The rician distribution of noisy mri dat
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HΓ‘Kon Gudbjartsson; Samuel Patz
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Article
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1995
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John Wiley and Sons
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English
β 418 KB
## Abstract The image intensity in magnetic resonance magnitude images in the presence of noise is shown to be governed by a Rician distribution. Low signal intensities (SNR < 2) are therefore biased due to the noise. it is shown how the underlying noise can be estimated from the images and a simpl