Image reconstruction from partial Fourier measurements via curl constrained sparse gradient estimation.
Chiara RavazziGiulio ColucciaEnrico MagliPublished in: ICASSP (2017)
Keyphrases
- image reconstruction
- objective function
- gradient estimation
- compressed sensing
- radon transform
- signal reconstruction
- reconstructed image
- random projections
- super resolution
- sparsely sampled
- reconstruction method
- variance reduction
- emission computed tomography
- vector field
- image reconstruction algorithms
- inverse problems
- emission tomography
- tomographic reconstruction
- maximum a posteriori
- limited angle
- zernike moments
- synthetic aperture radar
- compressive sensing
- fourier transform
- sparse representation
- high dimensional