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

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

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  • Hoang, Dai Long; Hong, Tran Thi; Nakashima, Yasuhiko (MDPI, 2020-04-19)
    Physical layer encryption (PLE) is a new research trend for securing data in communication systems. However, conventional procedures in works on PLE are of high complexity and degrade the packet error rate (PER) performance ...
  • 上田, 裕己; 石尾, 隆; 伊原, 彰紀; 松本, 健一 (日本ソフトウェア科学会, 2020-04-23)
    オープンソースソフトウェアは,多数のパッチからのソースコードの変更提案を受け入れることで高機能・高品質なソフトウェアへと進化している.しかし,パッチ開発者からの変更提案がプロジェクトの実装方針に従っていないことも多く,ソースコードの内容を検証し適切な内容へと改善するために多くの時間コストがかかっている.変更提案の検証コストを削減するためには,パッチ開発者が変更提案前にソースコード上の問題を取り除くことが望ましいが,何を確認しているか具体 ...
  • Kano, Takatomo; Sakti Sakriani, Watiasri; Nakamura, Satoshi (IEEE, 2020-04-20)
    Directly translating spoken utterances from a source language to a target language is challenging because it requires a fundamental transformation in both linguistic and para/non-linguistic features. Traditional speech-to-speech ...
  • 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 ...
  • shinagawa, seitaro; yoshino, koichiro; SEYED HOSSEIN, ALAVI; KALLIRROI, GEORGILA; DAVID, TRAUM; SAKRIANI, SAKTI; Nakamura, Satoshi (IEEE, 2020-03-25)
    We propose an interactive image editing system that has a confirmation dialogue strategy using an entropy-based uncertainty calculation on its generated images with Deep Convolutional Generative Adversarial Networks (DCGAN). ...
  • Andros, Tjandra; Sakriani, Sakti; Satoshi, Nakamura (IEEE, 2020-03-02)
    Despite the close relationship between speech perception and production, research in automatic speech recognition (ASR) and text-to-speech synthesis (TTS) has progressed more or less independently without exerting much ...
  • SHIRATORI, Shota; FUJIMOTO, Yuichiro; Kinya, FUJITA (The Institute of Electronics, Information and Communication Engineers, 2020-04-01)
    In order not to disrupt a team member concentrating on his/her own task, the interrupter needs to wait for a proper time. In this research, we examined the feasibility of predicting prospective interruptible times of office ...
  • Nakamura, Yuta; YuanYu, Zhang; Sasabe, Masahiro; Kasahara, Shoji (MDPI, 2020-03-24)
    Due to the rapid penetration of the Internet of Things (IoT) into human life, illegal access to IoT resources (e.g., data and actuators) has greatly threatened our safety. Access control, which specifies who (i.e., subjects) ...
  • 嶋利, 一真; 石尾, 隆; 井上, 克郎 (日本ソフトウェア科学会, 2019-10-25)
    本研究では,ソフトウェアの内部状態の分析を行うための,限られた保存領域を効率的に使用する実行トレースの記録手法を提案する.提案手法はプログラムの各命令が使用したデータの最新の系列を,命令ごとに一定個数記録するような領域を個別に作成する.命令ごとの記録個数を調整することで,開発者が保有する保存領域に応じた実行トレースの記録が可能となる.
  • Ohira, Shuji; Araya, Kibrom Desta; Arai, Ismail; Inoue, Hiroyuki; Fujikawa, Kazutoshi (IEEE, 2020-02-24)
    Controller Area Network (CAN) is a de facto standard of in-vehicle networks. Since CAN employs broadcast communication and a slower network than other general networks (e.g. Ethernet, IEEE802.11), it is inherently vulnerable ...
  • Kubo, Hiroyuki; Jayasuriya, Suren; Iwaguchi, Takafumi; Funatomi, Takuya; Mukaigawa, Yasuhiro; Narasimhan, Srinivasa G. (IEEE, 2019-10-21)
    The decomposition of light transport into direct and global components, diffuse and specular interreflections, and subsurface scattering allows for new visualizations of light in everyday scenes. In particular, indirect ...
  • Dawar, Khan; Sehat, Ullah; Syed, Nabi (MDPI, 2019-12-17)
    Indoor navigation and localization has gained a key attention of the researchers in the recent decades. Various technologies such as WiFi, Bluetooth, Ultra Wideband (UWB), and Radio-frequency identification (RFID) have ...
  • Shibata, Naoki (IEEE, 2019-11-28)
    o address the large amount of energy wasted by blockchains, we propose a decentralized consensus protocol for blockchains in which the computation can be used to search for good approximate solutions to any optimization ...
  • Arnaud, Delmotte; Tanaka, Kenichiro; Kubo, Hiroyuki; Funatomi, Takuya; Mukaigawa, Yasuhiro (IEEE, 2019-12-25)
    We propose a new blind watermarking algorithm for three-dimensional (3D) printed objects that has applications in metadata embedding, robotic grasping, counterfeit prevention, and crime investigation. Our method can be ...
  • Kaga, Masaki; Kushida, Takahiro; Takatani, Tsuyoshi; Tanaka, Kenichiro; Funatomi, Takuya; Mukaigawa, Yasuhiro (Springer Berlin Heidelberg, 2019-11-04)
    This paper presents a non-line-of-sight technique to estimate the position and temperature of an occluded object from a camera via reflection on a wall. Because objects with heat emit far infrared light with respect to ...
  • 上村 , 恭平; 中才, 恵太朗; 大神, 勝也; 畑, 秀明; 一ノ瀬, 智浩; 松本, 健一; 飯田, 元 (日本ソフトウェア科学会, 2019-01-25)
    ソフトウェア工学において,ソフトウェア開発データを分析・可視化し,エビデンスに基づく意思決定を支援するソフトウェアアナリティクスが注目されている.分析や可視化の技術は多数提案されているが,独立して開発されているため,実務者や研究者にとって様々な技術を統一的に活用することは容易でない.そこで我々は,オープンなソフトウェア開発データを有用な形式で公開し,複数の可視化を提供するWebサービス,Codosseumを開発した.具体的には,現在,メ ...
  • Damien Constantine, Rompapas; Christian, Sandor; Alexander, Plopski; Daniel Pieter, Saakes; Joongi, Shin; Taketomi, Takafumi; Kato, Hirokazu (Elsevier, 2019-08-27)
    In recent years, there has been an increasing amount of Collaborative Augmented Reality (CAR) expe- riences, classifiable by the deployed scale and the fidelity of the experience. In this paper, we create HoloRoyale, the ...
  • Ogami, Katsuya; Nakasai, Keitaro; Hata, Hideaki; Matsumoto, Kenichi (日本ソフトウェア科学会, 2019-04-26)
    アプリケーションのパフォーマンス改善において,実行時間を解析するプロファイラは有用と思われる.しかし,既存のプロファイラは特定の実行シナリオのもとプロファイリング時間を事前に設定する必要があり,実行シナリオなしでシステムのボトルネックを見つけることは難しい.また,各メソッドごとの実行時間を表示するインタフェースはソフトウェアの階層構造上における実行モジュールの位置などを把握することが難しい.これらの課題に対処するため,リアルタイムでパフ ...
  • Nakasai, Keitaro; Hata, Hideaki; Matsumoto, Kenichi (IEEE, 2018-10-22)
    Eclipse, an open source software project, acknowledges its donors by presenting donation badges. However, the effect of this strategy is unknown. We found that donation badges are appealing for donors and organizers because ...
  • 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.

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