A Computational Study of the Focus-of-Attention EM-ML Algorithm for PET Reconstruction.
Jens GregorDean A. HuffPublished in: Parallel Comput. (1998)
Keyphrases
- expectation maximization
- focus of attention
- learning algorithm
- experimental study
- preprocessing
- cost function
- np hard
- dynamic programming
- em algorithm
- worst case
- maximum likelihood
- gradient projection
- discrete tomography
- detection algorithm
- probabilistic model
- k means
- optimal solution
- simulated annealing
- generative model
- matching algorithm
- image reconstruction
- complexity analysis
- similarity measure
- computer vision
- real time