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Please use this identifier to cite or link to this item: http://hdl.handle.net/10445/5996

Title: Estimation of User Action and Mobile Phone Situation By Using Active Sensing
Authors: Shiraishi, Yoh
Sugawara, Kouta
Takahashi, Osamu
Abstract: We propose an active sensing method that uses a mobile phone’s acceleration sensor and its vibration motor as an actuator to estimate the phone’s situation and its user’s action. This method overcomes the problem of existing methods: despite obtaining accurate action estimation from a single acceleration sensor, they cannot estimate the phone’s situation because they utilize differences in acceleration sensor data caused by user actions and estimate the user’s action based on that change. Our method vibrates the mobile phone by using its vibration motor under pulse width modulation (PWM) control and extracts the feature quantities from the acceleration sensor data. It then simultaneously estimates the user’s action (dynamic items) and phone’s situation (static items) with high accuracy from the differences in feature quantities.
Research Achievement Classification: 国際会議/International Conference
Type: Conference Paper
Peer Review: あり/yes
Solo/Joint Author(s): 共著/joint
Published journal or presented
academic conference: 
International Workshop on Informatics (IWIN) 2010
Spage: 116
Epage: 122
Date: Sep-2010
Publisher: Informatics Society
Appears in Collections:Takahashi, Osamu

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