New methods for MRI denoising based on sparseness and self-similarity
نویسندگان
چکیده
منابع مشابه
New methods for MRI denoising based on sparseness and self-similarity
This paper proposes two new methods for the three-dimensional denoising of magnetic resonance images that exploit the sparseness and self-similarity properties of the images. The proposed methods are based on a three-dimensional moving-window discrete cosine transform hard thresholding and a three-dimensional rotationally invariant version of the well-known nonlocal means filter. The proposed a...
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ژورنال
عنوان ژورنال: Medical Image Analysis
سال: 2012
ISSN: 1361-8415
DOI: 10.1016/j.media.2011.04.003