Enhanced Nonlocal Mean Filter for MRI Denoising with Rician Noise
نویسنده
چکیده
In this paper, a novel filter based on the nonlocal mean (NLM) filter is to improve the denoisingeffect. Bilateral filtering for MRimages. Its formulation and implementation are easy but the performance of bilateral filter depends upon its parameter. We have applied bilateral filtering on Brain web MR images which are corrupted by rician noise. It is nonlinear filter to preserve edges. The performance of this filter is evaluated by carrying out a qualitative and quantitative comparison of this method with two other filters, namely,theNLMfilter, the Bilateral filter.
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تاریخ انتشار 2014