2019
DOI: 10.3390/s19173650
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24-Gaze-Point Calibration Method for Improving the Precision of AC-EOG Gaze Estimation

Abstract: This paper sought to improve the precision of the Alternating Current Electro-Occulo-Graphy (AC-EOG) gaze estimation method. The method consisted of two core techniques: To estimate eyeball movement from EOG signals and to convert signals from the eyeball movement to the gaze position. In conventional research, the estimations are computed with two EOG signals corresponding to vertical and horizontal movements. The conversion is based on the affine transformation and those parameters are computed with 24-point… Show more

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Cited by 10 publications
(7 citation statements)
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“…For both OET and EOG technologies, calibration is among the most important factors in achieving accurate eye tracking, adjusting for the individual differences caused by either geometric characteristics of the subject’s eyes or glasses’ placement. 70 , 71 …”
Section: Eye-tracking Systems’ Feasibility In the ...mentioning
confidence: 99%
“…For both OET and EOG technologies, calibration is among the most important factors in achieving accurate eye tracking, adjusting for the individual differences caused by either geometric characteristics of the subject’s eyes or glasses’ placement. 70 , 71 …”
Section: Eye-tracking Systems’ Feasibility In the ...mentioning
confidence: 99%
“…Bin Suhaimi et al [17] exploited a 24-point gazing data for which conversion is done simultaneously for presumption of an imaginary center (i.e., 25th point) on gaze coordinates with 24-point gazing data and transformation to 24-point gazing data is accomplished. To validate the results, conventional method is contrasted with the proposed method.…”
Section: Related Workmentioning
confidence: 99%
“…The ON state was returned if the signal was above the baseline threshold of the envelope signal whereas, an OFF state resulted whenever the rectified signal was below the baseline threshold. The choice of the threshold was advantageous in aiding the removal of any residual noise of the envelope signal [38]. The muscle state is defined as in (3):…”
Section: Emg Analysismentioning
confidence: 99%