Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Tomoko Gyobu"'
Autor:
Naoki Okada, Yutaka Umemura, Shoi Shi, Shusuke Inoue, Shun Honda, Yohsuke Matsuzawa, Yuichiro Hirano, Ayano Kikuyama, Miho Yamakawa, Tomoko Gyobu, Naohiro Hosomi, Kensuke Minami, Natsushiro Morita, Atsushi Watanabe, Hiroyuki Yamasaki, Kiyomitsu Fukaguchi, Hiroki Maeyama, Kaori Ito, Ken Okamoto, Kouhei Harano, Naohito Meguro, Ryo Unita, Shinichi Koshiba, Takuro Endo, Tomonori Yamamoto, Tomoya Yamashita, Toshikazu Shinba, Satoshi Fujimi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract Numerous COVID-19 diagnostic imaging Artificial Intelligence (AI) studies exist. However, none of their models were of potential clinical use, primarily owing to methodological defects and the lack of implementation considerations for infere
Externí odkaz:
https://doaj.org/article/3a9763ca04cb4d99b957cda61fb9b90d
Autor:
Tomoko Gyobu, Osamu Honda, Yasushi Hirano, Xinchen Ye, Rui Xu, Noriyuki Tomiyama, Shoji Kido, Yutaka Kawata, Cong Zhen
Publikováno v:
IEEE Journal of Biomedical and Health Informatics. 24:2041-2052
Precise classification of pulmonary textures is crucial to develop a computer aided diagnosis (CAD) system of diffuse lung diseases (DLDs). Although deep learning techniques have been applied to this task, the classification performance is not satisf
Publikováno v:
European Radiology. 26:4457-4464
To assess image quality of filtered back-projection (FBP) and model-based iterative reconstruction (MBIR) with a conventional setting and a new lung-specific setting on submillisievert CT. A lung phantom with artificial nodules was scanned with 10 mA
Autor:
Kiminori Fujimoto, Hiroyuki Taniguchi, Osamu Honda, Noriyuki Tomiyama, Kazuya Ichikado, Junya Fukuoka, Tomas V. Colby, Yasuhiro Kondoh, Hiromitsu Sumikawa, Hiroaki Arakawa, Takashi Ogura, Masahiro Yanagawa, Takeshi Johkoh, Tomohisa Baba, Kensuke Kataoka, Tomoko Gyobu
Publikováno v:
Radiology. 272:549-556
To assess the variability of computed tomography (CT) patterns in patients with pathologic nonspecific interstitial pneumonia (NSIP) and to evaluate correlation of CT patterns with new idiopathic pulmonary fibrosis (IPF) classification guidelines, in
Autor:
Osamu Honda, Takashi Ueguchi, Ken Ueda, Noriyuki Tomiyama, Yukihisa Satoh, Misa Kawai, Masahiro Yanagawa, Hiromitsu Sumikawa, Tomoko Gyobu
Publikováno v:
European Journal of Radiology. 83:1016-1021
Purpose To evaluate the intracystic MRI (magnetic resonance imaging) signal intensity of mediastinal cystic masses on T2-weighted images. Materials and methods A phantom study was performed to evaluate the signal intensity of a mediastinal cystic mas
Autor:
Misa Kawai, Ann N. Leung, Osamu Honda, Masahiro Yanagawa, Hiromitsu Sumikawa, Yutaka Kawata, Tomoko Gyobu, Noriyuki Tomiyama
Publikováno v:
Academic Radiology. 21:695-703
Rationale and Objectives To compare quality of ultra-low-dose thin-section computed tomography (CT) images of the lung reconstructed using model-based iterative reconstruction (MBIR) and adaptive statistical iterative reconstruction (ASIR) to filtere
Autor:
Ayano Kikuyama, Osamu Honda, Yutaka Kawata, Mitsuhiro Koyama, Masahiro Yanagawa, Hiromitsu Sumikawa, Noriyuki Tomiyama, Tomoko Gyobu, Hiromu Miki
Publikováno v:
Journal of Computer Assisted Tomography. 37:707-711
OBJECTIVES This study aimed to evaluate whether dual-energy computed tomography can reduce metal artifacts and improve detection of pulmonary nodules. METHODS Twelve simulated nodules were randomly placed inside a chest phantom with a pacemaker. Then
Autor:
Osamu Honda, Ken Ueda, Masahiro Yanagawa, Eiichi Morii, Akinori Hata, Tomoko Gyobu, Noriyuki Tomiyama, Maki Fujiwara
Publikováno v:
European journal of radiology. 85(8)
Objectives To compare iodine content (IC) of solitary lung cancer using dynamic measurements of CT attenuation (Hounsfield Units, HU) and to correlate their quantitative CT data with expressions of vascular endothelial growth factor (VEGF), epidermal
Autor:
Mitsuhiro Koyama, Tomoko Gyobu, Masahiro Yanagawa, Osamu Honda, Noriyuki Tomiyama, Ayano Kikuyama, Hiromitsu Sumikawa
Publikováno v:
European Journal of Radiology. 81:2877-2886
To evaluate the effects of ASIR on CAD system of pulmonary nodules using clinical routine-dose CT and lower-dose CT.Thirty-five patients (body mass index, 22.17 ± 4.37 kg/m(2)) were scanned by multidetector-row CT with tube currents (clinical routin
Autor:
Toru Kanazawa, Misa Kawai, Osamu Honda, Masahiro Yanagawa, Yukihisa Satoh, Noriyuki Tomiyama, Hiromitsu Sumikawa, Ken Ueda, Tomoko Gyobu, Shojiro Hidaka
Publikováno v:
European journal of radiology. 84(6)
Purpose To evaluate the prevalence rates and the correlations of thoracic computed tomography (CT) findings of neurofibromatosis 1 (NF1) in 88 patients. Materials and methods Chest CT images of 88 NF1 patients were independently reviewed by three obs