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. 2015 Jun 2;29(1):73–85. doi: 10.1007/s10278-015-9806-4

Fig. 6.

Fig. 6

Quantitative evaluation of CT-MRI image fusion results with respect to a mutual information-based index (MI), b spatial frequency (SF), c standard deviation (STD), and d edge information-based index (Qab/f) [33]. UIQI-based indexes [34] e Q, f Qw, and g Qe