Semi-Huber quadratic function and comparative study of some MRFs for Bayesian image restorationJ. I. de la Rosa, J. Villa-Hernández, E. González-Ramírez, E. de la Rosa M., O. Gutiérrez, C. Olvera-Olvera, R. Castañeda-Miranda and G. FleuryJ. Eur. Opt. Soc.-Rapid Publ., 8 (2013) 13072DOI: https://doi.org/10.2971/jeos.2013.13072