Table 2.

Overall accuracy for CXR-Pneumonia dataset.

Approach/Metrics	ACC(%)	DR(%)	FPR(%)
Generative Models
Gaussian Mixture	87.66	85.80	0.13
Gamma Mixture	90.54	88.54	0.10
Dirichlet Mixture	93.01	90.94	0.07
Scaled Dirichlet Mixture	93.33	91.90	0.07
Shifted Scaled Dirichlet Mixture	93.62	92.14	0.07
Hybrid Models
Gaussian Mixture + Fisher Kernel	88.25	86.90	0.12
Gaussian Mixture + Kullback–Leibler Kernel	88.22	86.83	0.12
Gaussian Mixture + Bhattacharyya Kernel	88.18	86.79	0.12
Gamma Mixture + Fisher Kernel	90.88	88.60	0.10
Gamma Mixture + Kullback–Leibler Kernel	90.85	88.53	0.10
Gamma Mixture + Bhattacharyya Kernel	90.84	88,51	0.10
generalized Gamma Mixture + Fisher Kernel	91.98	91.11	0.09
generalized Gamma Mixture + Kullback–Leibler Kernel	91.77	91.05	0.09
generalized Gamma Mixture + Bhattacharyya Kernel	91.75	91.02	0.09
Dirichlet Mixture + Fisher Kernel	93.01	90.94	0.07
Scaled Dirichlet Mixture + Fisher Kernel	93.33	91.90	0.07
Shifted Scaled Dirichlet Mixture + Fisher Kernel	94.83	93.99	0.06
Shifted Scaled Dirichlet Mixture + Kullback–Leibler Kernel	94.51	93.82	0.06
Shifted Scaled Dirichlet Mixture + Bhattacharyya Kernel	94.48	93.77	0.06