Robot Ground Media Classification Based on Hilbert–Huang Transform and Attention-Based Spatiotemporal Coupled Network

Table 4

Comparison of our proposed method with other common methods in the field (HHT spectrograms refers to the CNN-based of HHT spectrograms image classification method).

Other common methods	Accuracy (%)	Inference time (ms)
PSO-SVM	61.07	37
PCASVM	65.11	39
DWT + Random forest	80.74	35
HHT spectrograms	71.28	72
Ours model	83.14	66