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

Table 5

The classification performance for pneumonia with SURF features.

Classifier model	TPR/recall (%)	FNR (%)	PPV/precision (%)	FDR (%)	F1-score (%)
Fine tree	85.00	15.0	89.50	10.70	87.20
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	98.80	1.20	97.50	2.50	98.14
Coarse Gaussian SVM	97.50	2.50	98.70	1.30	98.10
Cosine kNN	98.80	1.20	82.30	17.70	89.80
Ensemble subspace discriminant	97.50	2.50	97.50	2.50	97.50