Zobrazeno 1 - 10
of 452
pro vyhledávání: '"Atsushi UCHIDA"'
Publikováno v:
Frontiers in Complex Systems, Vol 2 (2024)
Estimating the entropy rate of physical random number generators with uncertainty is crucial for information security applications. We evaluate the sample entropy of chaotic temporal waveforms generated experimentally by a semiconductor laser with ti
Externí odkaz:
https://doaj.org/article/578404236c1b4d59946269c682719d58
Publikováno v:
Communications Physics, Vol 6, Iss 1, Pp 1-10 (2023)
Abstract High-speed image processing is essential for many real-time applications. On-chip photonic neural network processors have the potential to speed up image processing, but their scalability is limited in terms of the number of input/output cha
Externí odkaz:
https://doaj.org/article/3dbe2999eeb04cbfb7a4e0d602719f1b
Publikováno v:
APL Photonics, Vol 9, Iss 3, Pp 036112-036112-10 (2024)
The Multi-Armed Bandit (MAB) problem, foundational to reinforcement learning-based decision-making, addresses the challenge of maximizing rewards amid multiple uncertain choices. While algorithmic solutions are effective, their computational efficien
Externí odkaz:
https://doaj.org/article/c48f5ef70a4940f49a9cef0dacb63dc5
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract Decision making using photonic technologies has been intensively researched for solving the multi-armed bandit problem, which is fundamental to reinforcement learning. However, these technologies are yet to be extended to large-scale multi-a
Externí odkaz:
https://doaj.org/article/bc3f65d6ff92415c90ecee215710b80c
Autor:
Kazutaka Kanno, Atsushi Uchida
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract Reinforcement learning has been intensively investigated and developed in artificial intelligence in the absence of training data, such as autonomous driving vehicles, robot control, internet advertising, and elastic optical networks. Howeve
Externí odkaz:
https://doaj.org/article/5a82848ec1f3486482c94ec5d2488d24
Autor:
Kazuyuki Wada, Shinsuke Hara, Satoru Tanoi, Akifumi Kasamatsu, Yuta Otsuka, Kawori Sekine, Atsushi Uchida, Makoto Naruse
Publikováno v:
AIP Advances, Vol 12, Iss 12, Pp 125225-125225-7 (2022)
Photonic computing has been intensively studied to explore the ultrahigh bandwidth of lightwaves. However, electronic support is indispensable for the post-processing and control of photonic systems owing to the difficulties encountered in all-optica
Externí odkaz:
https://doaj.org/article/58fcae81fac24475b3f2d10e4816e83e
Autor:
Shingen Misaka, Yuko Ono, Atsushi Uchida, Tomoyuki Ono, Osamu Abe, Hiroshi Ogata, Hideyuki Sato, Masahiko Suzuki, Satomi Onoue, Yayoi Shikama, Kenju Shimomura
Publikováno v:
Clinical and Translational Science, Vol 14, Iss 2, Pp 476-480 (2021)
Lisinopril, a highly hydrophilic long‐acting angiotensin‐converting enzyme inhibitor, is frequently prescribed for the treatment of hypertension and congestive heart failure. Green tea consumption may reduce the risk of cardiovascular outcomes an
Externí odkaz:
https://doaj.org/article/8ffee0fc0dfb4bab84c1da2a2c3ecaa5
Autor:
Mengyu You, Daisuke Sakakibara, Kota Makino, Yonosuke Morishita, Kazutoshi Matsumura, Yuta Kawashima, Manao Yoshikawa, Mahiro Tonosaki, Kazutaka Kanno, Atsushi Uchida, Satoshi Sunada, Susumu Shinohara, Takahisa Harayama
Publikováno v:
Entropy, Vol 24, Iss 11, p 1648 (2022)
By numerical simulations and experiments of fully chaotic billiard lasers, we show that single-mode lasing states are stable, whereas multi-mode lasing states are unstable when the size of the billiard is much larger than the wavelength and the exter
Externí odkaz:
https://doaj.org/article/90387ee0c658442ea249619a151618e8
Autor:
Makoto Naruse, Takashi Matsubara, Nicolas Chauvet, Kazutaka Kanno, Tianyu Yang, Atsushi Uchida
Publikováno v:
Scientific Reports, Vol 9, Iss 1, Pp 1-9 (2019)
Abstract Generative adversarial networks (GANs) are becoming increasingly important in the artificial construction of natural images and related functionalities, wherein two types of networks called generators and discriminators evolve through advers
Externí odkaz:
https://doaj.org/article/c3385cc93b1e4d298997877832cffd10
Autor:
Yuji Sogawa, Hajime Nagasu, Shigeki Iwase, Chieko Ihoriya, Seiji Itano, Atsushi Uchida, Kengo Kidokoro, Shun’ichiro Taniguchi, Masafumi Takahashi, Minoru Satoh, Tamaki Sasaki, Takafumi Suzuki, Masayuki Yamamoto, Tiffany Horng, Naoki Kashihara
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
Abstract Chronic inflammation can be a major driver of the failure of a variety of organs, including chronic kidney disease (CKD). The NLR family pyrin domain-containing 3 (NLRP3) inflammasome has been shown to play a pivotal role in inflammation in
Externí odkaz:
https://doaj.org/article/9c73df0e0041436cb20c07fe7d7a09e7