To use Eye-tracking system is one of the effective methods to explore the perceptual span in reading.
利用眼动仪作为研究工具已成为研究阅读知觉广度的有效手段之一。
This paper detects eye pupil center in the infrared images using the edge detection and ellipse fitting, to support the research of eye-tracking system in the future.
论文利用边缘检测和椭圆拟合技术，实现了视线跟踪系统中，红外人眼图像瞳孔中心检测的功能。
After exercising, the scientists tested the cyclists with eye-tracking cameras to see how well their brains could still control their visual system.
科学家们用眼球追踪摄像机对这些骑行后的人进行测试，以了解他们大脑控制视觉系统的能力。
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