Sparse Recovery in Convex Hulls of Infinite Dictionaries.
Vladimir KoltchinskiiStas MinskerPublished in: COLT (2010)
Keyphrases
- convex hull
- sparse representation
- sparse coding
- closest points
- convex sets
- finite dimensional
- compressive sensing
- hyperplane
- point sets
- sparse approximations
- linearly separable
- feasible solution
- computational geometry
- extreme points
- dimensionality reduction
- data points
- high dimensional
- closed form
- geometric properties
- semi supervised
- support vector machine
- infinite dimensional
- convex concave
- feature space
- face recognition