International Journal of Medical Research & Health Sciences (IJMRHS)
ISSN: 2319-5886 Indexed in: ESCI (Thomson Reuters)
Prasad Khandekar
Department of Engineering and Technology, Dr. Vishwanath Karad MIT World Peace University, Pune, IndiaPublications
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Research
Analysis of Filtering Approaches to Brain MRI in Spatial Domain
Author(s): Vedant Shukla*, Prasad Khandekar and Arti Khaparde
Non-linear filters are used to filter out the artifacts and noise present in MR data. The balance between signal preservation and noise reduction makes restoration of MR data a complex task. Application of non-linear filters such as median and Non-Local Means Filter (NLM) filter converts the right-skewed Rician Distribution into un-skewed Gaussian distribution. NLM filter gives better results than Bilateral and Median filter. As the distribution is un-skewed after the application of non-linear filters, standard linear filters such as Gaussian and Wiener filters were applied and results we.. Read More»
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