The Impact of Color Rendering on Visual Fatigue in Interior Zone of Tunnel

Liu, Peng; Dong, Lili; Jiang, Yingqi

doi:10.1051/e3sconf/202127602008

Cited by 2 publications

(1 citation statement)

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“…In many cases, the scores of these subjective scales are regarded as the 'gold standard' (Heuer et al, 1989;Hayes et al, 2007). From an objective point of view, the existing fatigue quantitative methods, such as critical flicker frequency (Benedetto et al, 2013;Liu et al, 2021), EEG (Lee et al, 2021), and eye movement (Feng and Chen, 2021;Sugimoto et al, 2022), have a certain effect. Among them, CCA is often used to qualitatively or quantitatively analyze the fatigue of EEG signals.…”

Section: Introductionmentioning

confidence: 99%

A quantization algorithm of visual fatigue based on underdamped second order stochastic resonance for steady state visual evoked potentials

Tian,

Xu,

Han

et al. 2023

Front. Neurosci.

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IntroductionIn recent years, more and more attention has been paid to the visual fatigue caused by steady state visual evoked potential (SSVEP) paradigm. It is well known that the large-scale application of brain-computer interface is closely related to SSVEP, and the fatigue caused by SSVEP paradigm leads to the reduction of application effect. At present, the mainstream method of objectively quantifying visual fatigue in SSVEP paradigm is based on traditional canonical correlation analysis (CCA).MethodsIn this paper, we propose a new SSVEP paradigm visual fatigue quantification algorithm based on underdamped second-order stochastic resonance (USSR) to accurately quantify visual fatigue caused by SSVEP paradigm in different working modes using single-channel electroencephalogram (EEG) signals. This scheme uses the fixed-step energy parameter optimization algorithm we designed, combined with the USSR model, to significantly improve the signal-to-noise ratio of the processed signal at the target characteristic frequency. We not only compared the new algorithm with CCA, but also with the traditional subjective quantitative visual fatigue gold standard Likert fatigue scale.ResultsThere was no significant difference (p = 0.090) between the quantitative value of paradigm fatigue obtained by the single channel SSVEP processed by the new algorithm and the gold standard of subjective fatigue quantification, while there was a significant difference (p < 0.001***) between the quantitative value of paradigm fatigue obtained by the traditional multi-channel CCA algorithm and the gold standard of subjective fatigue quantification.DiscussionThe conclusion shows that the quantization value obtained by the new algorithm can better match the subjective gold standard score, which also shows that the new algorithm is more reliable, which reflects the superiority of the new algorithm.

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