A Simplified EM Reconstruction Algorithm for TOFPET
β Scribed by Chen, Chin-Tu; Metz, Charles E.
- Book ID
- 114663297
- Publisher
- IEEE
- Year
- 1985
- Tongue
- English
- Weight
- 756 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0018-9499
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The expectation-maximization maximum-likelihood (EM-ML) algorithm for image reconstruction in positron emission tomography (PET) essentially solves a large linear system of equations. In this paper, we study computational aspects of a recently developed preprocessing scheme for focusing the attentio
## Abstract Maximum likelihood (ML) listβmode expectation maximization (EM) reconstruction for positron emission tomography (PET) permits all acquired information to be used directly in the reconstruction process without preprocessing. This feature is particularly useful for high spatial and tempor