弥散加权MR图像伪影的校正

2011 34th International Conference on Telecommunications and Signal Processing (TSP) Pub Date : 2011-10-13 DOI:10.1109/TSP.2011.6043703

P. Marcon, K. Bartusek, R. Kořínek, Z. Dokoupil

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引用次数: 6

摘要

作者描述了测量扩散系数和创建DWI和DTI图像的技术。为了提高扩散系数测量的准确性，有必要消除诸如磁场不均匀性、涡流或温度的影响等伪影的影响。对于这些伪源，本文给出了用三种测量方法实现的误差幅度的实验检测，并提出了校正的可能性。将结果与6个因子不同尺寸下的扩散测量结果进行了比较。

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Correction of artifacts in diffusion-weighted MR images

The authors describe the techniques for measuring diffusion coefficients and creating DWI and DTI images. In order to increase the accuracy of diffusion coefficient measurement, it is necessary to eliminate the influence of artifacts such as the influence of magnetic field inhomogeneity, eddy currents, or temperature. For these artifact sources, the article presents experimental detection of the magnitude of errors, which is realized using the three measurements method, and proposes correction possibilities. The results are compared with diffusion measurements at different sizes of 6-factors.

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来源期刊

2011 34th International Conference on Telecommunications and Signal Processing (TSP)

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