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math.OC2017
Adaptive FISTA for Non-convex Optimization
Peter Ochs, Thomas Pock
In this paper we propose an adaptively extrapolated proximal gradient method, which is based on the accelerated proximal gradient method (also known as FISTA), however we locally o…
math.OC2017
Non-smooth Non-convex Bregman Minimization: Unification and new Algorithms
Peter Ochs, Jalal Fadili, Thomas Brox
We propose a unifying algorithm for non-smooth non-convex optimization. The algorithm approximates the objective function by a convex model function and finds an approximate (Bregm…