@conference {icip09, title = {Skewed Log-Stable model for natural images pixel block-variance}, booktitle = {IEEE International Conference on Image Processing (ICIP)}, year = {2009}, month = {November}, publisher = {IEEE}, organization = {IEEE}, address = {Cairo, Egypt}, keywords = {Doubly stochastic model, Image block-variance, Log-stable distribution, Lognormal distribution, watermarking}, author = {Juan Ram{\'o}n Troncoso-Pastoriza and Fernando P{\'e}rez-Gonz{\'a}lez} }