2A1-G30 MEMSを用いたウェアラブル視線検出システム

概要

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Detection of the line-of-sight (LOS) has various applications, such as communication technology and welfare field. To realize such applications, there is strong demand for an LOS detection system that does not restrict users' activities and inflicts no mental stress. In this paper, we built pupil position detecting algorithm and demonstrated LOS detection. We confirmed the correlation of the output voltages with respect to the pupil position assuming that a photovoltaic device generates voltage depending on the overlapping area of the device and the pupil. According to the generated voltages of the 2×5 transparent dye-sensitized photovoltaic devices array on eyeglasses, it is successfully detected the eye movement and thus the LOS of the test subject based on the differences in intensities of light reflected from the pupil and the white of the eye. The MEMS-based LOS detection system proposed herein is readily applicable to various promising applications.