TAILIEUCHUNG - Báo cáo hóa học: " Research Article Design and Evaluation of a Pressure-Based Typing Biometric Authentication System"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Design and Evaluation of a Pressure-Based Typing Biometric Authentication System | Hindawi Publishing Corporation EURASIP Journal on Information Security Volume 2008 Article ID 345047 14 pages doi 2008 345047 Research Article Design and Evaluation of a Pressure-Based Typing Biometric Authentication System Wasil Elsadig Eltahir 1 M. J. E. Salami 1 Ahmad Faris Ismail 1 and Weng Kin Lai2 1 Faculty of Engineering International Islamic University IIUM Jalan Gombak Kuala Lumpur 53100 Malaysia 2 Centre for Advanced Informatics MIMOS Berhad Technology Park Malaysia Kuala Lumpur 57000 Malaysia Correspondence should be addressed to Wasil Elsadig Eltahir Received 2 July 2007 Revised 3 November 2007 Accepted 16 May 2008 Recommended by C. Vielhauer The design and preliminary evaluation of a pressure sensor-based typing biometrics authentication system PBAS is discussed in this paper. This involves the integration of pressure sensors signal processing circuit and data acquisition devices to generate waveforms which when concatenated produce a pattern for the typed password. The system generates two templates for typed passwords. First template is for the force applied on each password key pressed. The second template is for latency of the password keys. These templates are analyzed using two classifiers. Autoregressive AR classifier is used to authenticate the pressure template. Latency classifier is used to authenticate the latency template. Authentication is complete by matching the results of these classifiers concurrently. The proposed system has been implemented by constructing users database patterns which are later matched to the biometric patterns entered by each user thereby enabling the system to accept or reject the user. Experiments have been conducted to test the performance of the overall PBAS system and results obtained showed that this proposed system is reliable with many potential applications for computer security. Copyright 2008 Wasil Elsadig Eltahir et al. This is an open access article distributed under the .

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