Riemannian SVRG: Fast Stochastic Optimization on Riemannian Manifolds.
Hongyi ZhangSashank J. ReddiSuvrit SraPublished in: NIPS (2016)
Keyphrases
- stochastic optimization
- riemannian manifolds
- euclidean space
- multistage
- lie group
- vector space
- parameter space
- geometric structure
- feature space
- geodesic distance
- mean shift
- log euclidean
- riemannian metric
- multi class classification
- symmetric positive definite
- tangent space
- reproducing kernel hilbert space
- metric space
- covariance matrices
- euclidean distance
- manifold learning
- robust optimization
- range queries
- covariance matrix