Sinu .S. Mariam, and Preetha .V.H. “Analysis Of Photo Response Non –Uniformity Noise On Images Of Different Lighting Conditions”. International Journal of Advance Engineering and Research Development (IJAERD), vol. 1, no. 5, May 2014, pp. 882-6, https://ijaerd.org/index.php/IJAERD/article/view/155.