Table 1.
Comparison of classification performance of algorithms: Sparse (classification algorithm based on dictionary learning and sparse coding), KDA (Kernel Discriminant Analysis), and SVM with linear, quadratic, rbf (Gaussian radial basis function) and polynomial kernels. All units are in %.
Sparse | KDA | SVM linear |
SVM quad |
SVM rbf |
SVM poly |
|
---|---|---|---|---|---|---|
3-class | 90.05 | 99.12 | 94.27 | 91.89 | 91.44 | 88.22 |
4-class | 85.87 | 78.65 | 90.03 | 83.47 | 81.84 | 82.58 |