Table 9.

Dual_Pachi SGD optimizer implementation Receiver Operating Characteristic (ROC) and Precision-Recall (PR) classification Result. The parameter employed includes Lr; ${10}^{-4}$ and ${10}^{-3}$, Loss function; Categorical_smooth_loss and categorical cross-entropy.

ROC (Area)	Macro-Average	Micro-Average	COVID-19	Normal	Pneumonia
Optimizer: SGD, Lr: ${\mathbf{10}}^{-\mathbf{4}}$, Lf: categorical_smooth_loss
Without Bl. 3	0.92	0.92	0.93	0.88	0.93
Dual_Pachi	0.95	0.95	0.97	0.92	0.97
Opt: SGD, Lr:${\mathbf{10}}^{-\mathbf{3}}$, Lf: categorical_smooth_loss
Without Bl. 3	0.86	0.87	0.90	0.82	0.88
Dual_Pachi	0.90	0.91	0.94	0.84	0.93
Opt: SGD, Lr:${\mathbf{10}}^{-\mathbf{4}}$, Lf: categorical cross-entropy
Without Bl. 3	0.93	0.93	0.96	0.90	0.92
Dual_Pachi	0.94	0.94	0.93	0.93	0.97
Opt: SGD, Lr:${\mathbf{10}}^{-\mathbf{3}}$, Lf: categorical cross-entropy
Without Bl. 3	0.91	0.91	0.93	0.87	0.92
Dual_Pachi	0.91	0.91	0.93	0.87	0.92

Precision-Recall (AP)	Micro-Average	COVID-19	Normal	Pneumonia
Opt: SGD, Lr:${\mathbf{10}}^{-\mathbf{4}}$, Lf: categorical_smooth_loss
Without Bl. 3	0.83	0.81	0.79	0.88
Dual_Pachi	0.90	0.93	0.86	0.91
Opt: SGD, Lr:${\mathbf{10}}^{-\mathbf{3}}$, Lf: categorical_smooth_loss
Without Bl. 3	0.73	0.75	0.71	0.75
Dual_Pachi	0.80	0.85	0.76	0.81
Opt: SGD, Lr:${\mathbf{10}}^{-\mathbf{4}}$, Lf: categorical cross-entropy
Without Bl. 3	0.85	0.86	0.79	0.89
Dual_Pachi	0.88	0.89	0.82	0.93
Opt: SGD, Lr:${\mathbf{10}}^{-\mathbf{3}}$, Lf: categorical cross-entropy
Without Bl. 3	0.81	0.83	0.77	0.83
Dual_Pachi	0.81	0.81	0.79	0.84