Zobrazeno 1 - 10
of 265
pro vyhledávání: '"Kentaro KOBAYASHI"'
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 3, Pp 1-12 (2024)
In uplink screen camera communication from a smartphone screen to an indoor telephoto camera at a distance of 3.5 meters, low-luminance space division multiplexing screen is used to increase bitrate and enhance physical layer security (PLS) at wide a
Externí odkaz:
https://doaj.org/article/b678d397103249b597010e065b2c4b66
Structural analysis and ionic conduction mechanism of sulfide-based solid electrolytes doped with Br
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-7 (2023)
Abstract Sulfide glasses can exhibit notable ionic conductivity because of annealing-associated crystallization. One well-known example is Li7P3S11. Our research showed that adding bromine (Br) to Li3PS4 sulfide glass results in a similar crystal str
Externí odkaz:
https://doaj.org/article/79a0d1244a044d229ff00a60a9623d97
Publikováno v:
Frontiers in Cellular Neuroscience, Vol 17 (2023)
Despite recent improvements in microscopy, it is still difficult to apply super-resolution microscopy for deep imaging due to the deterioration of light convergence properties in thick specimens. As a strategy to avoid such optical limitations for de
Externí odkaz:
https://doaj.org/article/857944fc5a464006a5ac02a1fc005eaf
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 1, Pp 1-12 (2021)
In this article, we investigate the performance of the newly designed 4 × 4 optical wireless multiple-input-multiple-output (MIMO-OWC) system based on a linearly-shaped arrangement of transmitters and receivers, to achieve long-distance and high dat
Externí odkaz:
https://doaj.org/article/87f68d92970e4a238ad6079336c48c70
Autor:
Keiichi Magota, Naoto Numata, Daiki Shinyama, Junya Katahata, Yamato Munakata, Piotr J. Maniawski, Kentaro Kobayashi, Osamu Manabe, Kenji Hirata, Ukihide Tateishi, Kohsuke Kudo, Tohru Shiga
Publikováno v:
EJNMMI Physics, Vol 7, Iss 1, Pp 1-15 (2020)
Abstract Background Halo artifacts from urinary catheters can occur due to inaccurate scatter correction, and the artifacts affect the tumor visibility in 18F-FDG PET/CT images. We investigated the incidence rate and the mechanisms of halo-artifact g
Externí odkaz:
https://doaj.org/article/44bfd801198a4d7cb37e8f894e85da91
Autor:
Keisuke Kawauchi, Sho Furuya, Kenji Hirata, Chietsugu Katoh, Osamu Manabe, Kentaro Kobayashi, Shiro Watanabe, Tohru Shiga
Publikováno v:
BMC Cancer, Vol 20, Iss 1, Pp 1-10 (2020)
Abstract Background As the number of PET/CT scanners increases and FDG PET/CT becomes a common imaging modality for oncology, the demands for automated detection systems on artificial intelligence (AI) to prevent human oversight and misdiagnosis are
Externí odkaz:
https://doaj.org/article/730b9018a8b54416b904725fa1469ffb
Publikováno v:
IEEE Access, Vol 7, Pp 161211-161219 (2019)
In this paper, wireless feedback control of multiple machines over a beacon-enabled IEEE 802.15.4 network is considered. In the beacon-enabled IEEE 802.15.4 network, beacons periodically structure superframes on the time axis, and each superframe con
Externí odkaz:
https://doaj.org/article/a7535bb9f1de42dca10716735b5c0e3c
Autor:
Satoshi Ide, Sho Saito, Tsubasa Akazawa, Takahito Furuya, Junichi Masuda, Maki Nagashima, Yusuke Asai, Tatsunori Ogawa, Ryohei Yamamoto, Haruhiko Ishioka, Kohei Kanda, Ayako Okuhama, Yuji Wakimoto, Tetsuya Suzuki, Yutaro Akiyama, Yusuke Miyazato, Keiji Nakamura, Takato Nakamoto, Hidetoshi Nomoto, Yuki Moriyama, Masayuki Ota, Shinichiro Morioka, Wataru Matsuda, Tatsuki Uemura, Kentaro Kobayashi, Ryo Sasaki, Daisuke Katagiri, Satoshi Kutsuna, Kayoko Hayakawa, Norio Ohmagari
Publikováno v:
IDCases, Vol 26, Iss , Pp e01343- (2021)
Remdesivir is an antiviral drug that results in clinical improvement after five days of treatment and accelerates recovery by 31%. No studies have discussed the pharmacokinetic analysis of remdesivir in patients with severe COVID-19 requiring extraco
Externí odkaz:
https://doaj.org/article/460b8a8db4254010b8c675bebb5d2ae4
Autor:
Masashi Kawakami, Kenji Hirata, Sho Furuya, Kentaro Kobayashi, Hiroyuki Sugimori, Keiichi Magota, Chietsugu Katoh
Publikováno v:
Frontiers in Medicine, Vol 7 (2020)
Deep learning technology is now used for medical imaging. YOLOv2 is an object detection model using deep learning. Here, we applied YOLOv2 to FDG-PET images to detect the physiological uptake on the images. We also investigated the detection precisio
Externí odkaz:
https://doaj.org/article/4e608da509504f59b12e59b74dbed31d
Autor:
Makiko Yamamoto, Akio Kimura, Kento Takii, Naruaki Otake, Wataru Matsuda, Tatsuki Uemura, Takunori Sato, Kentaro Kobayashi, Ryo Sasaki, Akiyoshi Hagiwara, Junko Fujitani
Publikováno v:
Trials, Vol 19, Iss 1, Pp 1-7 (2018)
Abstract Background Management of trauma involves long-term bed rest even when muscle strength in the lower extremities is preserved. Prolonged bed rest reduces muscle mass and causes muscle atrophy. A recent study reported the efficacy of rehabilita
Externí odkaz:
https://doaj.org/article/8d2be1063dd24bec9e53a1776c4ddab7