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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Imaging Med. 2010 Oct 1;2(5):529–545. doi: 10.2217/iim.10.49

Figure 7. Ordered subsets expectation-maximization reconstruction of patient data for different iterations and number of subsets.

Figure 7

(A) Ordered subsets expectation-maximization reconstruction with one subset, which is equivalent to the maximum-likelihood expectation-maximization algorithm; (B) ordered subsets expectation-maximization with five subsets; (C) ordered subsets expectation-maximization with ten subsets.