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Development of a Real-Time Wireless Embedded Brain Signal Acquisition/Processing System and its Application on Driver's Drowsiness Estimation

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5 Author(s)
Hung-Yi Hsieh ; Department of Electrical and Control Engineering, National Chiao-Tung University, Hsin-Chu, Taiwan, R.O.C. e-mail: ; Sheng-Fu Liang ; Li-Wei Ko ; May Lin
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In this paper, a portable real-time wireless embedded brain signal acquisition/processing system is developed. The proposed system integrates electroencephalogram signal amplifier technique, wireless transmission technique, and embedded real-time system. The development strategy of this system contains three parts: First, the Bluetooth protocol is used as a transmission interface and integrated with the bio-signal amplifier to transmit the measured physiological signals wirelessly. Second, the OMAP (open multimedia architecture platform) is used as a development platform and an embedded operating system for OMAP is also designed. Finally, DSP Gateway is developed as a mechanism to deal with the brain-signal analyzing tasks shared by ARM and DSP. A driver's cognitive-state estimation program has been developed and implemented on the proposed dual core processor-based real time wireless embedded system for demonstration.

Published in:

2006 IEEE International Conference on Systems, Man and Cybernetics  (Volume:5 )

Date of Conference:

8-11 Oct. 2006