Zobrazeno 1 - 10
of 679
pro vyhledávání: '"Kohei Arai"'
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:
Information, Vol 15, Iss 9, p 524 (2024)
A method for landslide area detection based on EfficientNetV2 with optical image converted from SAR image using pix2pixHD with a spatial attention mechanism in the loss function is proposed. Meteorological landslides such as landslides after heavy ra
Externí odkaz:
https://doaj.org/article/d466ecdc30754c93928eceed1c7a4c81
Publikováno v:
Information, Vol 15, Iss 8, p 434 (2024)
Methods for evaluating the fluctuation of texture patterns that are essentially regular have been proposed in the past, but the best method has not been determined. Here, as an attempt at this, we propose a method that applies AI technology (learning
Externí odkaz:
https://doaj.org/article/397e4633bc224bc89128936d3ed2a61a
Publikováno v:
Knowledge Engineering and Data Science, Vol 5, Iss 2, Pp 168-178 (2022)
The number of vehicles and currents that tend to increase causes traffic density. A system is proposed to calculate the number of vehicles and predict real-time traffic density. This research uses Haar Cascade to detect the number of cars and motorcy
Externí odkaz:
https://doaj.org/article/ff6bf9f8783642c49c385806efc8bfe2
Autor:
Jilin Men, Jianqiang Liu, Guangping Xia, Tong Yue, Ruqing Tong, Liqiao Tian, Kohei Arai, Linyu Wang
Publikováno v:
Geo-spatial Information Science, Vol 0, Iss 0, Pp 1-13 (2022)
With a spatial resolution of 50 m, a revisit time of three days, and a swath of 950 km, the coastal zone imager (CZI) offers great potential in monitoring coastal zone dynamics. Accurate atmospheric correction (AC) is needed to exploit the potential
Externí odkaz:
https://doaj.org/article/5d54f26435c74ec1b689be5a279763c4
Publikováno v:
Knowledge Engineering and Data Science, Vol 4, Iss 2, Pp 117-127 (2021)
Backpropagation is part of supervised learning, in which the training process requires a target. The resulting error is transmitted back to the units below in its training process. Backpropagation can solve complicated problems because it consumes le
Externí odkaz:
https://doaj.org/article/7a156de239034f529675e7cee9223e14
Autor:
Kohei Arai
Publikováno v:
Applied Sciences, Vol 13, Iss 8, p 4743 (2023)
A method for training and white boxing of deep learning (DL) binary decision trees (BDT), random forest (RF) as well as mind maps (MM) based on graph neural networks (GNN) is proposed. By representing DL, BDT, RF, and MM as graphs, these can be train
Externí odkaz:
https://doaj.org/article/5880870341174a3ca18b54602624410b
Publikováno v:
Journal of Mechatronics, Electrical Power, and Vehicular Technology, Vol 10, Iss 1, Pp 36-47 (2019)
The Utilization of renewable energy such as a photovoltaic system is the foremost alternative in transfers generated by conventional power plants, but the lack of photovoltaics is support for light intensity. The purpose of this research is to develo
Externí odkaz:
https://doaj.org/article/8b90674441c24df7bed84a87bf8426f5
Autor:
Makoto Mizuno, Keiko Toya, Kana Ozawa, Yutaro Nemoto, Shintaro Tanno, Kohei Arai, Keisuke Oura, Akira Ishii, Takaaki Ohnishi
Publikováno v:
EAI Endorsed Transactions on Serious Games, Vol 3, Iss 8, Pp 1-4 (2016)
Service research has emphasized triad relationships between a firm, employees and customers. To coordinate these stakeholders effectively, it is highly important to understand what service activities are beneficial to all or some of these stakeholder
Externí odkaz:
https://doaj.org/article/5a03fa961f534abdbefe011b93459c51
Autor:
Satoshi Tsuchida, Hirokazu Yamamoto, Toru Kouyama, Kenta Obata, Fumihiro Sakuma, Tetsushi Tachikawa, Akihide Kamei, Kohei Arai, Jeffrey S. Czapla-Myers, Stuart F. Biggar, Kurtis J. Thome
Publikováno v:
Remote Sensing, Vol 12, Iss 3, p 427 (2020)
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) onboard Terra platform, which was launched in 1999, has three separate subsystems: a visible and near-infrared (VNIR) radiometer, a shortwave-infrared radiometer, and a therma
Externí odkaz:
https://doaj.org/article/834944ce3fa64a588efdbfb79e69c9f2