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Browsing 学術雑誌論文 / Journal Article by Title

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  • Furutani, Masahiko; Nakano, Yasukazu; Tasaka, Masao (National Academiy of Science, 2014-01-21)
    In Arabidopsis, leaves and flowers form cyclically in the shoot meristem periphery and are triggered by local accumulations of the plant hormone auxin. Auxin maxima are established by the auxin efflux carrier PIN-FORMED1 ...
  • 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 ...
  • Suwa, Tomomi; Tomita, Satoshi; Hosoito, Nobuyoshi; Yanagi, Hisao (MDPI AG, 2017-10-20)
    Herein we experimentally study magnetic multilayer metamaterials with broken translational symmetry. Epitaxially-grown iron-gold (Fe-Au) multilayers modulated using Fibonacci sequence—referred to as magnetic inverse ...
  • 布川, 雄大; 孫, 為華; 安本, 慶一; 伊藤, 実 (一般社団法人情報処理学会, 2011-02-15)
    本論文では,モバイルユーザが所持する無線通信可能なワンセグ携帯端末を対象に,ワンセグの受信品質が良い端末から悪い端末(難視聴端末)に対してマルチホップでビデオをストリーミング配信することで視聴品質を向上させる手法を提案する.まず,無線通信帯域や最大転送ホップ数などの制約を満たし,難視聴端末の救済数を最大化するビデオ中継パスの集合を求める問題を形式的に定義する.本問題はNP困難問題であり短時間に最適解を求めることは難しいため,各端末が近隣 ...
  • 高島, 栄一; 村田, 佳洋; 柴田, 直樹; 安本, 慶一; 伊藤, 実 (一般社団法人情報処理学会, 2007-02-15)
    モバイルアドホックネットワーク(MANET)上でビデオなどのマルチメディアデータをストリーミング配信するため,遅延や帯域幅などの複数のQoS に関する制約を満たすマルチキャスト木を動的に構築する手法が研究されている.MANET 上のマルチキャスト木構築は,QoS の制約だけでなく,経路の安定性,省電力など,様々な目的に対する最適性を同時に考慮できることが望ましい.最適なマルチキャスト木を求める問題はNP 困難であるため,近似解法として遺 ...
  • McQuinn, Ryan P.; Gapper, Nigel E.; Gray, Amanda G.; Zhong, Silin; Tohge, Takayuki; Fei, Zhangjun; Fernie, Alisdair R.; Giovannoni, James J. (Wiley Open Access, 2020-10-27)
    Spontaneous mutations in fruit‐specific carotenoid biosynthetic genes of tomato (Solanum lycopersicum) have led to improved understanding of ripening‐associated carotenogenesis. Here, we confirm that ZDS is encoded by a ...
  • Vacca, Barbara; Sanchez-Heras, Elena; Steed, Emily; Balda, Maria S; Ohnuma, Shin-Ichi; Sasai, Noriaki; Mayor, Roberto; Matter, Karl (The Company of Biologists, 2016-11-15)
    Ocular morphogenesis requires several signalling pathways controlling the expression of transcription factors and cell-cycle regulators. However, despite a well-known mechanism, the dialogue between those signals and factors ...
  • Tanaka, Kenichiro; Mukaigawa, Yasuhiro; Funatomi, Takuya; Kubo, Hiroyuki; Matsushita, Yasuyuki; Yagi, Yasushi (IEEE, 2019-12-01)
    This paper presents a material classification method using an off-the-shelf Time-of-Flight (ToF) camera. The proposed method is built upon a key observation that the depth measurement by a ToF camera is distorted for objects ...
  • Ikegami, Daisuke; Kaji, Yuichi (Institute of Electronics, Information and Communication Engineers, 2003-03-01)
    New algorithms for the soft-derision and the hard-derision maximum likelihood decoding (MLD) for binary linear block codes are proposed. It has been widely known that both MLD can be regarded as an integer programming with ...
  • Alexandre Girardi; Harald Singer; Kiyohiro Shikano; Satoshi Nakamura (電子情報通信学会, 2000-10)
    This paper shows how a divisive state clustering algorithm that generates acoustic Hidden Markov models(HMM)can benefit from a tied-mixture representation of the probability density function(pdf)of a state and increase the ...
  • Kitamata, Manabu; Hanawa-Suetsugu, Kyoko; Maruyama, Kohei; Suetsugu, Shiro (Elsevier (Cell Press), 2019-07-26)
    Ankyrin-repeat domains (ARDs) are conserved in large numbers of proteins. ARDs are composed of various numbers of ankyrin repeats (ANKs). ARDs often adopt curved structures reminiscent of the Bin-Amphiphysin-Rvs (BAR) ...
  • Watanabe, Mutsumi; Netzer, Florian; Tohge, Takayuki; Orf, Isabel; Brotman, Yariv; Dubbert, David; Fernie, Alisdair R.; Rennenberg, Heinz; Hoefgen, Rainer; Herschbach, Cornelia (Frontiers Media, 2018-09-05)
    The temperate climax tree species Fagus sylvatica and the floodplain tree species Populus × canescens possess contrasting phosphorus (P) nutrition strategies. While F. sylvatica has been documented to display P storage and ...
  • Tomita, Satoshi; Kurosawa, Hiroyuki; Ueda, Tetsuya; Sawada, Kei (IOP Publishing, 2018-02-06)
    This review introduces and overviews electromagnetism in structured metamaterials which undergo simultaneous time-reversal and space-inversion symmetry breaking due to magnetism and chirality. Direct experimental observation ...
  • Sun, Weihua; Shibata, Naoki; Kenmotsu, Masahiro; Yasumoto, Keiichi; Ito, Minoru (一般社団法人情報処理学会, 2015-07-15)
    In this paper, we focus on multilevel parking facilities and propose a navigation system that minimizes the time required for cars to find vacant parking spaces. Parking zones at large parking facilities provide drivers ...
  • Isoyama, Naoya; Terada, Tsutomu; Tsukamoto, Masahiko (MDPI, 2020-09-09)
    In virtual reality (VR) tourism, when watching a video of a tourist location, the feeling of presence improves the experience. Furthermore, it is desirable to be able to give a feeling of having been there before to the ...
  • Kashiwabara, Yuki; Ishio, Takashi; Hata, Hideaki; Inoue, Katsuro (電子情報通信学会, 2015-03-01)
    It is well-known that program readability is important for maintenance tasks. Method names are important identifiers for program readability because they are used for understanding the behavior of methods without reading ...
  • Oikawa, Yu; Omori, Reiko; Nishii, Tomonori; Ishida, Yasumasa; Kawaichi, Masashi; Matsuda, Eishou (Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 2011-05-31)
    Postnatal growth and regeneration of skeletal muscle are carried out mainly by satellite cells, which, upon stimulation, begin to express myogenin (Myog), the critical determinant of myogenic differentiation. DNA methylation ...
  • Panikos Heracleous; Satoshi Nakamura; Takeshi Yamada; Kiyohiro Shikano (電子情報通信学会, 2002-06)
    This paper describes a method for hands-free speech recognition, and particularly for the simultaneous recognition of multiple sound sources. The method is based on the 3-D Virerbi search, i.e., extended to the 3-D N-best ...
  • Tomita, Satoshi; Sawada, Kei; Nagai, Shotaro; Sanada, Atsushi; Hisamoto, Nobuyuki; Ueda, Tetsuya (American Physical Society, 2017-10-13)
    This study observes microwave beam splitting dependent on circular polarizations through nonuniform chiral metamaterials. Nonuniform chiral metamaterials with a gradation in refractive index are constructed using chiral ...
  • Kodama, Toshiyuki; Kusanagi, Yusaku; Okamoto, Satoshi; Kikuchi, Nobuaki; Kitakami, Osamu; Tomita, Satoshi; Hosoito, Nobuyoshi; Yanagi, Hisao (American Physical Society, 2018-05-17)
    We investigate the microwave spectroscopies of a micrometer-sized single permalloy (Py) chiral structure on coplanar waveguides (CPWs). Under an external dc magnetic field applied in a direction perpendicular to the microwave ...

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