Keyphrases
- compressed sensing
- compressive sampling
- sparse representation
- basis pursuit
- image reconstruction
- compressive sensing
- random projections
- orthogonal matching pursuit
- natural images
- signal processing
- face recognition
- dimensionality reduction
- high dimensional
- data sets
- high dimensional data
- wavelet transform
- wavelet domain
- feature space
- pattern recognition
- high quality
- machine learning