Proximal Gradient Method for Nonsmooth Optimization over the Stiefel Manifold.
Shixiang ChenShiqian MaAnthony Man-Cho SoTong ZhangPublished in: SIAM J. Optim. (2020)
Keyphrases
- gradient method
- derivative free
- optimization methods
- euclidean space
- convergence rate
- optimization problems
- optimization algorithm
- convex formulation
- step size
- negative matrix factorization
- optimization method
- image restoration and reconstruction
- global optimization
- low dimensional
- high dimensional
- markov random field
- natural language processing
- pairwise
- multiscale
- feature selection
- computer vision
- data mining