Zobrazeno 1 - 10 of 563 pro vyhledávání: '"Tadashi, Sasaki"'
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Akademický článek
Super-resolution deep learning reconstruction at coronary computed tomography angiography to evaluate the coronary arteries and in-stent lumen: an initial experience
Autor: Makoto Orii, Misato Sone, Takeshi Osaki, Yuta Ueyama, Takuya Chiba, Tadashi Sasaki, Kunihiro Yoshioka
Publikováno v: BMC Medical Imaging, Vol 23, Iss 1, Pp 1-10 (2023)
Abstract A super-resolution deep learning reconstruction (SR-DLR) algorithm trained using data acquired on the ultrahigh spatial resolution computed tomography (UHRCT) has the potential to provide better image quality of coronary arteries on the whol
Externí odkaz: https://doaj.org/article/23dcf8a4126a4f8bb086b62da23bdd8f
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Investigation of a Compensation Filter for Reduction of Dark Band Artifact in the Head and Neck CT
Autor: Shota, Oouchi, Masayoshi, Kamada, Tadashi, Sasaki, Takuya, Chiba, Yoshitaka, Oota, Shun, Abe
Publikováno v: Japanese Journal of Radiological Technology. 78:1436-1444
Dark band (DB) artifact in head and neck computed tomography (CT) is caused by beam hardening (BH), and decreased CT values in the X-ray target become a problem. Therefore, we investigated whether it is possible to reduce DB artifact in the head and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d78b58f5eba83c3ad79b442f3af58f9f
https://doi.org/10.6009/jjrt.2022-1286
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4
Super-resolution deep learning reconstruction at coronary computed tomography angiography to evaluate the coronary arteries and in-stent lumen: An initial experience
Autor: Makoto Orii, Misato Sone, Takeshi Osaki, Yuta Ueyama, Takuya Chiba, Tadashi Sasaki, Kunihiro Yoshioka
The present study aimed to compare the image quality of the coronary arteries and in-stent lumen between super-resolution deep learning reconstruction (SR-DLR) and model-based iterative reconstruction (MBIR). We prospectively enrolled 50 patients (me
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1da794e0b5514d03ab4ac2f887914147
https://doi.org/10.21203/rs.3.rs-1875541/v1
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6
Helicobacter pylori Eradication Using Laser Endoscope and Methylene Blue
Autor: Susumu Nakajima, Tadashi Sasaki, Hiroshi Sato, Kouji Ogasawara
Publikováno v: LASER THERAPY. 29:19-27
Background and aims Helicobacter pylori (H. pylori) eradication has become increasingly unsuccessful due to the prevalence of antibiotic resistance. To address this global issue, a novel strategy for eradication without antibiotics must be developed.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f556adaff7e07ee5b6ba552f4a161c36
https://doi.org/10.5978/islsm.20-or-02
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7
Aortic Elongation in Bicuspid Aortic Valve with Aortic Stenosis Assessed by Thin-Slice Electrocardiogram-Gated Computed Tomography
Autor: Jumpei Fujiwara, Makoto Orii, Hidenobu Takagi, Takuya Chiba, Tadashi Sasaki, Ryoichi Tanaka, Hajime Kin, Yoshihiro Morino, Kunihiro Yoshioka
Publikováno v: International heart journal. 63(2)
Bicuspid aortic valve (BAV) patients with aortic stenosis (AS) are known to develop dilatation of the ascending aorta at a younger age, but the morphology of the aorta in these patients is yet to be investigated. Thus, in this study, we aim to evalua
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6445dba74701463f0370418fbf7b175
https://pubmed.ncbi.nlm.nih.gov/35185086
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Bending of Light and Inhomogeneous Picard-Fuchs Equation
Autor: Hisao Suzuki, Tadashi Sasaki
Bending of light rays by gravitational sources is one of the first evidences of the general relativity. When the gravitational souce is a stationary massive object such as a black hole, the bending angle has an integral representation, from which var
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfc1a50c23db4f8c4c6470dc634d2c5e
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