A modified OSEM algorithm for PET reconstruction using wavelet processing.
Nam-Yong LeeYong ChoiPublished in: Comput. Methods Programs Biomed. (2005)
Keyphrases
- learning algorithm
- matching algorithm
- experimental evaluation
- discrete tomography
- k means
- preprocessing
- haar wavelet
- np hard
- objective function
- multiresolution
- significant improvement
- probabilistic model
- optimization algorithm
- similarity measure
- real time
- cost function
- search space
- computational complexity
- computational cost
- high accuracy
- detection algorithm
- energy function
- image reconstruction