Chest X-Ray Images to Differentiate COVID-19 from Pneumonia with Artificial Intelligence Techniques

Table 4

The classification performance for COVID-19 with SURF features.

Classifier model	TPR/recall (%)	FNR (%)	PPV/precision (%)	FDR (%)	F1-score (%)
Fine tree	90.00	10.00	85.70	14.30	87.80
Linear discriminant	97.50	2.50	97.50	2.50	97.50
Logistic regression	97.50	2.50	97.50	2.50	97.50
Linear SVM	97.50	2.50	98.70	1.30	98.10
Coarse Gaussian SVM	98.80	1.20	97.50	2.50	98.15
Cosine kNN	78.80	21.30	98.40	1.60	87.51
Ensemble subspace discriminant	97.50	2.50	97.50	2.50	97.50