Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Shinichi Awamoto"'
Autor:
Yuji Tsutsui, Shinichi Awamoto, Kazuhiko Himuro, Yoshiyuki Umezu, Shingo Baba, Masayuki Sasaki
Publikováno v:
Asia Oceania Journal of Nuclear Medicine and Biology, Vol 6, Iss 1, Pp 15-23 (2018)
Objective(s): The aim of this study is to examine the effect of different smoothing filters on the image quality and SUVmax to achieve the guideline recommended positron emission tomography (PET) image without harmonization. Methods: We used a Biogra
Externí odkaz:
https://doaj.org/article/534046afb42a47b5ab1ccff402a21c18
Autor:
Yuji Tsutsui, Shinichi Awamoto, Kazuhiko Himuro, Yoshiyuki Umezu, Shingo Baba, Masayuki Sasaki
Publikováno v:
Asia Oceania Journal of Nuclear Medicine and Biology, Vol 5, Iss 2, Pp 141-151 (2017)
Objective(s): We evaluated edge artifacts in relation to phantom diameter and reconstruction parameters in point spread function (PSF)-based positron emission tomography (PET) image reconstruction.Methods: PET data were acquired from an original cone
Externí odkaz:
https://doaj.org/article/2aba3ff8564b44be91bb84f1dffbe340
Publikováno v:
Radiological physics and technology. 15(4)
This study explored the detectability of category 3 or higher microcalcifications using 5-MP color and monochrome monitors. Contrast detail mammography phantom with polymethyl methacrylate (PMMA) images were observed in color and monochrome by five r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1f49c0bf923b0dc30132675e4db2e11
https://pubmed.ncbi.nlm.nih.gov/36076142
https://pubmed.ncbi.nlm.nih.gov/36076142
Autor:
Kodai Kumamoto, Hideaki Sato, Yuji Tsutsui, Shinichi Awamoto, Yasuo Yamashita, Shingo Baba, Masayuki Sasaki
Publikováno v:
Journal of nuclear medicine technology.
This study investigated the spatial resolution and image quality of the continuous bed motion (CBM) method in a sensitive silicon photomultiplier (SiPM)-based positron emission tomography (PET)/computed tomography (CT) system compared with the tradit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::069f69c2ae640830bbca14c9654c25ae
https://pubmed.ncbi.nlm.nih.gov/35440474
https://pubmed.ncbi.nlm.nih.gov/35440474
Autor:
Kodai Kumamoto, Hideaki Sato, Yuji Tsutsui, Shinichi Awamoto, Yasuo Yamashita, Shingo Baba, Masayuki Sasaki
Publikováno v:
Journal of Nuclear Medicine Technology; Sep2022, Vol. 50 Issue 3, p1-30, 30p
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 76(5)
Three dimensional ordered subset expectation maximization (3D-OSEM) improves spatial resolution and contrast. Continuous acquisition, and step and shoot acquisition are used in single photon emission computed tomography (SPECT). The purpose of this s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ddea6395d89fcf52c5954c50a1f07c2
https://pubmed.ncbi.nlm.nih.gov/32435033
https://pubmed.ncbi.nlm.nih.gov/32435033
Evaluating and comparing the image quality and quantification accuracy of SiPM-PET/CT and PMT-PET/CT
Publikováno v:
Annals of nuclear medicine. 34(10)
The aim of this study was to evaluate the image quality and the quantification accuracy of Biograph Vision PET/CT scanner as a SiPM-PET in comparison to the conventional PMT-PET, Biograph mCT PET/CT scanner. This study consisted of a phantom study an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fe5ec7c630c8cdec802ea7dd21d7e47
https://pubmed.ncbi.nlm.nih.gov/32621167
https://pubmed.ncbi.nlm.nih.gov/32621167
Publikováno v:
Radiological Physics and Technology. 10:382-386
The objective of this work was to evaluate the maximum luminance (L max) level of medical liquid crystal displays (LCDs) as a function of backlight hours (BLH) annually. The L max values for 249 2-megapixel color LCDs (RadiForce RX210, EIZO Corporati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fed81432fb682c2cb77cec4b66afb355
https://doi.org/10.1007/s12194-017-0401-x
https://doi.org/10.1007/s12194-017-0401-x
Autor:
Kazuhiko Himuro, Yuji Tsutsui, Shinichi Awamoto, Shuji Nagamine, Yoshiyuki Umezu, Yasuhiko Nakamura, Toshioh Fujibuchi
Publikováno v:
Radiological Physics and Technology. 10:121-128
In this study, we estimated the ambient dose equivalent rate (hereafter “dose rate”) in the fluoro-2-deoxy-d-glucose (FDG) administration room in our hospital using Monte Carlo simulations, and examined the appropriate medical-personnel locations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0afd53f010d7fce0e3cd63bde9094082
https://doi.org/10.1007/s12194-016-0371-4
https://doi.org/10.1007/s12194-016-0371-4
Publikováno v:
MCSoC
Modern real-time systems need to efficiently handle aperiodic tasks as well as periodic ones. This paper presents a system design applying the hybrid operating system approach to multi-core architectures. A core is allocated exclusively and dynamical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69802e4624d7d94243f4c4d1e1760e7d
https://doi.org/10.1109/mcsoc2018.2018.00029
https://doi.org/10.1109/mcsoc2018.2018.00029