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Paper Abstract and Keywords
Presentation 2013-08-27 13:00
Keystroke Biometrics with Sensor Information on Smartphone
Toshiharu Samura, Masayuki Izumi (ANCT), Haruhiko Nishimura (Univ. Hyogo)
Abstract (in Japanese) (See Japanese page) 
(in English) Today smartphones are becoming widely used as multipurpose devices. If smartphone was stolen, the risks of leaking personal information and abusing it are increased. As a security measure for smartphone, we have considered keystroke dynamics in free text input. Many examinations of keystroke dynamics are applied to QWERTY keyboards and some of the keystroke event times are extracted as feature measurements. In this paper, we adopt the smartphone and extract new feature measurements given by smartphone’s sensors. We propose keystroke dynamics on the feature data in flick inputting of free text. The experiment is performed on twenty-one participants, considering four feature measurements. As a result, it turned out that the recognition accuracy is 96 %, false rejection rate (FRR) is 2 %, and false acceptance rate (FAR) is 0.85 % for 100 hiragana letters input.
Keyword (in Japanese) (See Japanese page) 
(in English) Biometrics / Information security / Keystroke dynamics / Smartphone / / / /  
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Conference Information
Committee BioX  
Conference Date 2013-08-27 - 2013-08-28 
Place (in Japanese) (See Japanese page) 
Place (in English) The Institute of Scientific and Industrial Research, Osaka Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Biometrics, etc. 
Paper Information
Registration To BioX 
Conference Code 2013-08-BioX 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Keystroke Biometrics with Sensor Information on Smartphone 
Sub Title (in English)  
Keyword(1) Biometrics  
Keyword(2) Information security  
Keyword(3) Keystroke dynamics  
Keyword(4) Smartphone  
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1st Author's Name Toshiharu Samura  
1st Author's Affiliation Akashi National College of Technology (ANCT)
2nd Author's Name Masayuki Izumi  
2nd Author's Affiliation Akashi National College of Technology (ANCT)
3rd Author's Name Haruhiko Nishimura  
3rd Author's Affiliation University of Hyogo (Univ. Hyogo)
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Date Time 2013-08-27 13:00:00 
Presentation Time 30 minutes 
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