2D PET Image Reconstruction Using Robust L1 Estimation of the Gaussian Mixture Model.
Azra TafroDamir SersicAna Sovic KrzicPublished in: Informatica (2022)
Keyphrases
- image reconstruction
- gaussian mixture model
- mixture model
- positron emission tomography
- image reconstruction algorithms
- density estimation
- super resolution
- emission computed tomography
- maximum a posteriori
- em algorithm
- maximum likelihood criterion
- feature vectors
- radon transform
- signal reconstruction
- reconstruction method
- maximum likelihood
- expectation maximization
- background subtraction
- probability density function
- sparsely sampled
- multiscale
- principal component analysis
- feature space