Eye movement activity that affected the eye signals using electrooculography (EOG) technique

Noor, Nurul Muthmainnah Mohd; Mustafa, Muhammad Azhan Muzammil

doi:10.1109/iccsce.2016.7893551

Cited by 6 publications

(1 citation statement)

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“…EOG is a convenient and fast way to measure eye movement without requiring a computer-vision-based system including expensive and bulky components such as a high-resolution camera, and it only requires several electrodes for simultaneous measurements. Conventional metal electrodes such as Ag/AgCl electrodes are commonly used to collect EOG signals, − but they are still too thick, bulky, stiff, and uncomfortable to be attached to the delicate skin around the eyes. Therefore, flexible epidermic sensors have been developed by researchers for EOG acquisition.…”

Section: Introductionmentioning

confidence: 99%

Electrooculography and Tactile Perception Collaborative Interface for 3D Human–Machine Interaction

Chang

et al. 2022

ACS Nano

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The human–machine interface (HMI) previously relied on a single perception interface that cannot realize three-dimensional (3D) interaction and convenient and accurate interaction in multiple scenes. Here, we propose a collaborative interface including electrooculography (EOG) and tactile perception for fast and accurate 3D human–machine interaction. The EOG signals are mainly used for fast, convenient, and contactless 2D (XY-axis) interaction, and the tactile sensing interface is mainly utilized for complex 2D movement control and Z-axis control in the 3D interaction. The honeycomb graphene electrodes for the EOG signal acquisition and tactile sensing array are prepared by a laser-induced process. Two pairs of ultrathin and breathable honeycomb graphene electrodes are attached around the eyes for monitoring nine different eye movements. A machine learning algorithm is designed to train and classify the nine different eye movements with an average prediction accuracy of 92.6%. Furthermore, an ultrathin (90 μm), stretchable (∼1000%), and flexible tactile sensing interface assembled by a pair of 4 × 4 planar electrode arrays is attached to the arm for 2D movement control and Z-axis interaction, which can realize single-point, multipoint and sliding touch functions. Consequently, the tactile sensing interface can achieve eight directions control and even more complex movement trajectory control. Meanwhile, the flexible and ultrathin tactile sensor exhibits an ultrahigh sensitivity of 1.428 kPa–1 in the pressure range 0–300 Pa with long-term response stability and repeatability. Therefore, the collaboration between EOG and the tactile perception interface will play an important role in rapid and accurate 3D human–machine interaction.

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