Covariance-Preconditioned Iterative Methods for Nonnegatively Constrained Astronomical Imaging.
Johnathan M. BardsleyJames G. NagyPublished in: SIAM J. Matrix Anal. Appl. (2006)
Keyphrases
- iterative methods
- computationally expensive
- image reconstruction from projections
- filtered back projection
- constrained optimization
- image processing
- imaging systems
- iterative algorithms
- tomographic image reconstruction
- high resolution
- conjugate gradient method
- medical imaging
- machine learning
- multi objective
- clinical applications
- fan beam