IOT, IP- Camera, MATLAB, PCA, Real time, Router.
 B. Obichie, "Oil exploration in Chad Basin: NNPC seeks collaboration with military.Legit.ng - Nigeria news." Available: https://www.legit.ng/1253066-oil-exploration-chad-basin-nnpc-seeks-collaboration-military.html [Accessed 19 Aug. 2019], 2019.
 M. A. O. Vasilescu and D. Terzopoulos, "Multilinear image analysis for facial recognition. In Object recognition supported by user interaction for service robots," IEEE, vol. 2, pp. 511-514, 2002.
 E. M. Hand and R. Chellappa, "Attributes for improved attributes: A multi-task network utilizing implicit and explicit relationships for facial attribute classification," in AAAI-17. Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence, 2017, pp. 1-3.
 H. Kanchwala and V. Vaidyanathan, "Facial recognition: Definition, history, working, and applications." Science ABC. Available at: https://www.scienceabc.com/innovation/facial-recognition-works.html [Accessed 4 Aug. 2019], 2019.
 Z. Liu, Z. You, A. Jain, and Y. Wang, "Face detection and facial feature extraction in color image," in International Conference on Computational Intelligence and Multimedia Applications, 2003, pp. 126-130.
 C. Lin, "Face detection in complicated backgrounds and different illumination conditions by using YCbCr color space and neural network," Pattern Recognition Letters, vol. 28, pp. 2190-2200, 2007. Available at: https://doi.org/10.1016/j.patrec.2007.07.003.
 Q.-X. Ye, J.-B. Jiao, and S.-Q. Jiang, "Fast and robust pedestrian detection algorithm with multi-scale orientation features," Ruanjian Xuebao Journal of Software, vol. 22, pp. 3004-3014, 2011. Available at: https://doi.org/10.3724/sp.j.1001.2011.03987.
 S.-H. Lin, S.-Y. Kung, and L.-J. Lin, "Face recognition/detection by probabilistic decision-based neural network," IEEE Transactions on Neural Networks, vol. 8, pp. 114-132, 1997. Available at: https://doi.org/10.1109/72.554196.
 K. Susheel Kumar, S. Prasad, V. Bhaskar Semwal, and R. Tripathi, "Real time face recognition using Ada Boost improved fast PCA algorithm," International Journal of Artificial Intelligence & Applications, vol. 2, pp. 45-58, 2011. Available at: https://doi.org/10.5121/ijaia.2011.2305.
 I. Abdel-Qader, S. Pashaie-Rad, O. Abudayyeh, and S. Yehia, "PCA-based algorithm for unsupervised bridge crack detection," Advances in Engineering Software, vol. 37, pp. 771-778, 2006. Available at: https://doi.org/10.1016/j.advengsoft.2006.06.002.