Figure 3From: Brain MR image denoising for Rician noise using pre-smooth non-local means filter An example of extracting background from T2-weighted MRI. (a) the original T2 weight MRI, (b) the MRI with Rician noise, (c) the result of the median filtering, (d) the result of the morphological close operation, and (e) the result of the brain region.Back to article page