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Extraction or gaze point on display based on EOG for general paralysis patient  

Lee, D.H. (인하대학교 전자공학과)
Yu, J.H. (인하대학교 전자공학과)
Kim, D.H. (인하대학교 전자공학과)
Publication Information
Journal of rehabilitation welfare engineering & assistive technology / v.5, no.1, 2011 , pp. 87-93 More about this Journal
Abstract
This paper proposes a method for extraction of the gaze point on display using EOG(Electrooculography) signal. Based on the linear property of EOG signal, the proposed method corrects scaling difference, rotation difference and origin difference between coordinate of using EOG signal and coordinate on display, without adjustment using the head movement. The performance of the proposed method was evaluated by measuring the difference between extracted gaze point and displayed circle point on the monitor with 1680*1050 resolution. Experimental results show that the average distance errors at the gaze points are 3%(56pixel) on x-axis, 4%(47pixel) on y-axis, respectively. This method can be used to human computer interface of pointing device for general paralysis patients or HCI for VR game application.
Keywords
EOG; Bio-Signal; General paralysis patient;
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