Figure 11From: Brain MR image denoising for Rician noise using pre-smooth non-local means filter T2 weighted MRI, (a) PSNR of the original NLM, UNLM with squared magnitude, and PSNLM1 with Gaussian, median, and anisotropic filters, (b) PSNR of the original NLM, UNLM with VST, and PSNLM2 with Gaussian, median, and anisotropic filters. (c) PSNR of PSNLM with Gaussian filter, and (d) PSNR of ULM with VST and squared magnitude.Back to article page