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Browsing 情報科学領域 / Division of Information Science by Title

Browsing 情報科学領域 / Division of Information Science by Title

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  • Kobayashi, Taisuke (IEEE, 2020-07-17)
    A variational autoencoder (VAE) derived from Tsallis statistics called q-VAE is proposed. In the proposed method, a standard VAE is employed to statistically extract latent space hidden in sampled data, and this latent ...
  • Ishibashi, Yoichi; Sudoh, Katsuhito; Yoshino, Koichiro; Nakamura, Satoshi (一般社団法人言語処理学会, 2021-03-15)
    Word embeddings, which often represent analogic relations such as king − man + woman ≈ queen, can be used to change an attribute of a word, including its gender. To transfer the gender attribute of king to obtain queen in ...
  • Akiyama, Ryo; Yamamoto, Goshiro; Amano, Toshiyuki; Taketomi, Takafumi; Plopski, Alexander; Sandor, Christian; Kato, Hirokazu (IEEE, 2019-09-10)
    We present a novel method for robustly estimating reflectance even in a dynamically changing light environment. To control the appearance of an object by using a projector-camera system, appropriate reflectance estimation ...
  • Ilboudo, Wendyam Eric Lionel; Kobayashi, Taisuke; Sugimoto, Kenji (IEEE, 2020-12-16)
    Remarkable achievements by deep neural networks stand on the development of excellent stochastic gradient descent methods. Deep-learning-based machine learning algorithms, however, have to find patterns between observations ...
  • Murayama, Taichi; Shimizu, Nobuyuki; Wakamiya, Shoko; Aramaki, Eiji (Public Library of Science, 2020-05-21)
    Influenza causes numerous deaths worldwide every year. Predicting the number of influenza patients is an important task for medical institutions. Two types of data regarding influenza-like illnesses (ILIs) are often used ...
  • TALUSAN, JOSE PAOLO V; WILBUR, MICHAEL; DUBEY, ABHISHEK; YASUMOTO1, KEIICHI (IEEE, 2020-10-07)
    Cities are embracing data-intensive applications to maximize their constrained transportation networks. Platforms such as Google offer route planning services to mitigate the effect of traf c congestion. These use remote ...
  • 柿本, 大輔; 平林(宮部), 真衣; 荒牧, 英治; 吉野, 孝 (情報処理学会, 2021-01-15)
    インターネットにおける流言拡散防止のためには,情報閲覧時のユーザに対し,真偽確認を促進することで,不用意な情報拡散を防ぐことが重要である.我々はこれまでに,ユーザに対し,流言の存在に関する気づきを提供し,真偽確認を促進するシステム「RumorFinder」の構築を行ってきた.本研究では,効果的な真偽確認促進および役に立つ情報の提供について検討するため,システムの一般公開を行ったうえで,利用データの収集および分析を行った.分析の結果,以下 ...
  • Matsui, Tomokazu; Onishi, Kosei; Misaki, Shinya; Fujimoto, Manato; Suwa, Hirohiko; Yasumoto, Keiichi (MDPI, 2020-08-29)
    As aging populations continue to grow, primarily in developed countries, there are increasing demands for the system that monitors the activities of elderly people while continuing to allow them to pursue their individual, ...
  • Shimokawa, Shumpei; Taenaka, Yuzo; Tsukamoto, Kazuya; Lee, Myung (IEEE, 2021-02-23)
    Network resource management is one of the key technologies needed to ensure that multiple applications in edge networks provide reliable and stable performance. Although throughput has previously been seen as the primary ...
  • Hara, Takanori; Sasabe, Masahiro; Kasahara, Shoji (IEEE, 2020-08-27)
    Traffic congestion in urban areas causes economic and time loss. Such traffic congestion is caused by selfish routing where users aim to minimize their own travel time. Even if a navigation system provides them with ...
  • KESHI, Ikuo; SUZUKI, Yu; YOSHINO, Koichiro; NAKAMURA, Satoshi (The Institute of Electronics, Information and Communication Engineers, 2018-04-01)
    The problem with distributed representations generated by neural networks is that the meaning of the features is difficult to understand. We propose a new method that gives a specific meaning to each node of a hidden layer ...
  • Rungroj, Maipradit; Hata, Hideaki; Matsumoto, Kenichi (IEEE, 2019-05-29)
    We propose a sentiment classification method with a general machine-learning framework. In comparison to publicly available data sets, our method achieved the highest F1 values in positive and negative sentences on all data sets.
  • Asada, Shigenobu; Kubo, Hiroyuki; Funatomi, Takuya; Mukaigawa, Yasuhiro (The Institute of Electronics, Information and Communication Engineers, 2019-04-01)
    The purpose of our research is to reproduce the appearance of frangible historical ink paintings for preserving frangible historical documents and illustrations. We, then, propose a method to reproduce both reflectance and ...
  • Fuvattanasilp, Varunyu; Fujimoto, Yuichiro; Plopski, Alexander; Taketomi, Takafumi; Sandor, Christian; Kanbara, Masayuki; Kato, Hirokazu (Elsevier, 2021-04)
    Accurately placing virtual objects in a scene is a challenging tasks in handheld augmented reality (HAR). To add and arrange virtual objects in HAR, users must manipulate 6 degrees of freedom (DoFs) of the virtual object, ...
  • Zhang, Yuanyu; Kasahara, Shoji; Shen, Yulong; Jiang, Xiaohong; Wan, Jianxiong (IEEE, 2018-06-15)
    This paper investigates a critical access control issue in the Internet of Things (IoT). In particular, we propose a smart contract-based framework, which consists of multiple access control contracts (ACCs), one judge ...
  • Fukushima, Makoto; Sporns, Olaf (Cold Spring Harbor Laboratory Press, 2020-01-20)
    While segregation and integration of neural information in the neocortex are thought to be important for human behavior and cognition, the neural substrates enabling their dynamic fluctuations remain elusive. To tackle ...
  • KITANO, KAZUYA; FUNATOMI, TAKUYA; YASUKUNI, RYOHEI; TANAKA, KENICHIRO; KUBO, HIROYUKI; HOSOKAWA, YOICHIROH; MUKAIGAWA, YASUHIRO (Optical Society of America, 2021-01-15)
    The grating, lens, and linear sensor determine a spectrometer’s wavelength resolution and measurement range. While conventional methods have tried to improve the optical design to obtain a better resolution, they have a ...
  • Khan, Dawar; Plopski, Alexander; Fujimoto, Yuichiro; Kanbara, Masayuki; Jabeen, Gul; Zhang, Yongjie; Zhang, Xiaopeng; Kato, Hirokazu (IEEE, 2020-08-14)
    In this article, we present a survey on surface remeshing techniques, classifying all collected articles in different categories and analyzing specific methods with their advantages, disadvantages, and possible future ...
  • Hisada, Shohei; Murayama, Taichi; Tsubouchi, Kota; Fujita, Sumio; Yada, Shuntaro; Wakamiya, Shoko; Aramaki, Eiji (Nature Research, 2020-10-29)
    Two clusters of the coronavirus disease 2019 (COVID-19) were confirmed in Hokkaido, Japan, in February 2020. To identify these clusters, this study employed web search query logs of multiple devices and user location ...
  • Watanabe, Hiroki; Tanaka, Hiroki; Sakriani, Sakti; Nakamura, Satoshi (Elsevier, 2019-04-18)
    Neural oscillations synchronize with the periodicity of external stimuli such as the rhythm of the speechamplitude envelope. This synchronization induces a speech-specific, replicable neural phase patternacross trials and ...

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