SUGAR (Stein Unbiased GrAdient estimator of the Risk)

This is a Matlab script implementing the method described in

C. Deledalle, S. Vaiter, G. Peyré, J. Fadili. Stein Unbiased GrAdient estimator of the Risk (SUGAR) for multiple parameter selection. SIAM Journal on Imaging Sciences, 7(4), pp. 2448–2487, 2014.

Installation

Just clone the project.

Usage

Have a look at the example*.m files.