Fast Streaking Artifact Reduction in CT Using Constrained Optimization in Metal Masks.
Jonas AugustTakeo KanadePublished in: MICCAI (2) (2004)
Keyphrases
- constrained optimization
- artifact reduction
- compressed images
- constraint handling
- ct images
- x ray
- objective function
- constrained optimization problems
- penalty function
- unconstrained optimization
- dct domain
- edge detection
- image compression
- visual quality
- image reconstruction
- reconstructed image
- high frequency
- lagrange multipliers
- image super resolution
- compression ratio
- linear combination
- projections onto convex sets