Achievable Angles Between two Compressed Sparse Vectors Under Norm/Distance Constraints Imposed by the Restricted Isometry Property: A Plane Geometry Approach.
Ling-Hua ChangJwo-Yuh WuPublished in: CoRR (2012)
Keyphrases
- three dimensional
- distance measure
- geometric constraints
- relative position
- euclidean geometry
- euclidean distance
- geometrical constraints
- data structure
- high dimensional
- distance metric
- vector field
- ordered labeled trees
- mixed norm
- hilbert space
- sparse representation
- distance function
- feature vectors
- global consistency
- distance transform
- triangle inequality
- regularized least squares
- group lasso
- structured sparsity
- robust principal component analysis
- similarity measure