Table 4 Evaluation metrices.

From: Novel 59-layer dense inception network for robust deepfake identification

Metric

Formula

Focus

Accuracy

(TP + TN) / (TP + TN + FP + FN)

Overall correctness

Precision

TP / (TP + FP)

Deepfake prediction accuracy

Recall

TP / (TP + FN)

Deepfake detection ability

F1-Score

2TP / (2TP + FP + FN)

Balance between Precision & Recall

Specificity

TN / (TN + FP)

Real class detection

False Positive Rate (FPR)

FP / (FP + TN)

False alarms on real data

ROC-AUC

Area under TPR vs. FPR curve

Overall classification ability

PR-AUC

Area under Precision vs. Recall curve

Minority class performance