Faster PET Reconstruction with Non-Smooth Priors by Randomization and Preconditioning.
Matthias J. EhrhardtPawel MarkiewiczCarola-Bibiane SchönliebPublished in: CoRR (2018)
Keyphrases
- image reconstruction
- positron emission tomography
- inverse problems
- maximum a posteriori
- reconstructed image
- image reconstruction algorithms
- emission tomography
- three dimensional
- edge preserving
- privacy preserving
- bayesian framework
- poisson noise
- reconstruction error
- primal dual
- reconstruction process
- human brain
- optical flow computation
- conjugate gradient
- brain imaging
- super resolution
- video sequences
- smoothness prior
- computer vision