Mariappan, M., M. Nadarajan, R. R. Porle, N. Parimon, and W. L. Khong. 2016. “Towards Real-Time Visual Biometric Authentication Using Human Face for Healthcare Telepresence Mobile Robots”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 8 (11):51-56. https://jtec.utem.edu.my/jtec/article/view/1409.