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Yuto Kamiwaki and Shinji Fukuda
This study aims to clarify the influence of photographic environments under different light sources on image-based SPAD value prediction. The input variables for the SPAD value prediction using Random Forests, XGBoost, and LightGBM were RGB values, HSL v...
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Rio Arifando, Shinji Eto and Chikamune Wada
Object detection is crucial for individuals with visual impairment, especially when waiting for a bus. In this study, we propose a lightweight and highly accurate bus detection model based on an improved version of the YOLOv5 model. We propose integratin...
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Yuji Nakamura, Yasuki Matsukawa, Shinji Okazaki and Shukuji Asakura
Japanese tap water is Ca2+-poor and SiO2-rich in comparison with that of other counties. Thus, there have been few studies on its corrosivity. We sampled tap waters at 70 different sites and in different seasons in Japan, subjected the samples to chemica...
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Ian Shinji Ferreira Fukushima , Giovanna Pavlovic Quintão , Elaine Toldo Pazello
Pág. 809 - 850
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Hisashi Hayashi, Yasuyuki Okazaki, Daisuke Sakai, Shingo Morimoto and Masato Shinji
In tunnel construction in gravel-mixed ground, it is extremely important to predict the risk of gravel dropout and the accompanying large deformation of the substrate ground. The distribution and shape of gravel vary, and it is difficult to reproduce the...
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Shinji Ono, Jun Takata, Masaharu Kataoka, Tomohiro I, Kilho Shin and Hiroshi Sakamoto
For the feature selection problem, we propose an efficient privacy-preserving algorithm. Let D, F, and C be data, feature, and class sets, respectively, where the feature value ??(????)
x
(
F
i
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and the class label ??(??)
x
(
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are given for each ??...
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Emmanuel Okiria, Hiromu Okazawa, Keigo Noda, Yukimitsu Kobayashi, Shinji Suzuki and Yuri Yamazaki
The prediction of hydrological phenomena using simpler hydrological models requires less computing power and input data compared to the more complex models. Ordinarily, a more complex, white-box model would be expected to have better predictive capabilit...
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Yuya Hasegawa, Ryohei Surugaya, Shinji Adachi and Shigeho Ijiri
In several teleosts, 17a, 20ß-dihydroxy-4-pregnen-3-one (DHP) has been identified as a maturation-inducing steroid. DHP is synthesized from 17a-hydroxyprogesterone (17OHP) by 17ß-hydroxysteroid dehydrogenase type 12-like (hsd17b12L). Along with 3ß-hydrox...
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Keita Koeda, Soutarou Takashima, Takehisa Yamakita, Shinji Tsuchida and Yoshihiro Fujiwara
Several volcanic islands and submarine volcanoes exist in the sea connecting the Izu-Bonin Islands with the Mariana Islands, with trenches and islands formed by the submergence of the Pacific Plate under the Philippine Sea Plate. Although designated as a...
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Ilsa Rosianna, Eka Djatnika Nugraha, Heri Syaeful, Sugili Putra, Masahiro Hosoda, Naofumi Akata and Shinji Tokonami
Mamuju is a region of Indonesia with relatively high exposure to natural radiation. Since 2012, Mamuju has been a uranium and thorium exploration area. Several mapping studies of the region have been carried out to depict NORM (naturally occurring radioa...
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