基于EEG的视频侦查员作业疲劳预测研究  

A Study on EEG-based Operational Fatigue Prediction for Video Investigators

作　　者：任捷 王书玥 王子航 REN Jie;WANG Shuyue;WANG Zihang(Inner Mongolia University of Science and Technology,Baotou Inner Mongolia 014010,China)

机构地区：[1]内蒙古科技大学,内蒙古包头014010

出　　处：《山西警察学院学报》2024年第4期92-99,共8页Journal of Shanxi Police College

基　　金：内蒙古自治区高校人文社会科学重点研究基地基金资助(KFSM-KDSK0208);内蒙古自治区直属高校基本科研业务费项目资金资助(2024QNJS154)。

摘　　要：为了探究视频侦查员的疲劳状况及其疲劳监测方法,通过采集视频侦查员的脑电(EEG)数据和主观问卷数据,建立基于BP神经网络模型的疲劳程度预测系统。实验共招募了12名视频侦查员作为被试,使用EEG设备记录他们在执行特定侦查任务时的脑电信号。提取α/β、θ/β、(α+θ)/β和(α+θ)/(α+β)等脑电特征值作为疲劳检测的生理指标,并结合主观量表数据,构建BP神经网络模型来预测视频侦查员工作前后的疲劳状态。实验结果显示,通过对所有通道脑电信号特征值的配对t检验,识别出4个显著通道的特征值,这些特征值在预测视频侦查员疲劳状态方面表现出较高的准确性。基于这些特征值,建立的BP神经网络模型在预测视频侦查员疲劳状态时的拟合精度为84.348%。本研究提出的疲劳监测方法不仅为视频侦查员合理地工作调度提供了科学依据,还有助于提高他们在工作中的决策效率。此外,该方法也为相关疲劳检测技术的研发提供了技术手段和理论基础,对于提升公共安全领域的工作效率和质量具有重要意义。The study is to explore the fatigue status of video investigators and provide fatigue monitoring methods.By collecting the electroencephalogram(EEG)data and subjective questionnaire data of video scouts,a fatigue prediction system based on BP neural network model was established.A total of 12 video investigators were recruited as subjects and their EEG signals were recorded using EEG devices when performing specific reconnaissance tasks.The EEG eigenvalues ofα/β,θ/β,(α+θ)/βand(α+θ)/(α+β)were extracted as physiological indicators for fatigue detection,and combined with the subjective scale data,a BP neural network model was constructed to predict the fatigue state of video scouts before and after work.The experimental results show that the eigenvalues of four significant channels are identified by pairing t-test of the eigenvalues of all channels,and these eigenvalues show high accuracy in predicting the fatigue state of video scouts.Based on these eigenvalues,the fitting accuracy of the established BP neural network model in predicting the fatigue state of video scouts is 84.348%.The fatigue monitoring method proposed in this study not only provides a scientific basis for the work scheduling of video investigators,but also helps to improve their decision-making efficiency at work.In addition,this method also provides a technical means and theoretical basis for the research and development of related fatigue detection technologies,which is of great significance for improving the efficiency and quality of the work in the field of public safety.

关 键 词：视频侦查员 作业疲劳 EEG BP神经网络 

分 类 号：D631.1[政治法律—政治学] X959[政治法律—中外政治制度]