Arya Astawa, I Nyoman Gede, 		Darma Putra, I Ketut Gede, 		Sudarma, I Made, AND 		Hartati, Rukmi Sari.
" Measurement of Face Detection Accuracy Using Intensity Normalization Method and Homomorphic Filtering" <em>International Journal of Engineering and Emerging Technology</em> [Online], Volume 2 Number 1 (23 September 2017)