A Robust Algorithm for 2-D NMR Diffusion-Relaxation Spectra Inversion.

IEEE Geoscience and Remote Sensing Letters（2018）

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摘要

A two-step iterative shrinkage/thresholding (TIST) algorithm was proposed to solve the objective function of the L1 regularization for the 2-D nuclear magnetic resonance diffusion-relaxation (D-T2) spectra inversion. Moreover, a simple and effective method combining the S-curve method and the Chi-square method was proposed to select the optimal L1 regularization parameter. We compared the inverted...

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关键词

Nuclear magnetic resonance,Iterative algorithms,Robustness,Linear programming,Signal to noise ratio,Pulse measurements

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