|本期目录/Table of Contents|

[1]沈丽丽,刘海鹏,王丛,等.旋转偏差对立体显示舒适度影响的ERP研究[J].天津大学学报(自然科学版),2017,(04):385-390.[doi:10.11784/tdxbz201509081]
 Shen Lili,Liu Haipeng,Wang Cong,et al.Study on ERP for the Effect of Rotation Distortions on Visual Comfort[J].Journal of Tianjin University,2017,(04):385-390.[doi:10.11784/tdxbz201509081]
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旋转偏差对立体显示舒适度影响的ERP研究()
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《天津大学学报(自然科学版)》[ISSN:0493-2137/CN:12-1127/N]

卷:
期数:
2017年04
页码:
385-390
栏目:
电气自动化与信息工程
出版日期:
2017-04-30

文章信息/Info

Title:
Study on ERP for the Effect of Rotation Distortions on Visual Comfort
作者:
沈丽丽 刘海鹏 王丛 岳广辉
天津大学电气自动化与信息工程学院,天津 300072
Author(s):
Shen Lili Liu Haipeng Wang Cong Yue Guanghui
School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China
关键词:
立体显示 舒适度 旋转偏差 事件相关电位
Keywords:
stereo display comfort rotation distortion event-related-potential(ERP)
分类号:
TN919.82
DOI:
10.11784/tdxbz201509081
文献标志码:
A
摘要:
影响立体显示舒适度的因素有多种, 其中左右视图的不协调是主要原因之一, 旋转偏差是影响协调性的重要因素之一.本文基于事件相关电位技术, 采用S1~S2实验范式, 研究了旋转偏差对立体显示舒适度的影响.利用左右视图的旋转偏差在大脑皮层会诱发出N270成分, 结合行为数据以及ERP波形进行分析得出, 旋转偏差超过0.72°时, 被试感觉能够察觉到明显的不协调, 随着偏差等级增大, 被试不协调感逐渐增强.行为数据的统计分析结果与ERP信号结果一致.因此立体视图左右图像的旋转偏差应该控制在0.72°以内.
Abstract:
There are lots of factors that affect visual comfort of 3D display and incongruity between two viewpoints is one of the major factors,while rotation distortion is one of the contributing factors of incongruity. Based on event-related-potential(ERP)technology and applying S1—S2 experimental paradigm,the correlation between rotation distortion and visual comfort of stereo display is studied. N270 component will be evoked while there are rotation distortions between two viewpoints. After statistical analysis of behavior data and ERP,it can be concluded that subjects cannot perceive obvious incongruity as the rotation distortions remain within 0.72° and the perception of incongruity or discomfort increases as the level of distortion rises. Statistical analysis of behavior data is highly correlated with ERP data,indicating that ERP can be used to assess the effects of rotation distortion on visual comfort. As a result,the rotation distortions of 3D displays must remain within 0.72°.

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备注/Memo

备注/Memo:
收稿日期: 2015-09-27; 修回日期: 2015-12-05.
作者简介: 沈丽丽(1978—), 女, 讲师.
通讯作者: 沈丽丽, sll@tju.edu.cn.
基金项目: 国家自然科学基金资助项目(61302123, 61520106002, 61471262).
Supported by the National Natural Science Foundation of China(No. 61302123, 61520106002, 61471262).
更新日期/Last Update: 2017-04-10