Computationally efficient radio astronomical image formation using constrained least squares and and the MVDR beamformer.
Ahmad Mouri SardarabadiAmir LeshemAlle-Jan van der VeenPublished in: ICASSP (2015)
Keyphrases
- image formation
- constrained least squares
- computationally efficient
- minimum variance
- regularized least squares
- regularization parameter
- negative matrix factorization
- signal processing
- basis vectors
- motion blur
- nonnegative matrix factorization
- computational complexity
- least squares
- signal to noise ratio
- three dimensional
- cross validation
- sparse representation
- support vector
- multiscale