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The coefficient of determination (R2) of the linear trendlines for ARC/T2*-IDEAL (×) and the proposed method (○) at each acceleration factor. Observe the falloff of the R2 value for ARC/T2*-IDEAL, which indicates a reduced goodness of fit of the linear trendline at higher acceleration factors. The R2 values for the proposed method remain above 0.99 at all acceleration factors.
