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Comparison of Quadratic- and Median-Based Roughness Penalties for Penalized-Likelihood Sinogram Restoration in Computed Tomography
We have compared the performance of two different penalty choices for a penalized-likelihood sinogram-restoration strategy we have been developing. One is a quadratic penalty we have employed previously and the other is a new median-based penalty. We compared the approaches to a noniterative adaptiv...
| Autores principales: | , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
Hindawi Publishing Corporation
2006
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2324011/ https://www.ncbi.nlm.nih.gov/pubmed/23165029 http://dx.doi.org/10.1155/IJBI/2006/41380 |