Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Eiko Ueno"'
Autor:
Jianbo Gao, Yun Shen, Rika Fukui, Takuya Ishikawa, Haruhiko Machida, Isao Tanaka, Eiko Ueno, Shigeru Suzuki
Publikováno v:
Investigative Radiology. 51:513-519
The aim of this study was to assess the effect of monochromatic imaging at various energy levels in combination with a motion correction algorithm (MCA) in single-source dual-energy coronary computed tomography angiography (CCTA) with fast switching
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::638f8871821eeb83e845390149b15c93
https://doi.org/10.1097/rli.0000000000000263
https://doi.org/10.1097/rli.0000000000000263
Publikováno v:
RadioGraphics. 36:1215-1232
Single-source dual-energy (DE) computed tomography (CT) with fast switching of tube voltage allows projection-based image reconstruction, substantial reduction of beam-hardening effects, reconstruction of accurate monochromatic images and material de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf7b8ff04a388339e843b6f71f5f0f89
https://doi.org/10.1148/rg.2016150185
https://doi.org/10.1148/rg.2016150185
Publikováno v:
RadioGraphics. 35:991-1010
Multidetector coronary computed tomography (CT), which is widely performed to assess coronary artery disease noninvasively and accurately, provides excellent image quality. Use of electrocardiography (ECG)-controlled tube current modulation and low t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18110f085415e0dd3cbf6b2ed3943835
https://doi.org/10.1148/rg.2015140181
https://doi.org/10.1148/rg.2015140181
Publikováno v:
Radiological Physics and Technology. 8:295-304
This paper presents an iterative image reconstruction method for radial encodings in MRI based on a total variation (TV) regularization. The algebraic reconstruction method combined with total variation regularization (ART_TV) is implemented with a r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f200c01f3998d39c4ef3fcd11b054202
https://doi.org/10.1007/s12194-015-0320-7
https://doi.org/10.1007/s12194-015-0320-7
Autor:
Takuya Ishikawa, Yun Shen, Isao Tanaka, Shigeru Suzuki, Rika Fukui, Haruhiko Machida, Etsuko Tate, Eiko Ueno, Xiaozhu Lin
Publikováno v:
Japanese Journal of Radiology. 33:84-93
We retrospectively investigated the effect of the motion correction algorithm (MCA) on image quality and interpretability by heart rate (HR) in coronary CT angiography (CCTA). For 105 patients (6 HR groups) undergoing CCTA, 2 readers independently gr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ea882a7f2333f4f2479dbe5c88903c4
https://doi.org/10.1007/s11604-014-0382-1
https://doi.org/10.1007/s11604-014-0382-1
Publikováno v:
Journal of computer assisted tomography. 42(1)
OBJECTIVE We compared iodine concentration in pulmonary ground-glass opacity on iodine density images of contrast-enhanced chest dual-energy computed tomography (DECT) between patients with cardiogenic pulmonary edema (CPE) and acute interstitial lun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3cc8f66efbdf76137194e6944f229b8
https://pubmed.ncbi.nlm.nih.gov/28708723
https://pubmed.ncbi.nlm.nih.gov/28708723
Autor:
Hiroshi Sakura, Kazuhiro Matsui, Hiroyuki Ito, Hisako Omori, Eiko Ueno, Rika Fukui, Takashi Nakaoka, Haruhiko Machida, Yutaka Kubo, Tetsuya Mitsuhashi, Isao Tanaka, Shun Nakajima
Publikováno v:
Atherosclerosis.
Coronary computed tomography (CT) angiography allows non-invasive classification of non-calcified coronary plaques (NCCPs) based on Hounsfield unit (HU) values. This methodology, however, is somewhat limited for reliable classification of NCCPs. Ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7cf2edc1e6c19b0f5c28b0b3a686cf7c
Publikováno v:
Radiological Physics and Technology. 6:375-384
In follow-up brain magnetic resonance imaging (MRI), precise reproducibility of the scan prescription is important so that over- or underestimating changes in volumes of clinical interest is prevented. (The scan prescription is defined as the locatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3155259534f1fc237d9bf9dc3b3c9a46
https://doi.org/10.1007/s12194-013-0211-8
https://doi.org/10.1007/s12194-013-0211-8
Publikováno v:
American Journal of Roentgenology. 200:652-657
The purpose of this study was to evaluate the performance of model-based iterative reconstruction (MBIR) in measurement of the inner diameter of models of blood vessels and compare performance between MBIR and a standard filtered back projection (FBP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8fb615eef27aef8c2f9ebdb634df0899
https://doi.org/10.2214/ajr.12.8689
https://doi.org/10.2214/ajr.12.8689
Autor:
Keiko Yoda, Shigeru Suzuki, Takuya Nishino, Haruhiko Machida, John M. Sabol, Kazuyo Kita, Toshiyuki Yuhara, Eiko Ueno, Hiroshi Sunose
Publikováno v:
Journal of Computer Assisted Tomography. 37:252-256
Objective We investigated the diagnostic accuracy of digital tomosynthesis (DT) radiography for detecting sinus opacification. Methods For 31 adult patients with signs suggestive of sinusitis who underwent both sinus multi-detector-row computed tomog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b40eb4f414de20dbaa41267adc84e6c7
https://doi.org/10.1097/rct.0b013e31827c0cb1
https://doi.org/10.1097/rct.0b013e31827c0cb1