Table 1.
Overall accuracy for the chest x-rays (CXR)-COVID dataset.
Approach/Metrics | ACC(%) | DR(%) | FPR(%) |
---|---|---|---|
Generative Models | |||
Gaussian Mixture | 82.11 | 81.02 | 0.18 |
Gamma Mixture | 85.22 | 83.76 | 0.16 |
Dirichlet Mixture | 87.80 | 85.92 | 0.13 |
Scaled Dirichlet Mixture | 87.96 | 86.02 | 0.13 |
Shifted Scaled Dirichlet Mixture | 88.01 | 86.12 | 0.12 |
Hybrid Models | |||
Gaussian Mixture + Fisher Kernel | 83.43 | 82.29 | 0.17 |
Gaussian Mixture + Kullback–Leibler Kernel | 83.27 | 82.20 | 0.17 |
Gaussian Mixture + Bhattacharyya Kernel | 83.25 | 82.18 | 0.17 |
Gamma Mixture + Fisher Kernel | 86.01 | 84.11 | 0.16 |
Gamma Mixture + Kullback–Leibler Kernel | 85.99 | 84.08 | 0.16 |
Gamma Mixture + Bhattacharyya Kernel | 85.94 | 84.03 | 0.16 |
generalized Gamma Mixture + Fisher Kernel | 87.01 | 87.90 | 0.12 |
generalized Gamma Mixture + Kullback–Leibler Kernel | 87.71 | 87.01 | 0.12 |
generalized Gamma Mixture + Bhattacharyya Kernel | 87.67 | 86.96 | 0.12 |
Dirichlet Mixture + Fisher Kernel | 87.80 | 85.92 | 0.13 |
Scaled Dirichlet Mixture + Fisher Kernel | 87.96 | 86.02 | 0.13 |
Shifted Scaled Dirichlet Mixture + Fisher Kernel | 88.81 | 86.91 | 0.11 |
Shifted Scaled Dirichlet Mixture + Kullback–Leibler Kernel | 88.77 | 86.85 | 0.11 |
Shifted Scaled Dirichlet Mixture + Bhattacharyya Kernel | 88.74 | 86.82 | 0.11 |