Faculty Profiles - ABE Masanobu

MISC - ABE Masanobu

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誤差情報を考慮した同行判定の最適化方法

瀬古俊一, 西野正彬, 茂木学, 山田智広, 武藤伸洋, 阿部匡伸

電子情報通信学会大会講演論文集 2009 124 2009.3

時刻情報を含む特徴滞在パターンを用いた行動予測方式の検討

西野正彬, 山田智広, 瀬古俊一, 茂木学, 武藤伸洋, 阿部匡伸

電子情報通信学会大会講演論文集 2009 125 2009.3

ライフログサービスにおける情報提示タイミング判定手法の検討

伊藤達明, 手塚博久, 中村幸博, 山田智広, 武藤伸洋, 阿部匡伸

電子情報通信学会大会講演論文集 2009 123 2009.3

A Study of the Method Labeling the Ordinary/Unordinary state with Heart Rates for Lifelog Services

村山卓弥, 河田博昭, 手塚博久, 山田智広, 武藤伸洋, 阿部匡伸

電子情報通信学会技術研究報告 108 ( 462(OIS2008 75-94) ) 77 - 82 2009.2

Language：Japanese Publisher：一般社団法人電子情報通信学会

There are many lifelog researches to give services with personal daily digitized information.. To realize lifelog services, the labeling technology to enormous quantity of information is necessary. In this paper, we propose a versatile labeling technology focused on the unordinary/ordinary situation of daily life. At first, we evaluate the difference of data distribution collected in each action, the influence of the circadian change, and the accuracy of our approach with heart rate sensor data. Then, we analized the time-oriented features of the result. And based on this analysis, we brought in smoothing process, and label-modify-process. Then, we comfirmed more than 20% accuracy improvement.

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A Study on Extracting Movement Patterns from Transition Data

西野正彬, 瀬古俊一, 青木政勝, 山田智広, 武藤伸洋, 阿部匡伸

情報処理学会研究報告 2008 ( 110(UBI-20) ) 57 - 64 2008.11

Language：Japanese Publisher：一般社団法人情報処理学会

In this report, we propose a method for extracting movement patterns of a person from location data obtained by carrying a GPS data logger. First we translate GPS data to a discrete sequence by aligning the places the user had stayed in time series order, then we use sequential frequent pattern mining technique and obtain frequent movement patterns. Moreover, we propose three methods to select feature movement patterns from those mined ones. We evaluate these methods by applying representative movement patterns to location data from GPS and show features of each method.

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A Method to Judge whether a Person is not Alone using Margin of Error

瀬古俊一, 西野正彬, 青木政勝, 山田智広, 武藤伸洋, 阿部匡伸

情報処理学会研究報告 2008 ( 110(UBI-20) ) 65 - 72 2008.11

Language：Japanese Publisher：一般社団法人情報処理学会

In this paper, we propose the method for increasing precision of the accompanied level using location data form GPS or WiFi equipments. A margin of error in location data cause misjudgments in accompaniment. Therefore, there is problem that these data is not in the right place. We propose a way using margin of error to solve the problem and demonstrate effectiveness of our approach with empirical results.

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A Study on Visualization of Personal Life Log Considering Disclosure Control

EITOKU Shin-ichiro, MATSUMURA Narimune, YAMADA Tomohiro, MUTO Shin-yo, ABE Masanobu

IEICE technical report 108 ( 284 ) 97 - 104 2008.11

Language：Japanese Publisher：一般社団法人電子情報通信学会

In recent years, because of miniaturization of mobile terminals with various sensors, life-log services have begun to realize. However, life-log data includes information users do not want not to disclose. Therefore, a life-log management system must provide users' life-logs to service providers without anxiety of users. In this report, we propose a life-log system which users can manage their life-logs in their local equipments, PCs or home servers. The system can provide a sense of security for its users. And in the life log system, the users decide whether they disclose their life log or not, when they want to get the services. In this study, we focus on clarifying life-logs disclosed to service providers in order to decline users' anxiety. And, we mentioned the concept of visualizing life-logs and supporting users' decision for disclosing their life-logs to several services. Finally, we report the prototype system implemented based on this concept.

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An estimating method for activity modes using life-log data

青木政勝, 瀬古俊一, 西野正彬, 山田智広, 武藤伸洋, 阿部匡伸

情報処理学会研究報告 2008 ( 110(UBI-20) ) 39 - 44 2008.11

Language：Japanese Publisher：一般社団法人情報処理学会

In recent years, positional measurement products using GPS, Wifi signal or other sensors has become familiar, and users can easily record there location information. Moving tracks using location data is one of the most fundamental information in life-log. Location data can be combined with various data, such as purchase histories, attention histories, or photographs. While current context awareness services simply use customer's locations, user's behavioral traits or life style estimated from location data are more variable. While current services only use user's location, more variable services can be provided using user's behavioral trait and lifestyle which can be estimate by user's life-log. Our research aims to estimate user's situation and their profile from accumulated location data. In this paper, we examine the method of extracting activity modes, that is, moving or staying, from positional histories.

中濱清志, 山田智広, 清末悌之, 茶木修一, 秦泉寺浩史, 阿部匡伸

電子情報通信学会大会講演論文集 2008 4 2008.9

An estimating method for activity modes using location data

青木政勝, 瀬古俊一, 西野正彬, 山田智広, 武藤伸洋, 阿部匡伸

情報処理学会研究報告 2008 ( 70(DD-67) ) 7 - 12 2008.7

Language：Japanese Publisher：一般社団法人電子情報通信学会

In recent years, it has become familiar a positional measurement such as GPS, and users can easily record there location information. The location data which include moving tracks is the most basic data in life-log. The location data can be combined with various data, purchase histories, attention histories, photographs, and so on. Those data attempt to use for life-log service. While current services only use user's location, more variable services can be provided using user's behavioral trait and lifestyle which can be estimate by user's life-log. Our research aims to estimate user's situation and their profile from accumulated location data. In this paper, we examine the method of extracting activity modes, that is moving or staying, from positional histories.

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Estimation of Asynchronous Communication Model with Robot Interface in a Child Watch System

河田博昭, 高野陽介, 岩田義行, 金丸直義, 山田智広, 阿部匡伸, 手塚博久

情報処理学会研究報告 2008 ( 70(DD-67) ) 1 - 6 2008.7

Language：Japanese Publisher：一般社団法人電子情報通信学会

We report functional enhancement of the "Merurobo Digital Log System": a network-based interactive child-watch system for nurseries. This system consists of the "Action Switch Platform" which links the PaPeRo (Partner-type Personal Robot) to cellular phones of the parents and a controller used by the nursery teacher. Additional functions include service sets which are automatically switched according to the estimated contexts of the teacher. Teacher's activities are collected by local sensors in real-time and the PaPeRo is driven by the current service set. We implement the service set switching function and assess the integrated system in a nursery facility. Finally, we report efficiency of the context based service switching and the asynchronous communication model with robot interface by analyzing the teacher's actions and comments.

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未来の生活を支えるアプライアンスに向けたR&Dの取組み

阿部匡伸

NTT技術ジャーナル 20 ( 4 ) 39 - 43 2008

アプライアンス研究開発の展望

阿部匡伸

NTT技術ジャーナル 20 ( 1 ) 12 - 15 2008

いろいろな生活シーンにおいて，情報機器を簡単に操作可能とするリモコンインタフェース「URban」

森住俊美, 神谷正人, 美原義行, 森西優次, 高嶋洋一, 稲垣博人, 阿部匡伸

NTT技術ジャーナル 20 ( 1 ) 16 - 21 2008

さまざまな種類のロボットを連携可能にするネットワークロボットプラットフォーム技術

中村幸博, 永徳真一郎, 岩田義行, 茂木学, 武藤伸洋, 阿部匡伸

NTT技術ジャーナル 20 ( 1 ) 22 - 27 2008

病院・介護施設における転倒転落事故予防システム

平澤桂一, 松村成宗, 金丸直義, 阿部匡伸

NTT技術ジャーナル 20 ( 1 ) 32 - 35 2008

保護者参加型子ども見守りシステム「メルロボ連絡帳」

岩田義行, 河田博昭, 金丸直義, 阿部匡伸

NTT技術ジャーナル 20 ( 1 ) 28 - 31 2008

Text-to-Speech Synthesis Technology Using Corpus-Based Approach

H. Mizuno, H. Asano, M. Isogai, M. Hasebe, M. Abe

NTT Technical Review 2 ( 3 ) 70 - 75 2004

コーパスベースアプローチによるテキストからの音声合成

水野秀之, 磯貝光昭, 長谷部未来, 浅野久子, 阿部匡伸

NTT技術ジャーナル 16 ( 1 ) 23 - 26 2004

コーパスベース音声合成技術の動向[II] －音声合成単位を例題に－

阿部匡伸

電子情報通信学会誌 87 ( 2 ) 129 - 134 2004

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