Table 5.

Detection results of all models which are trained on the original training samples but tested on the COVID-19 testing samples.

	Sensitivity (%)	Specificity (%)	Accuracy (%)
Faster R-CNN [10]	73.4	92.6	83.0
Few-Shot Adaptive Faster R-CNN [20]	74.0	94.3	84.15
Domain Adaptive Faster R-CNN [19]	79.5	95.5	87.5
NIA-Network	93.0	97.4	95.2