In: Expert Systems with Applications. 264, 125874.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access -
Dual-frequency excitation in high-frame-rate ultrasonic backscatter coefficient analysis of hemorheological properties
Omura, M., Yagi, K., Nagaoka, R., Yoshida, K., Yamaguchi, T. & Hasegawa, H., 2025/05, In: Ultrasonics. 149, 107589.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access -
Genes involved in osteogenic differentiation induced by low-intensity pulsed ultrasound in goldfish scales
Tabuchi, Y., Kuroda, K., Furusawa, Y., Hirano, T., Nagaoka, R., Omura, M., Hasegawa, H., Hirayama, J. & Suzuki, N., 2025/02, In: Biomedical Reports. 22, 2, 18.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access -
2024
Detection of Individual Microbubbles by Burst-Wave-Aided Contrast-Enhanced Active Doppler Ultrasonography
Yoshida, K., Omura, M., Tamura, K., Hirata, S. & Yamaguchi, T., 2024/03/01, In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 71, 3, p. 380-394 15 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
1 被引用数 (Scopus) -
Effects of beam steering angle and excitation frequency on blood flow imaging with plane wave imaging
Maru, T., Omura, M., Nagaoka, R., Saito, K. & Hasegawa, H., 2024/04/01, In: Japanese Journal of Applied Physics. 63, 4, 04SP34.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access2 被引用数 (Scopus) -
Investigation of a method to estimate the average speed of sound using phase variances of element signals for ultrasound compound imaging
Nagaoka, R., Omura, M. & Hasegawa, H., 2024/01, In: Journal of Medical Ultrasonics. 51, 1, p. 17-28 12 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access -
Investigation on vector Doppler method for carotid artery wall with focused transmit beams produced from a cross-shaped probe
Yano, T., Fujisawa, H., Omura, M., Nagaoka, R., Saito, K. & Hasegawa, H., 2024/04/01, In: Japanese Journal of Applied Physics. 63, 4, 04SP33.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access -
Robust adversarial learning model to segment non-speckle regions in blood flow echo
Mori, Y., Omura, M., Suzuki, S., Nagaoka, R., Gao, S., Yagi, K. & Hasegawa, H., 2024/04/01, In: Japanese Journal of Applied Physics. 63, 4, 04SP60.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
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2023
Beamspace-domain learning of minimum variance beamformer with fully convolutional network
Hiki, R., Mozumi, M., Omura, M., Nagaoka, R. & Hasegawa, H., 2023/07/01, In: Japanese Journal of Applied Physics. 62, SJ, SJ1050.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access1 被引用数 (Scopus) -
Contrast analysis in ultrafast ultrasound blood flow imaging of jugular vein
Omura, M., Yagi, K., Nagaoka, R. & Hasegawa, H., 2023/04, In: Journal of Medical Ultrasonics. 50, 2, p. 131-141 11 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access8 被引用数 (Scopus) -
Effect of Clutter Filter in High-Frame-Rate Ultrasonic Backscatter Coefficient Analysis
Omura, M., Yagi, K., Nagaoka, R., Yoshida, K., Yamaguchi, T. & Hasegawa, H., 2023/03, In: Sensors. 23, 5, 2639.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access3 被引用数 (Scopus) -
Effects from imaging parameters of sub-aperture averaging in minimum variance adaptive beamforming using outputs of delay-and-sum beamformer
Nagaoka, R., Omura, M. & Hasegawa, H., 2023/07/01, In: Japanese Journal of Applied Physics. 62, SJ8007.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access -
Investigation on synthetic aperture imaging using focused transmit beams for cardiac ultrasonography
Sugioka, K., Mozumi, M., Omura, M., Nagaoka, R. & Hasegawa, H., 2023/07/01, In: Japanese Journal of Applied Physics. 62, SJ, SJ1048.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access2 被引用数 (Scopus) -
Nakagami parametric image for evaluation of the degree of thermal denaturation inside porcine liver induced ex vivo by radiofrequency ablation
Takeuchi, M., Sakai, T., Oshima, Y., Kojima, Y., Mori, K., Omura, M., Nagaoka, R. & Hasegawa, H., 2023/07/01, In: Japanese Journal of Applied Physics. 62, SJ, SJ1018.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access3 被引用数 (Scopus) -
Preliminary study on modeling blood flow velocity profile for ultrasonic measurement of wall shear stress
Mozumi, M., Omura, M., Nagaoka, R., Saito, K. & Hasegawa, H., 2023/07/01, In: Japanese Journal of Applied Physics. 62, SJ, SJ1053.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access6 被引用数 (Scopus) -
Pseudo-Doppler effect at a disappearance of a single microbubble translating owing to acoustic radiation force
Yoshida, K., Omura, M., Hirata, S. & Yamaguchi, T., 2023/07/01, In: Japanese Journal of Applied Physics. 62, SJ, SJ8009.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access3 被引用数 (Scopus) -
Ultrasonic envelope statistical analysis in motion compensated images during temperature change
Omura, M., Takeuchi, M., Nagaoka, R. & Hasegawa, H., 2023/07/01, In: Japanese Journal of Applied Physics. 62, SJ1036.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
1 被引用数 (Scopus) -
2022
Backscatter properties of two-layer phantoms using a high-frequency ultrasound annular array
Saito, W., Omura, M., Ketterling, J. A., Hirata, S., Yoshida, K. & Yamaguchi, T., 2022/07/01, In: Japanese Journal of Applied Physics. 61, SG, SG1049.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access8 被引用数 (Scopus) -
Characterization of blood mimicking fluid with ultrafast ultrasonic and optical image velocimeters
Omura, M., Nagaoka, R., Yagi, K., Yoshida, K., Yamaguchi, T. & Hasegawa, H., 2022/07/01, In: Japanese Journal of Applied Physics. 61, SG, SG1067.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access11 被引用数 (Scopus) -
Investigation on application of singular value decomposition filter in element domain for extraction of ultrasonic echoes from blood cells in jugular veins
Nagaoka, R., Omura, M., Mozumi, M., Yagi, K. & Hasegawa, H., 2022/07, In: Japanese Journal of Applied Physics. 61, SG, SG1011.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
5 被引用数 (Scopus) -
Investigation on effect of transmit condition on ultrasonic measurement of 2D motion velocity
Yano, T., Mozumi, M., Omura, M., Nagaoka, R. & Hasegawa, H., 2022/07/01, In: Japanese Journal of Applied Physics. 61, SG, SG1053.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access3 被引用数 (Scopus) -
Investigation on improving performance of adaptive beamformer by statistical analysis of ultrasonic echoes
Akamatsu, T., Mozumi, M., Omura, M., Nagaoka, R. & Hasegawa, H., 2022/07/01, In: Japanese Journal of Applied Physics. 61, SG, SG1040.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access4 被引用数 (Scopus) -
In Vivo Quantitative Ultrasound on Dermis and Hypodermis for Classifying Lymphedema Severity in Humans
Omura, M., Saito, W., Akita, S., Yoshida, K. & Yamaguchi, T., 2022/04, In: Ultrasound in Medicine and Biology. 48, 4, p. 646-662 17 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access6 被引用数 (Scopus) -
On the Investigation of Autocorrelation-Based Vector Doppler Method With Plane Wave Imaging
Hasegawa, H., Omura, M. & Nagaoka, R., 2022/04/01, In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 69, 4, p. 1301-1311 11 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
14 被引用数 (Scopus) -
Preliminary study on estimation of flow velocity vectors using focused transmit beams
Hasegawa, H., Mozumi, M., Omura, M., Nagaoka, R. & Saito, K., 2022/07, In: Japanese Journal of Applied Physics. 61, SG, SG1026.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
10 被引用数 (Scopus) -
Size-dependent translational velocity of phospholipid-coated bubbles driven by acoustic radiation force
Yoshida, K., Kaneko, C., Omura, M., Hirata, S. & Yamaguchi, T., 2022/07, In: Japanese Journal of Applied Physics. 61, SG, SG1018.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access3 被引用数 (Scopus) -
Two-Dimensional Wavenumber Analysis Implemented in Ultrasonic Vector Doppler Method with Focused Transmit Beams
Hasegawa, H., Omura, M., Nagaoka, R. & Saito, K., 2022/12, In: Sensors. 22, 24, 9787.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access2 被引用数 (Scopus) -
2021
A study on understanding the physical mechanism of change in ultrasonic envelope statistical property during temperature elevation
Omura, M., Takeuchi, M., Nagaoka, R. & Hasegawa, H., 2021/06, In: Medical Physics. 48, 6, p. 3042-3054 13 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
5 被引用数 (Scopus) -
Evaluation of accuracy of phase-sensitive method in estimation of axial motion and deformation with fluid-structure interaction analysis
Ishikawa, K., Mozumi, M., Omura, M., Nagaoka, R. & Hasegawa, H., 2021/07, In: Japanese Journal of Applied Physics. 60, SD, SDDE01.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
4 被引用数 (Scopus) -
Impact of spacing of ultrasound receiving beams on estimation of 2D motion velocity
Mozumi, M., Omura, M., Nagaoka, R., Cinthio, M. & Hasegawa, H., 2021/07, In: Japanese Journal of Applied Physics. 60, SD, SDDE07.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
8 被引用数 (Scopus) -
Improvement of spatial resolution of medical ultrasound images by constrained least-square method
Hasegawa, H., Mozumi, M., Omura, M. & Nagaoka, R., 2021/07, In: Japanese Journal of Applied Physics. 60, SDDE16.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
2 被引用数 (Scopus) -
Investigation of feasibility of singular value decomposition clutter filter in plane wave imaging with packet transmission sequence
Hasegawa, H., Nagaoka, R., Omura, M., Mozumi, M. & Saito, K., 2021/01, In: Journal of Medical Ultrasonics. 48, 1, p. 13-20 8 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
17 被引用数 (Scopus) -
Measurement of flow velocity vectors in carotid artery using plane wave imaging with repeated transmit sequence
Hasegawa, H., Mozumi, M., Omura, M., Nagaoka, R. & Saito, K., 2021/10, In: Journal of Medical Ultrasonics. 48, 4, p. 417-427 11 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
9 被引用数 (Scopus) -
Noninvasive, objective evaluation of lower extremity lymphedema severity using shear wave elastography: A preliminary study
Akita, S., Yoshida, K., Omura, M., Yamaji, Y., Tezuka, T., Tokumoto, H., Azuma, K., Ikehara, Y., Yamaguchi, T. & Mitsukawa, N., 2021/12, In: Journal of Plastic, Reconstructive and Aesthetic Surgery. 74, 12, p. 3377-3385 9 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
9 被引用数 (Scopus) -
Preliminary investigation on clutter filtering based on deep learning
Wang, H., Gao, S., Mozumi, M., Omura, M., Nagaoka, R. & Hasegawa, H., 2021/07, In: Japanese Journal of Applied Physics. 60, SDDE21.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
3 被引用数 (Scopus) -
Stability of backscattering coefficient evaluation with clinical ultrasound scanner in homogeneous medium when sound field characteristics differ from reference signal
Oguri, T., Omura, M., Saito, W., Yoshida, K. & Yamaguchi, T., 2021/07, In: Japanese Journal of Applied Physics. 60, SDDE24.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
10 被引用数 (Scopus) -
Statistical Analysis of Ultrasonic Scattered Echoes Enables the Non-invasive Measurement of Temperature Elevations inside Tumor Tissue during Oncological Hyperthermia
Takeuchi, M., Sakai, T., Andocs, G., Takanaka, T., Taka, M., Yamashita, K., Kawahara, M., Nojiri, T., Tanaka, A., Norishima, A., Omoto, Y., Omura, M., Nagaoka, R., Takao, K. & Hasegawa, H., 2021/11, In: Ultrasound in Medicine and Biology. 47, 11, p. 3301-3309 9 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access8 被引用数 (Scopus) -
2020
Comparable analysis of bubble translation due to acoustic radiation force based on simultaneous acoustical and optical observation
Yoshida, K., Saito, K., Omura, M. & Yamaguchi, T., 2020/07/01, In: Japanese Journal of Applied Physics. 59, SKKE07.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
7 被引用数 (Scopus) -
Frequency dependence of attenuation and backscatter coefficient of ex vivo human lymphedema dermis
Omura, M., Yoshida, K., Akita, S. & Yamaguchi, T., 2020/01/01, In: Journal of Medical Ultrasonics. 47, 1, p. 25-34 10 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
10 被引用数 (Scopus) -
High-frequency ultrasonic backscatter coefficient analysis considering microscopic acoustic and histopathological properties of lymphedema dermis
Omura, M., Yoshida, K., Akita, S. & Yamaguchi, T., 2020/07/01, In: Japanese Journal of Applied Physics. 59, SKKE15.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access11 被引用数 (Scopus) -
Validation of differences in backscatter coefficients among four ultrasound scanners with different beamforming methods
Omura, M., Hasegawa, H., Nagaoka, R., Yoshida, K. & Yamaguchi, T., 2020/01/01, In: Journal of Medical Ultrasonics. 47, 1, p. 35-46 12 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
11 被引用数 (Scopus) -
2019
Cerebellar folding is initiated by mechanical constraints on a fluid-like layer without a cellular pre-pattern
Lawton, A. K., Engstrom, T., Rohrbach, D., Omura, M., Turnbull, D. H., Mamou, J., Zhang, T., Schwarz, J. M. & Joyner, A. L., 2019/04, In: eLife. 8, e45019.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
Open Access24 被引用数 (Scopus) -
Ultrasound assessment of translation of microbubbles driven by acoustic radiation force in a channel filled with stationary fluid
Yoshida, K., Saito, K., Omura, M., Tamura, K. & Yamaguchi, T., 2019/10/01, In: Journal of the Acoustical Society of America. 146, 4, p. 2335-2349 15 p.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
8 被引用数 (Scopus) -
2018
Verification of echo amplitude envelope analysis method in skin tissues for quantitative follow-up of healing ulcers
Omura, M., Yoshida, K., Akita, S. & Yamaguchi, T., 2018/07, In: Japanese Journal of Applied Physics. 57, 7, 07LF15.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
36 被引用数 (Scopus) -
2016
Tissue characterization of skin ulcer for bacterial infection by multiple statistical analysis of echo amplitude envelope
Omura, M., Yoshida, K., Kohta, M., Kubo, T., Ishiguro, T., Kobayashi, K., Hozumi, N. & Yamaguchi, T., 2016/07, In: Japanese Journal of Applied Physics. 55, 7, 07KF14.研究成果: ジャーナルへの寄稿 › 学術論文 › 査読
25 被引用数 (Scopus)