Table 6 Comparison of classification accuracy and execution time of the proposed feature for the optimum no. of VMFs and the TD feature vector.

From: Enhanced spectro-temporal feature extraction for prosthetic control using variational mode decomposition

Feature Vector

VMD-SVD

Time-domain

Execution time (s)

0.31 ± 0.08

0.26 ± 0.05

Dimensionality

Nx18

Nx24

Classification accuracy

(%)

KNN

95.32 ± 0.58

82.50 ± 0.53

Random forest

95.12 ± 0.31

92.04 ± 0.36

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