Gridless compressed sensing under shift-invariant sampling.
Christian SteffensWassim SuleimanAlexander SorgMarius PesaventoPublished in: ICASSP (2017)
Keyphrases
- compressed sensing
- shift invariant
- sparse coding
- image reconstruction
- sparse representation
- wavelet domain
- rotation invariant
- natural images
- wavelet coefficients
- random projections
- random sampling
- discrete wavelet transform
- signal processing
- multiresolution
- edge preserving
- higher order
- data sets
- blurred images
- wavelet transform
- image patches
- multiscale
- image classification
- high quality
- image processing
- feature selection