Sinogram upsampling using Primal-Dual UNet for undersampled CT and radial MRI reconstruction.
Philipp ErnstSoumick ChatterjeeGeorg RoseOliver SpeckAndreas NürnbergerPublished in: Neural Networks (2023)
Keyphrases
- primal dual
- computer tomography
- magnetic resonance imaging
- medical images
- linear programming
- fan beam
- computerized tomography
- image reconstruction
- mri images
- reconstructed image
- radon transform
- ct images
- high resolution
- affine scaling
- multislice
- linear program
- approximation algorithms
- convex optimization
- computed tomography
- medical imaging
- convergence rate
- interior point methods
- ct scans
- linear programming problems
- low resolution
- variational inequalities
- semidefinite programming
- interior point algorithm
- three dimensional
- cone beam
- x ray
- limited angle
- algorithm for linear programming
- magnetic resonance images
- positron emission tomography
- simplex algorithm
- mr images
- interior point
- saddle point
- image compression
- simplex method
- tomographic reconstruction
- motion artifacts
- magnetic resonance
- integer programming
- reinforcement learning