Sparse image recovery using compressed sensing over finite alphabets.
Valerio BioglioGiulio ColucciaEnrico MagliPublished in: ICIP (2014)
Keyphrases
- image recovery
- compressed sensing
- compressive sensing
- random projections
- sparse representation
- compressive sampling
- image reconstruction
- coordinate ascent
- natural images
- convex sets
- signal processing
- finite number
- orthogonal matching pursuit
- signal recovery
- dimensionality reduction
- fourier domain
- random sampling
- computer vision
- high dimensionality
- image representation
- pattern recognition
- feature extraction
- image processing