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Paper Abstract and Keywords
Presentation 2012-06-11 14:00
Input action classification using principal component analysis in a 3D gesture interface for mobile devices
Tomoko Muraiso, Kayo Ogawa (JWU), Takashi Komuro (Saitama Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this research we propose a new motion classification method using principal component analysis to improve operability of a 3D gesture interface that assists text input on mobile devices. By applying principal component analysis to time-series finger scale data, the amount of information is reduced and only necessary information for classification is obtained. The result of experiment using a numerical keypad application showed that up to third principal components had eigenvalues more than one, and that the cumulative contribution ratio was more than 99%. The result of discriminant analysis showed that the proposed method achieved 94.3% recognition accuracy for mobile phone number input and 94.8% for circular constant input.
Keyword (in Japanese) (See Japanese page) 
(in English) action recognition / virtual keyboard / time-series analysis / machine learning / / / /  
Reference Info. ITE Tech. Rep., vol. 36, no. 21, IST2012-31, pp. 9-12, June 2012.
Paper # IST2012-31 
Date of Issue 2012-06-04 (IST, ME) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970

Conference Information
Committee ME IST  
Conference Date 2012-06-11 - 2012-06-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IST 
Conference Code 2012-06-ME-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Input action classification using principal component analysis in a 3D gesture interface for mobile devices 
Sub Title (in English)  
Keyword(1) action recognition  
Keyword(2) virtual keyboard  
Keyword(3) time-series analysis  
Keyword(4) machine learning  
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1st Author's Name Tomoko Muraiso  
1st Author's Affiliation Japan Women's University (JWU)
2nd Author's Name Kayo Ogawa  
2nd Author's Affiliation Japan Women's University (JWU)
3rd Author's Name Takashi Komuro  
3rd Author's Affiliation Saitama University (Saitama Univ.)
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Speaker
Date Time 2012-06-11 14:00:00 
Presentation Time 30 
Registration for IST 
Paper # ITE-IST2012-31,ITE-ME2012-82 
Volume (vol) ITE-36 
Number (no) no.21 
Page pp.9-12 
#Pages ITE-4 
Date of Issue ITE-IST-2012-06-04,ITE-ME-2012-06-04 


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