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Non-contact measurement of eyeblink by using Doppler sensor

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Abstract

In this report, we introduce an experimental method for eyeblink measurement by utilizing Doppler effect phenomena. In the cognitive science literature, eyeblink has been proposed as a complex phenomenon and acts as a representative of higher nervous processes. We developed an experimental setup in which the measurement of the eyeblink was conducted using a Doppler sensor accompanied by an accelerometer and an EOG (electrooculography) recording. From our experimental results, we found that the Doppler frequency related to blinking contains a dominant frequency at 2 Hz. Finally, we showed that when blinking is accompanied with head and body movements, eyeblink signal is separable by deploying the principal component analysis (PCA).

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Acknowledgements

This report is supported by JSPS KAKENHI 2530406.

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Authors and Affiliations

  1. The University of Electro-Communications, Tokyo, Japan

    Amir Maleki & Masafumi Uchida

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  1. Amir Maleki
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  2. Masafumi Uchida
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Correspondence to Amir Maleki.

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Maleki, A., Uchida, M. Non-contact measurement of eyeblink by using Doppler sensor. Artif Life Robotics 23, 279–285 (2018). https://doi.org/10.1007/s10015-017-0414-x

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  • DOI: https://doi.org/10.1007/s10015-017-0414-x

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