Deep Learning Enabled Fault Diagnosis Using Time-Frequency Image Analysis of Rolling Element Bearings

Table 25

-measure for CWR data set.

Image type	Proposed CNN architecture	Architecture 1	Architecture 2
Scalogram 32 × 32	98.7%	99.2%	92.8%
Scalogram 96 × 96	99.5%	99.8%	96.4%
Spectrogram 32 × 32	98.0%	98.4%	95.8%
Spectrogram 96 × 96	99.5%	99.7%	96.4%
HHT 32 × 32	84.0%	85.4%	74.4%
HHT 96 × 96	97.0%	97.2%	82.1%