Faculty Profiles - KAWAGUCHI, Nobuo

Papers - KAWAGUCHI, Nobuo

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HASC2011corpus: Towards the common ground of human activity recognition Reviewed

Nobuo Kawaguchi, Ying Yang, Tianhui Yang, Nobuhiro Ogawa, Yohei Iwasaki, Katsuhiko Kaji, Tsutomu Terada, Kazuya Murao, Sozo Inoue, Yoshihiro Kawahara, Yasuyuki Sumi, Nobuhiko Nishio

UbiComp'11 - Proceedings of the 2011 ACM Conference on Ubiquitous Computing page： 571 - 572 2011

Language：English Publishing type：Research paper (international conference proceedings) Publisher：ACM

Human activity recognition through the wearable sensor will enable a next-generation human-oriented ubiquitous computing. However, most of research on human activity recognition so far is based on small number of subjects, and non-public data. To overcome the situation, we have gathered 4897 accelerometer data with 116 subjects and compose them as HASC2011corpus. In the field of pattern recognition, it is very important to evaluate and to improve the recognition methods by using the same dataset as a common ground. We make the HASC2011corpus into public for the research community to use it as a common ground of the Human Activity Recognition. We also show several facts and results of obtained from the corpus. © 2011 Authors.

DOI： 10.1145/2030112.2030218

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Other Link： http://dblp.uni-trier.de/db/conf/huc/ubicomp2011.html#conf/huc/KawaguchiYYOIKTMIKSN11

indoor.Locky: UGCを利用した無線LAN 屋内位置情報基盤 Reviewed

梶克彦, 河口信夫

情報処理学会論文誌 Vol. 52 ( 12 ) page： 3263 - 3273 2011

Distributed human activity data processing using HASC tool Reviewed

Nobuo Kawaguchi, Nobuhiro Ogawa, Yohei Iwasaki, Katsuhiko Kaji

UbiComp'11 - Proceedings of the 2011 ACM Conference on Ubiquitous Computing page： 603 - 604 2011

Language：English Publishing type：Research paper (international conference proceedings) Publisher：ACM

To accelerate and simplify human activity recognition research, we have been developing a data processing tool named "HASC Tool." As the activity corpus becomes huge, it is not simple to handle the large number of files because it takes a lot of time to process. In this paper, we propose a distributed data processing mechanism which is implemented in the HASC Tool. By using the system, we can simply scale the local system into distributed processing. We also show the preliminary experimental result. © 2011 Authors.

DOI： 10.1145/2030112.2030234

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Other Link： http://dblp.uni-trier.de/db/conf/huc/ubicomp2011.html#conf/huc/KawaguchiOIK11

App.locky: Users' context collecting platform for context-aware application recommendation Reviewed

Katsuhiko Kaji, Motoki Yano, Nobuo Kawaguchi

UbiCrowd'11 - Proceedings of the 2nd International Workshop on Ubiquitous Crowdsouring page： 29 - 32 2011

Language：English Publishing type：Research paper (international conference proceedings)

Recently, it has become very hard for users to find their desired mobile services because the number of applications and Web services are rapidly increasing. Therefore, it is important to realize context-aware application recommendation. Because it is necessary to collect large learning data to estimate user's context, we propose a platform for collecting users' context and relationship between context and application by providing an application search system that inquires user's current context. We implemented a system named "App.Locky" based on our proposal and conducted experiments by publishing the system on the internet. As a result, we confirmed that collected search logs can be used to estimate user's context and relationship between context and application. © 2011 ACM.

DOI： 10.1145/2030100.2030110

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App.Locky:コンテキスト依存型サービス推薦を目的としたユーザ状況収集プラットフォーム Reviewed

矢野幹樹, 梶克彦, 河口信夫

情報処理学会論文誌 Vol. 52 ( 12 ) page： 3274 - 3288 2011

indoor.Locky : UGCを利用した無線LAN屋内位置情報基盤 Reviewed

河口信夫

情報処理学会論文誌 Vol. Vol.52, No.12 page： 3263 - 3273 2011

大規模データベースと装着型センサで人間行動を理解する

河口信夫

情報処理 Vol. 52-1 page： 32 - 36 2011

大規模データベースと装着型センサで人間行動を理解する Invited

河口信夫

情報処理 Vol. 52 ( 1 ) page： 32 2010.12

人間行動理解のための信号処理 Invited

河口信夫，武田一哉

電子情報通信学会誌 Vol. 93 ( 12 ) page： 1060 2010.12

Signal Processing for Human Activity Understanding

KAWAGUCHI Nobuo, TAKEDA Kazuya

The Journal of the Institute of Electronics, Information and Communication Engineers Vol. 93 ( 12 ) page： 1060-1062 2010.12

Eki.Locky : Time Table Information System using WiFi Location Technology

YANO Motoki, IWASAKI Yohei, KAWAGUCHI Nobuo

Vol. 72 ( 0 ) page： 289-290 2010.3

D-19-8 Applications of Public Sensors on Privacy Protection

Kitade Takuya, Iwasaki Yohei, Kawaguchi Nobuo, Hirano Yasushi, Kajita Shoji, Mase Kenji

Proceedings of the IEICE General Conference Vol. 2010 ( 2 ) page： . 2010.3

Development of a Fine-grained Power Sensing and Presentation System

UEDA Yasutaka, OGAWA Nobuhiro, KAWAGUCHI Nobuo, KATAYAMA Masaaki

Vol. 2010 ( 1 ) page： 27-32 2010.1

TimeTable.Locky: Nation wide WiFi location information system based on user contributed information Reviewed

Motoki Yano, Katsuhiko Kaji, Nobuo Kawaguchi

Proceedings of the 3rd International Workshop on Location and the Web, LocWeb 2010 page： 24 - 25 2010

Language：English Publishing type：Research paper (international conference proceedings) Publisher：ACM

We introduce an iPhone / iPod touch timetable application using WiFi location system named "Eki.Locky". This application adopts UGC (User Generated Content) approach to collect TimeTable information andWiFi access point (AP) information from public users. Since the service started in October 2009, Eki.Locky has been used by over 440,000 people, posted timetable information covers 98% of all stations in Japan and 350,000 WiFi AP information were collected. In addition, since June 2010, we started a new version of this application named "TimeTable.Locky" which supports any timetable such as buses and airplanes. TimeTable.Locky also has been used large number of people, and collected over 23,000 of timetable information. Copyright 2010 ACM.

DOI： 10.1145/1899662.1899669

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Other Link： http://dblp.uni-trier.de/db/conf/locweb/locweb2010.html#conf/locweb/YanoKK10

*高度な実世界イベント認識を手軽に利用可能にするInstant Learning Sound Sensor の提案 Reviewed

根岸佑也，河口信夫

情報処理学会論文誌 Vol. 50 ( 4 ) page： 1272,1286 2009.4

Wireless Lan-Based Vehicular Location Information Processing

Ito Seigo, Kawaguchi Nobuo

IN-VEHICLE CORPUS AND SIGNAL PROCESSING FOR DRIVER BEHAVIOR page： 69-+ 2009

Underground Positioning: Subway Information System using WiFi Location Technology

Kawaguchi Nobuo, Yano Motoki, Ishida Shogo, Sasaki Takeshi, Iwasaki Yohei, Sugiki Kenji, Matsubara Shigeki

MDM: 2009 10TH INTERNATIONAL CONFERENCE ON MOBILE DATA MANAGEMENT page： 371-372 2009

WiFi Location Information System for Both Indoors and Outdoors

Kawaguchi Nobuo

DISTRIBUTED COMPUTING, ARTIFICIAL INTELLIGENCE, BIOINFORMATICS, SOFT COMPUTING, AND AMBIENT ASSISTED LIVING, PT II, PROCEEDINGS Vol. 5518 page： 638-645 2009

NAT Free Open Source 3D Video Conferencing using SAMTK and Application Layer Router

Kawaguchi Nobuo, Nishiura Shuntaro, Abade Odira Elisha, Kurosawa Takahiro, Jinmei Tatsuya, Muramoto Eiichi

2009 6TH IEEE CONSUMER COMMUNICATIONS AND NETWORKING CONFERENCE, VOLS 1 AND 2 page： 9-+ 2009

*PlanetLabを用いたIPv6オーバレイネットワークの構築 Reviewed

櫻井覚，管文鋭，松井大輔，今井祐二，村本衛一，河口信夫

情報処理学会論文誌 Vol. 49 ( 9 ) page： 3234-3244 2008.9

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Papers - KAWAGUCHI, Nobuo