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Iterative MAP vs FBP-MAP with β = 0.1 (i.e., small Bayesian term weighting) using noisy data.
| Iteration index k = 2 | k = 20 | k = 200 | |
|---|---|---|---|
| One iterative reconstruction |  |
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| One FBP reconstruction |  |
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| S/N image from 100 noise realizations of iterative reconstructions |  |
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| S/N image from 100 noise realizations of FBP reconstructions |  |
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| Central horizontal profiles of the S/N images (vertical scale is from 0 to 250) |  |
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