V. M. Jimenez-Fernandez, H. Vazquez-Leal, U. A. Filobello-Nino, M. Jimenez-Fernandez, L. J. Morales-Mendoza, and M. Gonzalez-Lee, “Exploring the use of two-dimensional piecewise-linear functions as analternative model for representing and processing grayscale-images”, JART, vol. 14, no. 5, Oct. 2016.