ABSTRACT
One method successfully employed to denoise digital images is the diffusive iterative filtering. An important point of this technique is the estimation of the stopping time of the diffusion process. In this work, a stopping time criterion of the diffusive iterative filtering is proposed. It is based on the evolution of the differential entropy with the diffusion parameter. Because of computational complexity of the entropy function, it is estimated by using an approximation of 1 he entropy function.
