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ISSN : 1226-9654

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Vol.22 No.1
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Development and Validation of a Low-Cost Eye-Tracking Device

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2010, v.22 no.1, pp.95-107
https://doi.org/10.22172/cogbio.2010.22.1.007



& (2010). Development and Validation of a Low-Cost Eye-Tracking Device. The Korean Journal of Cognitive and Biological Psychology, 22(1), 95-107, https://doi.org/10.22172/cogbio.2010.22.1.007
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Abstract

This study introduced the development of a ‘low-cost eye-tracking device’ using a common web camera, an infra-red light, and PC. Two experiments were conducted to validate the utility of the eye-tracking device. In experiment 1, using a 25 fixation point display and an artificial face, the spatial resolution of the device was examined. In experiment 2, manipulating the presence/absence of the change-cue, we tried to replicate the change-blindness experiment by Levin & Simons(1997), and examined the eye-movement patterns for each condition. As results, it was observed that the number of fixation points in the change-cue condition were 92% higher, and the maximum fixation-dwelling time were 58% shorter than those in the no-cue condition. Finally, limitations and future developments of a low-cost eye-tracking device were discussed.

keywords
eye-movement, eye-tracking device, change-blindness, calibration, 안구운동, 안구운동추적 장치, 변화맹시

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