A model-based method with geometric solutions for gaze correction in eye-tracking

被引：4
|
作者：
Zheng, Xiujuan [1 ]
Li, Zhanheng [1 ]
Chun, Xinyi [1 ]
Yang, Xiaomei [1 ]
Liu, Kai [1 ]
机构：
[1] Sichuan Univ, Coll Elect Engn, Chengdu 610065, Sichuan, Peoples R China
来源：
MATHEMATICAL BIOSCIENCES AND ENGINEERING | 2020年 / 17卷 / 02期
关键词：
gaze points; correction; eye tracking; eye-ball model; myopia and strabismus;
D O I：
10.3934/mbe.2020071
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The eyeball distortions caused by eye diseases, such as myopia and strabismus, can lead to the deviations of eye-tracking data. In this paper, a model-based method with geometric solutions is proposed for gaze correction. The deviations of estimated gaze points are geometrically analyzed based on the individual eyeball models with considerations of the distortions caused by myopia and strabismus. A set of integrated geometric solutions is derived from the varied situations including the case of strabismus and the case of myopia and strabismus, and then used for gaze correction in eye-tracking. The experimental results demonstrate that this model-based method is effective to reduce deviations in estimated gaze points, and can be used to correct the modeling error in eye-tracking. Moreover, the proposed method has the potential to provide a simple approach to correct the eyetracking data for various populations with eye diseases.
引用
收藏
页码：1396 / 1412
页数：17
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