Comparison of 3-D reconstruction with 3D-OSEM and with FORE+OSEM for PET.

The combination of Fourier rebinning (FORE) and the ordered subsets expectation-maximization (OSEM), a fast statistical algorithm, appears as a promising alternative to the fully three-dimensional (3-D) iterative approach for clinical positron emission tomography (PET) data. Here, the authors evalua...

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發表在:	IEEE Transactions on medical imaging 20, 8 (2001).
主要作者:	Xuan Liu
格式:	Article
語言:	English
主題:	3-D reconstruction. 3D-OSEM. FORE+OSEM. PET. Attenuation-normalization weighting. Fast statistical algorithm. Fully three-dimensional iterative approach. Line integral model. Medical diagnostic imaging. Noisy clinical PET data. Nuclear medicine. Ordered subsets expectation-maximization. Shifted-Poisson model. System matrix.