[ITK] [ITK-users] Resample and Directions in Image Registration

[Matt McCormick]

Hi Gabriel,

> Hi Matt, thanks for your answer...It is now clear to me ...

Great!

> Matt! another question please ... what is the normal runtime of Mattes
> Mutual Information Metric with 3D images? It is normal to be in the range of
> 2.5 to 4 seconds? I use CT and MR images ... and this is my configuration:
>
> samplingPercentage = 0.002;
> samplingStrategy  = RegistrationType::REGULAR;
> NumberOfHistogramBins = 50

I do not know offhand what the expected computation time is, but I
would not be surprised if it was that slow on 3D images.

Matt
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