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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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  • Kawai, Norihiko; Inoue, Naoya; Sato, Tomokazu; Okura, Fumio; Nakashima, Yuta; Yokoya, Naokazu (一般社団法人情報処理学会, 2014-09-15)
    This paper proposes a background estimation method from a single omnidirectional image sequence for removing undesired regions such as moving objects, specular regions, and uncaptured regions caused by the camera's blind ...
  • 孫, 為華; 柴田, 直樹; 木谷, 友哉; 松尾, 真也; 伊藤, 実 (一般社団法人情報処理学会, 2014-08-15)
    災害地の建物で救助活動を行う際,アドホックネットワークは有効な通信手段であると見込まれている.本稿では,無線ネットワークノードを風船に取り付けて建物周囲の空間に設置し,建物内部をカバーする無線ネットワークの構築手法を提案する.その際,設置コストを下げ,かつ,短時間でネットワークを構築するためには,用いるノード数をできるだけ少なくすることは重要である.しかし,対象問題はNP困難な三次元配置問題であり,最適解を求めることは実際上困難である. ...
  • Yamashita, Masataka; Hayashi, Hironobu; Suzuki, Mitsuharu; Kuzuhara, Daiki; Yuasa, Junpei; Kawai, Tsuyoshi; Aratani, Naoki; Yamada, Hiroko (The Royal Society of Chemistry, 2016-07-21)
    A bisanthra-thianthrene has been synthesized and the oxidation property was studied to show that the bis(tetracene radical cation) linked by a dithiin ring is more stable than the π-expanded dithianonacene dication.
  • Hiroshi Saruwatari; Hiroaki Yamajo; Tomoya Takatani; Tsuyoki Nishikawa; Kiyohiro Shikano (電子情報通信学会, 2005-09)
    We propose a new two-stage blind separation and deconvolution strategy for multiple-input multiple-output (MIMO)-FIR systems driven by colored sound sources, in which single-input multiple-output (SIMO)-model-based ICA ...
  • Yoshimitsu Mori; Hiroshi Saruwatari; Tomoya Takatani; Satoshi Ukai; Kiyohiro Shikano; Takashi Hiekata; Youhei Ikeda; Hiroshi Hashimoto; Takashi Morita (Hindawi Publishing Corporation, 2006-01)
    A new two-stage blind source separation (BSS) method for convolutive mixtures of speech is proposed, in which a single-input multiple-output (SIMO)-model-based independent component analysis (ICA) and a new SIMO-model-based ...
  • Rajkishore Prasad; Hiroshi Saruwatari; Kiyohiro Shikano (電子情報通信学会, 2005-07)
    This paper presents a study on the blind separation of a convoluted mixture of speech signals using Frequency Domain Independent Component Analysis (FDICA) algorithm based on the negentropy maximization of Time Frequency ...
  • Hiroshi Saruwatari; Satoshi Kurita; Kazuya Takeda; Fumitada Itakura; Tsuyoki Nishikawa; Kiyohiro Shikano (Hindawi Publishing Corporation, 2003-11)
    We describe a new method of blind source separation (BSS) on a microphone array combining subband independent component analysis (ICA) and beamforming. The proposed array system consists of the following three sections: ...
  • Tsuyoki Nishikawa; Hiroshi Saruwatari; Kiyohiro Shikano (電子情報通信学会, 2003-04)
    We propose a new algorithm for blind source separation (BSS), in which frequency-domain independent component analysis (FDICA) and time-domain ICA (TDICA) are combined to achieve a superior source-separation performance ...
  • Jun Kohyama; Tsukasa Sanosaka; Akinori Tokunaga; Eriko Takatsuka; Keita Tsujimura; Hideyuki Okano; Kinichi Nakashima (Rockefeller University Press, 2010-04)
    Once they have differentiated, cells retain their individual character and repress genes that are specifically expressed in other cell lineages, but how alternative fate choice is restricted during and/or after differentiation ...
  • Goshu Nagino; Makoto Shozakai; Tomoki Toda; Hiroshi Saruwatari; Kiyohiro Shikano (電子情報通信学会, 2008-03)
    This paper proposes a technique for building an effective speech corpus with lower cost by utilizing a statistical multidimensional scaling method. The statistical multidimensional scaling method visualizes multiple HMM ...
  • Kume, Hideyuki; Sato, Tomokazu; Yokoya, Naokazu (Elsevier, 2015-05-19)
    In this paper, a new pipeline of structure-from-motion for ground-view images is proposed that uses feature points on an aerial image as references for removing accumulative errors. The challenge here is to design a method ...
  • Tsuchida, Masashi; Ooshita, Fukuhito; Inoue, Michiko (The Institute of Electronics, Information and Communication Engineers, 2018-03-01)
    We propose an algorithm for the gathering problem of mobile agents in arbitrary networks (graphs) with Byzantine agents. Our algorithm can make all correct agents meet at a single node in O(fm) time (f is the upper bound ...
  • Zhang, Shu; Iida, Katsuyoshi; Yamaguchi, Suguru (Institute of Electronics, Information and Communication Engineers, 2003-12-01)
    Because most link-state routing protocols, such as OSPF arid IS-IS, calculate routes using the Dijkstra algorithm which poses scalability problems implementors often introduce an artificial delay to reduce the number of ...
  • Nurlidar, Farah; Yamane, Keisuke; Kobayashi, Mime; Terada, Kayo; Ando, Tsuyoshi; Tanihara, Masao (Wiley-Blackwell, 2017-07-17)
    Reproducing the features of the extracellular matrix is important for fabricating three‐dimensional (3D) scaffolds for tissue regeneration. A collagen‐like polypeptide, poly(Pro‐Hyp‐Gly), is a promising material for 3D ...
  • Iwano, Megumi; Ito, Kanae; Fujii, Sota; Kakita, Mitsuru; Asano-Shimosato, Hiroko; Igarashi, Motoko; Kaothien-Nakayama, Pulla; Entani, Tetsuyuki; Kanatani, Asaka; Takehisa, Masashi; Tanaka, Masaki; Komatsu, Kunihiko; Shiba, Hiroshi; Nagai, Takeharu; Miyawaki, Atsushi; Isogai, Akira; Takayama, Seiji (Nature Publishing Group, 2015-09-01)
    Self-incompatibility in the Brassicaceae is controlled by multiple haplotypes encoding the pollen ligand (S-locus protein 11, SP11, also known as S-locus cysteine-rich protein, SCR) and its stigmatic receptor (S-receptor ...
  • Mashita, Tomohiro; Plopski, Alexander; Kudo, Akira; Hollerer, Tobias; Kiyokawa, Kiyoshi; Takemura, Haruo (日本バーチャルリアリティ学会, 2017-06-30)
    Localizing the user by using a feature database of a scene is a basic and necessary step for presentation of localized augmented reality (AR) content. Due to the time and effort in preparing such a database, only a single ...
  • Matsui, Takaaki; Thitamadee, Siripong; Murata, Tomoko; Kakinuma, Hisaya; Nabetani, Takuji; Hirabayashi, Yoshio; Hirate, Yoshikazu; Okamoto, Hitoshi; Bessho, Yasumasa (National Academy of Science, 2011-06-14)
    The assembly of progenitor cells is a crucial step for organ formation during vertebrate development. Kupffer’s vesicle (KV) is a key organ required for the left-right asymmetric body plan in zebrafish, and is generated ...
  • Nagao, Satoshi; Ishikawa, Haruto; Yamada, Takuya; Mizutani, Yasuhisa; Hirota, Shun (Springer Berlin Heidelberg, 2015-04-01)
    Myoglobin (Mb) is a monomeric oxygen storage hemoprotein, and has been shown to form a domain-swapped dimer. In this study, monomeric and dimeric carbon monoxide (CO)-bound Mb (MbCO) exhibited similar absorption spectra. ...
  • Inagaki, Soichi; Umeda, Masaaki (Elsevier, 2011-11-01)
    The cell cycle is driven by the activity of cyclin-dependent kinase (CDK)–cyclin complexes. Therefore, internal and external signals converge on the regulation of CDK–cyclin activity to modulate cell proliferation in ...
  • Yamanaka, Masaru; Nagao, Satoshi; Komori, Hirofumi; Higuchi, Yoshiki; Hirota, Shun (John Wiley & Sons, Ltd, 2015-03-01)
    Cytochrome c555 from hyperthermophilic bacteria Aquifex aeolicus (AA cyt c555) is a hyperstable protein belonging to the cyt c protein family, which possesses a unique long 310-α-310 helix containing the heme-ligating ...

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