Fig 1.
Mean True Positive recognition performance of human observers and automatic classifiers.
Errors bars represent 95% Confidence Interval.
Fig 2.
Receiver Operating Characteristic (ROC) curves and corresponding Area Under the Curve (AUC) depicting the True Positive Rate (TPR) against the False Positive Rate (FPR) for human observers and automatic classifiers separately for posed and spontaneous expressions.
The dotted diagonal line in the ROC space indicates chance performance.