Greedy pursuits assisted basis pursuit for compressive sensing.
Sathiya NarayananSujit Kumar SahooAnamitra MakurPublished in: EUSIPCO (2015)
Keyphrases
- compressive sensing
- basis pursuit
- compressed sensing
- random projections
- orthogonal matching pursuit
- denoising
- compressive sampling
- sparse representation
- convex optimization
- greedy algorithm
- image reconstruction
- total variation
- signal processing
- proximal point algorithm
- dimensionality reduction
- image representation
- feature selection
- original data
- wavelet domain
- dimension reduction
- image processing
- raw data
- hash functions
- machine learning
- high dimensionality
- image denoising
- high dimensional data
- natural images
- low dimensional
- computer vision