K. Karuppasamy, G. Shruthi, C. Sathish, B. Viswamithran, and M. Vinisha, “Face Detection OpenCV Based ATM Security System”, IJRESM, vol. 4, no. 8, pp. 78–82, Aug. 2021, Accessed: May 07, 2024. [Online]. Available: https://journal.ijresm.com/index.php/ijresm/article/view/1184