Pupil Center as a Function of Pupil Diameter

被引：1
|
作者：
Ahmed, Zaheer [1 ]
Mardanbegi, Diako [1 ]
Hansen, Dan Witzner [1 ]
机构：
[1] IT Univ Copenhagen, Copenhagen, Denmark
来源：
2016 ACM SYMPOSIUM ON EYE TRACKING RESEARCH & APPLICATIONS (ETRA 2016) | 2016年
关键词：
image processing; eye tracking; gaze estimation; pupil dynamics; human computer interaction;
D O I：
10.1145/2857491.2857536
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
We investigate the gaze estimation error induced by pupil size changes using simulated data. We investigate the influence of pupil diameter changes on estimated gaze point error obtained by two gaze estimation models. Simulation data show that at wider viewing angles and at small eye-camera distances, error increases with increasing pupil sizes. The maximum error recorded for refracted pupil images is 2:4 degrees of visual angle and 1:5 degrees for non-refracted pupil projections.
引用
收藏
页码：283 / 286
页数：4
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