Zobrazeno 1 - 10
of 39
pro vyhledávání: '"SHINSUKE KYOGOKU"'
Autor:
Keisuke Usui, Sae Kamiyama, Akihiro Arita, Koichi Ogawa, Hajime Sakamoto, Yasuaki Sakano, Shinsuke Kyogoku, Hiroyuki Daida
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Reducing the amount of projection data in computed tomography (CT), specifically sparse-view CT, can reduce exposure dose; however, image artifacts can occur. We quantitatively evaluated the effects of conditional generative adversarial netw
Externí odkaz:
https://doaj.org/article/e58a70ed60564b52b09e8aece96246e2
Autor:
Kenzo Muroi, Shinsuke Kyogoku, Yasuaki Sakano, Hajime Sakamoto, Kazuma Nakazeko, Kazuya Koyama, Issei Fukunaga, Kensuke Hori, Kumiko Kotake, Shuko Nojiri, Miwa Sekine, Yuji Nishizaki, Hiroyuki Daida
Publikováno v:
PLoS ONE, Vol 19, Iss 1 (2024)
Externí odkaz:
https://doaj.org/article/cde745553aff497c9769048782174ac0
Autor:
Keisuke Usui, Isao Muro, Syuhei Shibukawa, Masami Goto, Koichi Ogawa, Yasuaki Sakano, Shinsuke Kyogoku, Hiroyuki Daida
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract Motion artefacts caused by the patient’s body movements affect magnetic resonance imaging (MRI) accuracy. This study aimed to compare and evaluate the accuracy of motion artefacts correction using a conditional generative adversarial netwo
Externí odkaz:
https://doaj.org/article/4409813255e34638b4a4692c33a55740
Autor:
YASUAKI SAKANO, KENZO MUROI, MASAMI GOTO, HAJIME SAKAMOTO, YUH MORIMOTO, SHINSUKE KYOGOKU, TATSUO SAKAI, HIROYUKI DAIDA
Publikováno v:
Juntendo Medical Journal. 68:44-51
Autor:
Akifumi Hagiwara, Yasuaki Sakano, Shinsuke Kyogoku, Koji Kamagata, Hiroyuki Daida, Hajime Sakamoto, Masami Goto, Shohei Fujita, Osamu Abe, Shigeki Aoki, Masaaki Hori
Publikováno v:
Magnetic Resonance in Medical Sciences
Purpose The aim of this study was to investigate whether the detectability of brain volume change in voxel-based morphometry (VBM) with gray matter images is affected by mild white matter lesions (MWLs). Materials and methods Three-dimensional T1-wei
Autor:
Shohei Fujita, Shigeki Aoki, Osamu Abe, Koji Kamagata, Hajime Sakamoto, Masami Goto, Yasuaki Sakano, Shinsuke Kyogoku, Hiroyuki Daida, Ayumi Kato, Masaaki Hori, Akifumi Hagiwara
Publikováno v:
Radiological Physics and Technology. 13:76-82
The aim of this study was to evaluate the effect of changing the contrast of an analyzed image on the accuracy of intracranial volume (ICV) extraction using the Brain Extraction Tool (BET2) in healthy adults and patients with Sturge-Weber syndrome (S
Autor:
Masami Goto, Issei Fukunaga, Akifumi Hagiwara, Shohei Fujita, Masaaki Hori, Koji Kamagata, Shigeki Aoki, Osamu Abe, Hajime Sakamoto, Yasuaki Sakano, Shinsuke Kyogoku, Hiroyuki Daida
Publikováno v:
Acta radiologica (Stockholm, Sweden : 1987).
Background Voxel-based morphometry (VBM) using magnetic resonance imaging (MR) has been used to estimate cortical atrophy associated with various diseases. However, there are mis-segmentations of segmented gray matter image in VBM. Purpose To study a
Autor:
Hajime Sakamoto, Osamu Abe, Koji Kamatgata, Masami Goto, Masaaki Hori, Hiroyuki Daida, Shinsuke Kyogoku, Kiyotaka Nemoto, Shigeki Aoki, Yasuaki Sakano, Syo Murata
Publikováno v:
Acta radiologica (Stockholm, Sweden : 1987). 63(6)
Background Atlas-based volumetry using three-dimensional T1-weighted (3D-T1W) magnetic resonance imaging (MRI) has been used previously to evaluate the volumes of intracranial tissues. Purpose To evaluate the detectability of volume difference and ac
Autor:
Masaaki Hori, Shigeki Aoki, Akifumi Hagiwara, Hajime Arai, Ayumi Kato, Shohei Fujita, Osamu Abe, Hidenori Sugano, Masami Goto, Yasuaki Sakano, Koji Kamagata, Hajime Sakamoto, Shinsuke Kyogoku, Hiroyuki Daida
Publikováno v:
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia. 79
Brain extraction represents an important step in numerous neuroimaging analyses. The brain extraction tool (BET)2 is a widely used deformable model-based approach for extraction of intracranial volume (ICV). The aim of this study is to estimate the I
Autor:
Naoto Shikama, Keisuke Sasai, Masami Goto, Hiroyuki Daida, Keisuke Usui, Koichi Ogawa, Shinsuke Kyogoku, Yasuaki Sakano
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 111:e129
Purpose/Objective(s) To achieve high-precision stereotactic body radiotherapy, visualization of moving tumor/target estimation is performed using 4-dimensional cone-beam computed tomography (4D-CBCT) before each treatment fraction. Currently, respira