An Interpretable Denoising Layer for Neural Networks Based on Reproducing Kernel Hilbert Space and its Application in Machine Fault Diagnosis

Chinese Journal of Mechanical Engineering

Table 3 Classification accuracy of the CNN based experiment (%)

Additional noise level	Original	10 dB	5 dB	0 dB	−5 dB
CNN	96.60	93.56	90.20	80.68	63.92
CNN with the denoising layer	97.04	95.24	92.32	83.64	67.88