Table 19.

Hyperparameters chosen with random search for each architecture.

	lr	random rotation	brightness	horizontal flip	center crop	contrast
COVID-19 CT & Radiograph Image Data Stock multiclass Radiograph
ResNet-18	0.001		+	+
ResNet-50	0.001
DenseNet-169	0.001		+	+
WideResNet-50	0.00001	+		+		+
DenseNet-121+	0.001	+
COVID-CT
ResNet-18	0.001		+	+	+	+
ResNet-50	0.0001		+			+
DenseNet-169	0.0001	+
WideResNet-50	0.0001		+	+		+
DenseNet-121+	0.00001	+