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BOLD Noise Assumptions in fMRI
This paper discusses the assumption of Gaussian noise in the blood-oxygenation-dependent (BOLD) contrast for functional MRI (fMRI). In principle, magnitudes in MRI images follow a Rice distribution. We start by reviewing differences between Rician and Gaussian noise. An analytic expression is derive...
| 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/PMC2324015/ https://www.ncbi.nlm.nih.gov/pubmed/23165015 http://dx.doi.org/10.1155/IJBI/2006/12014 |