Kuntal Roy

Accelerated Plug-and-Play Davis-Yin Splitting for Nonconvex Image Reconstruction

In this work, we study a class of structured non-convex and non-smooth optimization problems arising in imaging applications, where the objective is the sum of three functions. We consider the Davis-Yin splitting method, a FISTA-type accelerated variant, along with a quasi-Newton line-search method and a plug-and-play...