Keyphrases
- compressed sensing
- hard thresholding
- image reconstruction
- denoising
- natural images
- image denoising
- random projections
- sparse representation
- wavelet coefficients
- image processing
- fourier domain
- noisy images
- signal processing
- radon transform
- fourier transform
- data sets
- standard deviation
- linear combination
- super resolution
- dimensionality reduction