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Model-Based Image Reconstruction for MRI

机译:基于模型的MRI图像重建

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摘要

Magnetic resonance imaging (MRI) is a sophisticated and versatile medical imaging modality. Traditionally, MR images are reconstructed from the raw measurements by a simple inverse two-dimensional (2-D) or three-dimensional (3-D) fast Fourier transform (FFT). However, there are a growing number of MRI applications where a simple inverse FFT is inadequate, e.g., due to non-Cartesian sampling patterns, non-Fourier physical effects, nonlinear magnetic fields, or deliberate under-sampling to reduce scan times. Such considerations have led to increasing interest in methods for model-based image reconstruction in MRI.
机译:磁共振成像(MRI)是一种复杂和多功能的医学成像模态。传统上,通过简单的逆二维(2-D)或三维(3-D)快速傅里叶变换(FFT)从原始测量重建MR图像。然而,存在越来越多的MRI应用程序,其中简单的逆FFT不充分,例如,由于非笛卡尔采样模式,非傅立叶物理效应,非线性磁场或故意欠采样以减少扫描时间来减少扫描时间。这种考虑因素导致MRI中基于模型的图像重建方法的兴趣。

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  • 来源
    《Signal Processing Magazine, IEEE》 |2010年第4期|共9页
  • 作者

    Fessler J.A.;

  • 作者单位

    He is an associate editor for IEEE Transactions on Medical Imaging and was an associate editor for IEEE Transactions on Image Processing and IEEE Signal Processing Letters. He was cochair of the 1997 SPIE Conference on Image Reconstruction and Restoration technical program cochair of the 2002 IEEE International Symposium on Biomedical Imaging (ISBI) and general chair of ISBI 2007.;

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