“Face Recognition under Illumination Changes Using Color Fast and Adaptive Bi-Directional Empirical Mode Decomposition”. Journal of Engineering and Sustainable Development 16, no. 4 (December 1, 2012): 273–286. Accessed May 19, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1243.