A survey on the magnetic resonance image denoising methods
A survey on the magnetic resonance image denoising methods
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DOI：
10.1016/j.bspc.2013.10.007
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发表时间：
2014-01-01
影响因子：
5.1
通讯作者：
Guo, Yanhui
中科院分区：
文献类型：
--
作者：
Mohan, J.;Krishnaveni, V.;Guo, Yanhui
在过去的几年中，尽管磁共振成像（MRI）技术的分辨率、信噪比和采集速度已经提高，但是MR图像仍然受到伪影和噪声的影响。必须以增强诊断相关图像内容的方式在降噪和保留实际细节特征之间进行权衡。因此，降噪仍然是一项艰巨的任务。在文献中已经提出了各种技术去噪MR图像，每种技术都有自己的假设，优点和局限性。本文的目的是提出一个调查的已发表的文献中处理的去噪方法在MR图像。在简要介绍了磁共振成像和MRI中噪声的特点之后，对目前流行的方法进行了分类，并对各种方法进行了概述。最后讨论了该去噪方法的优点和局限性。(C)2013爱思唯尔有限公司保留所有权利。
Over the past several years, although the resolution, signal-to-noise ratio and acquisition speed of magnetic resonance imaging (MRI) technology have been increased, MR images are still affected by artifacts and noise. A tradeoff between noise reduction and the preservation of actual detail features has to be made in the way that enhances the diagnostically relevant image content. Therefore, noise reduction is still a difficult task. A variety of techniques have been presented in the literature on denoising MR images and each technique has its own assumptions, advantages and limitations. The purpose of this paper is to present a survey of the published literature in dealing with denoising methods in MR images. After a brief introduction about magnetic resonance imaging and the characteristics of noise in MRI, the popular approaches are classified into different groups and an overview of various methods is provided. The denoising method's advantages and limitations are also discussed. (C) 2013 Elsevier Ltd. All rights reserved.