Evaluating sparsity penalty functions for combined compressed sensing and parallel MRI.
Daniel S. WellerJonathan R. PolimeniLeo J. GradyLawrence L. WaldElfar AdalsteinssonVivek K. GoyalPublished in: ISBI (2011)
Keyphrases
- compressed sensing
- penalty functions
- compressive sampling
- sparse representation
- image reconstruction
- compressive sensing
- random projections
- penalty function
- orthogonal matching pursuit
- natural images
- constrained optimization
- signal processing
- high resolution
- super resolution
- estimation problems
- genetic algorithm
- high dimensional
- least squares
- fourier domain
- image classification
- multiscale
- face recognition