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著者 "Ito, Minoru" のブラウズ:

著者 "Ito, Minoru" のブラウズ:

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  • 長行, 康男; 伊藤, 実 (一般社団法人電子情報通信学会, 2003-11-01)
    本論文では,2体エージェント確率ゲームにおける新たな強化学習法を提案する.提案する手法では,他エージェントが実際に実行した行動の観測情報をもとに他エージェントの政策(行動決定関数)を推定し,その推定した政策を利用して他エージェントが未来に実行する行動を予測する.そして,その予測行動を利用しながら強化学習を進行する.提案した手法を2体エージェント確率ゲームの枠組みでモデル化した追跡問題に適用し,実験を行い,提案手法の有効性を示す.
  • 清川, 皓太; 山本, 眞也; 柴田, 直樹; 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,ネットワーク接続された多数の情報家電を一元的かつ直観的な操作により遠隔地からの制御を可能にする情報家電リモコンのフレームワークUbiREMOTEを提案する.UbiREMOTEは,ホームネットワークが敷設された空間の間取りとそこに設置された多数の情報家電を模した3D仮想空間を構築し,対象となる空間と情報家電の動作状況を3Dグラフィックスでリモコン端末に表示する機能,および,一般的な赤外線リモコンを用いて操作する手順に似せたイン ...
  • Uyama, Kazuya; Tamai, Morihiko; Murata, Yoshihiro; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru (Springer, 2006)
    In this paper, we propose a method to realize compound video (multiple videos on a layout)delivery service for mobile terminals. In the proposed method, we introduce proxies which receive multiple videos from corresponding ...
  • Enomoto, Makoto; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru; Higashino, Teruo (IEEE, 2006)
    In urban areas including shopping malls and stations with many people, it is important to utilize various infor- mation which those people have obtained. In this paper, we propose a method for information registration and ...
  • Tachibana, Tatsuhiro; Murata, Yoshihiro; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru (IEEE, 2006)
    Multi-objective genetic algorithms (MOGAs) are approximation techniques to solve multi-objective optimization problems. Since MOGAs search a wide variety of pareto optimal solutions at the same time, MOGAs require large ...
  • Nakamura, Masato; Kitani, Tomoya; Sun, Weihua; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru (IEEE, 2010)
    In vehicular ad hoc networks (VANETs), delivering messages to a specific location is difficult due to the high mobility of vehicles. In this paper, we propose a method for efficient message delivery in VANETs utilizing the ...
  • 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 ...
  • Sawa, Yuta; Kitani, Tomoya; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru (IEEE, 2008)
    In this paper, we propose a method for detecting the positions of pedestrians by cooperation of multiple cars with directional antennas to support drivers for pedestrian safety. In the method, each pedestrian carries a ...
  • Shibata, Naoki; Terauchi, Takashi; Kitani, Tomoya; Yasumoto, Keiichi; Ito, Minoru; Higashino, Teruo (IEEE, 2006)
    In this paper, we propose a method for cars to autonomously and cooperatively collect traffic jam statistics to estimate arrival time to destination for each car using inter-vehicle communication. In the method, the target ...
  • Nagata, Munenobu; Murata, Yoshihiro; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru (Springer, 2006)
    Group sightseeing has some advantages in terms of required budget and so on. Some travel agents provide package tours of group sightseeing, but participants have to follow a predetermined schedule in tour, and thus there ...
  • Kinoshita, Takamasa; Nagata, Munenobu; Murata, Yoshihiro; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru (一般社団法人情報処理学会, 2006)
    Recently, various personal navigation systems are available on the market. In this paper, we propose a new scheduling function to compose sightseeing tours across multiple days. Scheduling for multiple days is challenging ...
  • Shiraishi, Takayuki; Nagata, Munenobu; Shibata, Naoki; Murata, Yoshihiro; Yasumoto, Keiichi; Ito, Minoru (一般社団法人情報処理学会, 2005-11-15)
    In order to allow tourists to travel to multiple destinations efficiently we need a personal navigation system which computes and shows the best route to the next destination and facilitates composition of a schedule for ...
  • Maruyama, Atsushi; Shibata, Naoki; Murata, Yoshihiro; Yasumoto, Keiichi; Ito, Minoru (IEEE, 2004)
    We propose a personal navigation system (called PNS) which navigates a tourist through multiple destinations efficiently. In our PNS, a tourist can specify multiple destinations with desired arrival/stay time and preference ...
  • Shinkawa, Takashi; Terauchi, Takashi; Kitani, Tomoya; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru; Higashino, Teruo (IEEE, 2006)
    In this paper, we propose a method to realize traffic information sharing among cars using inter-vehicle communication. When traffic information on a target area is retained by ordinary cars near the area, the information ...
  • Murata, Yoshihiro; Ishihara, Yasunori; Ito, Minoru (一般社団法人電子情報通信学会, 2002-04-01)
    The Task-Coalition Assignment Problem (TCAP) is a formalization of the distributed computation problem. In TCAP, a set of agents and a set of tasks are given. A subset of the agents processes a task to produce benefit. The ...
  • Ojetunde, Babatunde; Shibata, Naoki; Gao, Juntao; Ito, Minoru (IEEE, 2015)
    A payment system in a disaster area is essential for people to buy necessities such as groceries, clothing, and medical supplies. However, existing payment systems require the needed communication infrastructures (like ...
  • Tamai, Morihiko; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru (IEEE, 2006)
    In this demonstration, we show an energy-aware video streaming system which allows users to play back video for the specified duration within the remaining battery amount. In the system, we execute a proxy server on an ...
  • Ishihara, Yasunori; Morita, Toshiyuki; Seki, Hiroyuki; Ito, Minoru (Elsevier, 2007-01-24)
    A query is said to be secure against inference attacks by a user if there exists no database instance for which the user can infer the result of the query, using only authorized queries to the user. In this paper, first, ...
  • Matsuo, Shinya; Sun, Weihua; Shibata, Naoki; Kitani, Tomoya; Ito, Minoru (IEEE, 2013)
    Aiming at fast establishment of a wireless network around a multi-level building in a disaster area, we propose an efficient method to determine the locations of network nodes in the air. Nodes are attached to balloons ...
  • 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. ...

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