Spherical Designs and Nonconvex Minimization for Recovery of Sparse Signals on the Sphere.
Xiaojun ChenRobert S. WomersleyPublished in: SIAM J. Imaging Sci. (2018)
Keyphrases
- spherical images
- unit sphere
- objective function
- low rank matrices
- signal reconstruction
- compressive sensing
- convex functions
- convex optimization
- image recovery
- norm minimization
- high dimensional
- signal processing
- robust principal component analysis
- image restoration and reconstruction
- compressed sensing
- global optimization
- sparse data
- signal recovery
- three dimensional
- sparse representation
- optimization problems
- regularization term
- image reconstruction
- hardi data
- low rank and sparse