Reconstruction of X-Ray Fluorescence Computed Tomography From Sparse-View Projections via L1-Norm Regularized EM Algorithm.
Junwei ShiDaiki HaraWensi TaoNesrin DoganAlan PollackJohn Chetley FordPublished in: IEEE Access (2020)
Keyphrases
- em algorithm
- cone beam
- x ray
- computed tomography
- projection images
- medical imaging
- ct images
- expectation maximization
- ct scans
- fan beam
- cone beam ct
- maximum likelihood
- discrete tomography
- three dimensional
- image reconstruction
- medical images
- x ray images
- intraoperative
- image analysis
- low dose
- filtered back projection
- computer tomography
- radon transform
- tomographic reconstruction
- ct data
- magnetic resonance images
- anatomical structures
- magnetic resonance imaging
- multiple views
- image registration
- probabilistic model
- imaging modalities
- computer aided diagnosis
- maximum a posteriori
- image sequences