NILESH.S.SALOKHE*, J.O.CHANDLE, A. R. Noise Estimation for Images using Eigen Values and Frobenius norm. International Journal of Engineering and Computer Science, india, v. 5, n. 6, 2018. Disponível em: http://ijecs.in/index.php/ijecs/article/view/2047. Acesso em: 18 may. 2024.