Score-Based Generative Models for PET Image Reconstruction.
Imraj RD SinghAlexander DenkerRiccardo BarbanoZeljko KeretaBangti JinKris ThielemansPeter MaassSimon R. ArridgePublished in: CoRR (2023)
Keyphrases
- image reconstruction
- generative model
- image reconstruction algorithms
- positron emission tomography
- probabilistic model
- mixture model
- super resolution
- discriminative models
- emission computed tomography
- discriminative learning
- em algorithm
- conditional random fields
- prior knowledge
- maximum a posteriori
- reconstruction method
- hierarchical hidden markov models
- zernike moments
- semi supervised
- object categories
- semi supervised learning
- sparsely sampled
- generative and discriminative models
- multiscale
- learning tasks
- expectation maximization
- feature selection