Journal
BIOSENSORS-BASEL
Volume 11, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/bios11090343
Keywords
human-computer interface; electrooculography; eye-movement detection; fixation; saccade; blink
Funding
- Ministry of Science and Technology of Taiwan [108-2221-E-400-003-MY3, 109-2221-E-009-050-MY2, 109-2314-B-400-037, 110-2221-E-400-003-MY3and 110-2221-E-A49-130-MY2]
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An HCI system based on electrooculography (EOG) that includes eye-state detection and ten saccade movements differentiation has been proposed in this study to assist people with disabilities. The system provides an eye-dialing interface to improve the lives of individuals with disabilities, showcasing good performance of the classification algorithm.
In the assistive research area, human-computer interface (HCI) technology is used to help people with disabilities by conveying their intentions and thoughts to the outside world. Many HCI systems based on eye movement have been proposed to assist people with disabilities. However, due to the complexity of the necessary algorithms and the difficulty of hardware implementation, there are few general-purpose designs that consider practicality and stability in real life. Therefore, to solve these limitations and problems, an HCI system based on electrooculography (EOG) is proposed in this study. The proposed classification algorithm provides eye-state detection, including the fixation, saccade, and blinking states. Moreover, this algorithm can distinguish among ten kinds of saccade movements (i.e., up, down, left, right, farther left, farther right, up-left, down-left, up-right, and down-right). In addition, we developed an HCI system based on an eye-movement classification algorithm. This system provides an eye-dialing interface that can be used to improve the lives of people with disabilities. The results illustrate the good performance of the proposed classification algorithm. Moreover, the EOG-based system, which can detect ten different eye-movement features, can be utilized in real-life applications.
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