Robust Abnormal Event Recognition via Motion and Shape Analysis at ATM Installations

Table 5

Comparison of the recognition accuracy, recall, and precision for various MHI frames on our testing data set.

Number of MHI frames	5			10			15
	Accuracy	Precision	Recall	Accuracy	Precision	Recall	Accuracy	Precision	Recall
Single	97.08%	96.30%	95.90%	96.10%	96.20%	93.30%	86.97%	100.00%	79.80%
Multiple	89.86%	76.10%	49.10%	94.71%	81.00%	85.50%	92.44%	58.60%	47.20%
Multiple abnormal	90.00%	85.30%	95.30%	96.38%	95.90%	96.40%	87.82%	80.40%	98.20%