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Browsing 学術雑誌論文 / Journal Article by Title

Browsing 学術雑誌論文 / Journal Article by Title

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  • Polvi, Jarkko; Taketomi, Takafumi; Moteki, Atsunori; Yoshitake, Toshiyuki; Fukuoka, Toshiyuki; Yamamoto, Goshiro; Sandor, Christian; Kato, Hirokazu (IEEE, 2018-07-01)
    Inspection tasks focus on observation of the environment and are required in many industrial domains. Inspectors usually execute these tasks by using a guide such as a paper manual, and directly observing the environment. ...
  • Niswar, Muhammad; Kashihara, Shigeru; Tsukamoto, Kazuya; Kadobayashi, Youki; Yamaguchi, Suguru (Institute of Electronics, Information and Communication Engineers, 2009-10)
    Switching a communication path from one Access Point (AP) to another in inter-domain WLANs is a critical challenge for delay-sensitive applications such as Voice over IP (VoIP) because communication quality during handover ...
  • Ahmed, Asaad; Yasumoto, Keiich; Ito, Minoru; Shibata, Naoki; Kitani, Tomoya (一般社団法人電子情報通信学会, 2011-01-01)
    Mobile Ad Hoc Networks (MANETs) offer quick and easy network deployment in situations where it is not possible otherwise and they can be used to provide mobile users with a temporary infrastructure to use services in 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 ...
  • Yamauchi, Yukiko; Kamei, Sayaka; Ooshita, Fukuhito; Katayama, Yoshiaki; Kakugawa, Hirotsugu; Masuzawa, Toshimitsu (一般社団法人電子情報通信学会, 2009-03-01)
    A desired property of large distributed systems is self adaptability against the faults that occur more frequently as the size of the distributed system grows. Self-stabilizing protocols provide autonomous recovery from ...
  • Okai, Shinsaku; Usui, Fumihito; Yokota, Shuhei; Hori-i, Yusaku; Hasegawa, Makoto; Nakamura, Toshinobu; Kurosawa, Manabu; Okada, Seiji; Yamamoto, Kazuya; Nishiyama, Eri; Mori, Hiroshi; Yamada, Takuji; Kurokawa, Ken; Matsumoto, Satoshi; Nanno, Masanobu; Naito, Tomoaki; Watanabe, Yohei; Kato, Tamotsu; Miyauchi, Eiji; Ohno, Hiroshi; Shinkura, Reiko (Macmillan Publishers Limited, 2016-07-04)
    Immunoglobulin A (IgA) is the main antibody isotype secreted into the intestinal lumen. IgA plays a critical role in the defence against pathogens and in the maintenance of intestinal homeostasis. However, how secreted IgA ...
  • Fujii, Mami N.; Ishikawa, Yasuaki; Miwa, Kazumoto; Okada, Hiromi; Uraoka, Yukiharu; Ono, Shimpei (Macmillan Publishers, 2015-12-18)
    The use of indium-gallium-zinc oxide (IGZO) has paved the way for high-resolution uniform displays or integrated circuits with transparent and flexible devices. However, achieving highly reliable devices that use IGZO for ...
  • Tomoya Takatani; Tsuyoki Nishikawa; Hiroshi Saruwatari; Kiyohiro Shikano (電子情報通信学会, 2004-08)
    We newly propose a novel blind separation framework for Single-Input Multiple-Output (SIMO) -model-based acoustic signals using an extended ICA algorithm, SIMO-ICA. The SIMO-ICA consists of multiple ICAs and a fidelity ...
  • Takpho, Natthaporn; Watanabe, Daisuke; Takagi, Hiroshi (Elsevier, 2018-03-19)
    Valine, which is one of the branched-chain amino acids (BCAAs) essential for humans, is widely used in animal feed, dietary supplements and pharmaceuticals. At the commercial level, valine is usually produced by bacterial ...
  • Makado, Gouki; Morimoto, Tsumoru; Sugimoto, Yasuko; Tsutsumi, Ken; Kagawa, Natsuko; Kakiuchi, Kiyomi (WILEY-VCH Verlag, 2010-02-09)
    A highly linear-selective hydroformylation of 1-alkenes using formaldehyde without the direct use of syngas is described. One rhodium(I) complex catalyzes two processes in the overall hydroformylation of 1-alkenes using ...
  • Ikeda, Yoko; Kinoshita, Yuki; Susaki, Daichi; Ikeda, Yuriko; Iwano, Megumi; Takayama, Seiji; Higashiyama, Tetsuya; Kakutani, Tetsuji; Kinoshita, Tetsu (Elsevier (Cell Press), 2011-09)
    In Arabidopsis, DEMETER (DME) DNA demethylase contributes to reprogramming of the epigenetic state of the genome in the central cell. However, other aspects of the active DNA demethylation processes remain elusive. Here ...
  • 永井 明人; 北 研二; 花沢 利行; 川端 豪; 鹿野 清宏; 森元 逞; 嵯峨山 茂樹; 榑松 明; 鈴木 忠; 岩崎 知宏; 中島 邦男 (日本音響学会, 1994-09)
    本稿は、大語彙の連続音声認識を実時間で処理するための、HMM-LR連続音声認識装置の設計、処理性能について述べる。HMM-LR法は、一般化LR構文解析により入力音声データ中の音素を予測し、予測された音素の存在確率をHMM音素照合により調べることで、音声認識と言語処理を同時進行させる方式であり、高精度で効率的な処理系を構成することができる。処理量が極めて大きな継続時間制御付きトレリス計算を伴うHMM-LR連続音声認識を実時間で実行するため ...
  • 垣原 清次; 中村 哲; 鹿野 清宏 (電子情報通信学会, 2000-11)
    入力音声から音声と同期した自然で現実感のあるコミュニケーションが可能な顔動画像の合成法を提案している.コンピュータを介した人間のコミュニケーションをより自然な形で実現できれば, コンピュータと人間のコミュニケーションの幅を飛躍的に広げることが可能である.我々は, 以前にいくつかHMMに基づく音声からの唇動画像合成法を提案しており, 特に後続音素の口形素を考慮することにより, 飛躍的に自然さを増すことに成功している.更に本論文では, ...
  • 山本 英里; 中村 哲; 鹿野 清宏 (情報処理学会, 1998-05)
    唇動画像生成の研究はコンピュータエージェントへの応用や聴覚障害者の補助に有用である.音声入力から唇動画像を生成するために,従来ベクトル量子化やニューラルネットによる変換法が用いられてきた.本論文では,音声認識で広く利用されているHMM(隠れマルコフモデル)を音声から動画像への変換に応用する合成法について検討を行う.HMMを用いた合成法の有効性を示すために,以下の3つの比較実験を設定し結果を示す.まず,フレーム単位合成のベクトル量子化法と ...
  • Shimamura, Masayoshi; Iida, Katsuyoshi; Koga, Hiroyuki; Kadobayashi, Youki; Yamaguchi, Suguru (情報処理学会, 2008-12)
    We propose a hose bandwidth allocation method to achieve a minimum throughput assurance (MTA) service for the hose model. Although the hose model which has been proposed as a novel VPN service model for provider provisioned ...
  • UEDA, Yuki; IHARA, Akinori; ISHIO, Takash; HIRAO, Toshiki; MATSUMOTO, ,Kenichi (The Institute of Electronics, Information and Communication Engineers, 2018-11-01)
    Peer code review is key to ensuring the absence of software defects. To reduce review costs, software developers adopt code convention checking tools that automatically identify maintainability issues in source code. ...
  • Khuong, Bui Minh; Kiyokawa, Kiyoshi; Mashita, Tomohiro; Takemura, Haruo (日本バーチャルリアリティ学会, 2017-06-30)
    This study proposes and evaluates the effectiveness of hybrid object and screen stabilized visualization techniques for an assembly support system using augmented reality (AR). Object stabilized visualization techniques ...
  • Shimokawa-Chiba, Naomi; Kumazaki, Kaoru; Tsukazaki, Tomoya; Nureki, Osamu; Ito, Koreaki; Chiba, Shinobu (National Academiy of Science, 2015-04-08)
    The recently solved crystal structure of YidC protein suggests that it mediates membrane protein insertion by means of an intramembrane cavity rather than a transmembrane (TM) pore. This concept of protein translocation ...
  • Hirota, Shun; Suzuki, Masako; Watanabe, Yoshihito (Elsevier, 2004-01-05)
    Effect of a hydrophobic peptide on folding of oxidized cytochrome c (cyt c) is studied with trityrosine. Folding of cyt c was initiated by pH jump from 2.3 (acid-unfolded) to 4.2 (folded). The Soret band of the 2-ms transient ...
  • Nakagawa, Akira; Oshima, Taku; Mori, Hirotada (Genetics Society of Japan, 2006-10)
    The alarmone ppGpp is an important signal molecule for the stringent response. Escherichia coli relA encodes a ppGpp synthetase, and although the regulation of RelA protein activity has been studied extensively, the ...

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