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Study of electroencephalography-based objective stereoscopic visual fatigue evaluation

机译：基于脑电图的客观立体视觉疲劳评估研究

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摘要

Stereoscopic display technology has attracted much attention owing to its important applications in many aspects of our daily life. Nevertheless, visual fatigue caused by accommodation-vergence conflict affects viewers' comfort and its evaluation remains a critical issue. A monotonous and repetitive random dot stereogram based experiment is designed to induce visual fatigue and an objective electroencephalography-based evaluation method is proposed in this paper, in which relative energy spectra of 6, a and p frequency bands are computed respectively. Such statistical analysis techniques as paired-t test and analysis of variance are applied to compare features between alert and fatigue stages and the comparison result shows that a activity changes more significantly compared with that of p and G activities. It has also been found in the experimental results that a activity shows stable significant increase with the progress of experiment, especially in the frontal site, which indicates that a wave can be a promising indicator for stereoscopic visual fatigue evaluation.
机译：立体显示技术由于其在我们日常生活的许多方面的重要应用而备受关注。然而，由住宿与收敛冲突引起的视觉疲劳会影响观众的舒适度，其评估仍然是一个关键问题。设计了单调且重复的随机点立体图实验，以诱发视觉疲劳，并提出了一种基于脑电图的客观评价方法，分别计算了6，a和p频段的相对能谱。诸如配对t检验和方差分析之类的统计分析技术被用于比较警报和疲劳阶段之间的特征，并且比较结果表明，与p和G活动相比，活动变化更为显着。在实验结果中还发现，随着实验的进行，特别是在额叶部位，活性显示出稳定的显着增加，这表明波浪波可以作为评估立体视觉疲劳的有前途的指标。

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