MAP entropy estimation: applications in robust image filtering J. I. de la Rosa, J. Villa-Hernandez, E. de la Rosa M., E. Gonzalez-Ramirez, O. Gutierrez, N. Escalante, R. Ivanov and G. Fleury J. Eur. Opt. Soc.-Rapid Publ., 8 (2013) 13047 Published online: 14 July 2013 DOI: 10.2971/jeos.2013.13047