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. 2018 Aug 27;18(9):2826. doi: 10.3390/s18092826

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(a) The anatomy of eyeball; (b) The denoised horizontal ( $E O G_{h}$ ) and vertical ( $E O G_{v}$ ) signal components. Three eye movement types are marked in gray: saccades (S), fixations (F), and blinks (B).