表 3. Comparison of fatigue classification accuracy (in%) based on the combination of denoising algorithm and classifi cation algorithm.

不同去噪方法对疲劳识别算法准确度影响对比

去噪方法	LSTM	CNN	PSO-SVM
硬阈值函数去噪方法	80.92%	77.71%	73.85%
软阈值函数去噪方法	86.47%	81.83%	80.66%
改进阈值函数去噪方法	95.19%	92.72%	90.30%