Optimization of b-value sampling using error propagation methods for intravoxel incoherent motion imaging for various organs
Suguru Yokosawa1, Hisaaki Ochi1, and Yoshitaka Bito2
1Research & Development Group, Hitachi, Ltd., Tokyo, Japan, 2Healthcare Company, Hitachi,Ltd., Chiba, Japan
In this study, we proposed a method for optimizing
b-value sampling using error propagation methods for IVIM imaging. We
investigated the difference in an optimal set of b-values depending on the organ
and the effect of b-value sampling on the precision of IVIM parameters. The
results show that the optimal b-values were divided into four b-values and the
combination of b-values varied with the organ. The SNR increased 1.2–1.6 times by
optimization. We concluded that the optimization of b-value sampling
corresponding to an organ can improve the fitting precision of IVIM parameters.
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