[MINC-users] Visualizing data with high dynamic range

[Claude LEPAGE]

Andrew,

For viewing purposes, I would suggest to take the log of your image.

minccalc -expression 'log(1.0+abs(A[0]))' in.mnc out.mnc

Beware of A[0]==0 to avoid the singularity.

Claude


>
> Hi all,
>
> I'm having trouble visualizing a volume containing float data with a high
> dynamic range. Both register and Display discretize the signal (down to
> byte precision?), which is not workable for these volumes.
>
> The only solution I have right now is to explode the data into new volumes
> by sliding a reduced range over the signal, clamping away data that
> register and Display can't handle.
>
> Does anyone have experience visualizing high dynamic range data? Is there a
> tool that can do this, or just a better workaround?
>
> Thanks,
> Andrew
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