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Preconditioned Alternating Projection Algorithms for Maximum a Posteriori ECT Reconstruction
We propose a preconditioned alternating projection algorithm (PAPA) for solving the maximum a posteriori (MAP) emission computed tomography (ECT) reconstruction problem. Specifically, we formulate the reconstruction problem as a constrained convex optimization problem with the total variation (TV) r...
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| Hlavní autoři: | , , , |
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| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
2012
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3529588/ https://ncbi.nlm.nih.gov/pubmed/23271835 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1088/0266-5611/28/11/115005 |
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