Preconditioned Douglas-Rachford Algorithms for TV- and TGV-Regularized Variational Imaging Problems.
Kristian BrediesHongpeng SunPublished in: J. Math. Imaging Vis. (2015)
Keyphrases
- optimization problems
- benchmark problems
- iterative methods
- related problems
- least squares
- estimation problems
- image segmentation
- difficult problems
- practical problems
- test problems
- learning algorithm
- search methods
- significant improvement
- constrained optimization
- computationally expensive
- computational cost
- partial solutions
- problems in computer vision
- iterative algorithms
- theoretical guarantees
- image processing