易眼:在线心理物理学的拥挤动态固定
Fengping Hu1,2, Joyce Y Chen3,4, Denis G Pelli1,5,6
1Department of Psychology, New York University, New York, NY, USA.
Journal of vision
|January 29, 2026
概括
拥挤的动态固定在线视力测试中显著改善视线控制. 这种方法使用额外的杂乱来提高固定精度,消除测试期间的错误和视.
科学领域:
- 眼科医生 眼科 眼科
- 计算机科学 计算机科学
- 人与计算机的交互
背景情况:
- 在线视力测试提供了高效的数据收集,但在使用内置的网络摄像头进行精确的目光跟踪方面存在困难.
- 传统的实验室注视跟踪是准确的,但对于广泛的在线测试来说是不可行的.
- 之前的动态固定任务提高了准确性,但并没有消除外围目标视.
研究的目的:
- 引入和评估一个新的拥挤的动态固定任务,以提高在线视力测试中的固定精度.
- 与静止和动态固定任务相比,量化固定准确度的提高和视的减少.
- 为了确定拥挤的动态固定是否可以在视力测试中消除不可思议的低外围值.
主要方法:
- 开发了一个拥挤的动态固定任务,涉及鼠标控制的光标跟踪一个移动的,杂乱的固定标记.
- 通过在外围值测量期间测量根平均正方形视线误差来评估固定精度.
- 在静止,动态和拥挤的动态固定条件中,量化了视事件的1.5°公差.
主要成果:
- 与静止固定相比,拥挤的动态固定将根平均平方视角误差减少40%.
- 偷看发生在7%的静止固定试验,1.5%的动态固定试验和0%的拥挤动态固定试验中.
- 拥挤的动态固定任务消除了不可思议的低外围值,可能是通过防止视.
结论:
- 拥挤的动态固定在线视力测试期间显著提高了视线控制和固定精度.
- 这种方法有效地防止了视,从而导致更可靠的视力测试结果.
- 拥挤的动态固定是远程视觉评估中精确的凝视控制的可行解决方案.
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