[MINC-users] mincresample: possible to combine 2 or more anistropic volumes to reconstruct one high-res isotropic volume?
Audette, Michel A.
maudette at odu.edu
Thu May 17 21:43:33 EDT 2012
Hi Andrew,
thanks, you always have a great response that never disappoints me.
I'll have my student do some dcm2mnc's, download minctools as well as this, and play around with it.
I have high hopes.
Cheers,
Michel
Michel Audette, Ph.D.
Assistant Professor,
Department of Modeling, Simulation and Visualization Engineering,
Old Dominion University,
Norfolk, VA.
________________________________________
From: minc-users-bounces at bic.mni.mcgill.ca [minc-users-bounces at bic.mni.mcgill.ca] On Behalf Of Andrew Janke [a.janke at gmail.com]
Sent: Thursday, May 17, 2012 7:23 PM
To: MINC users mailing list
Subject: Re: [MINC-users] mincresample: possible to combine 2 or more anistropic volumes to reconstruct one high-res isotropic volume?
Hi Michel,
> I have a student working on spine modeling, and we have some CT datasets with complementary anistropic sampling orientations: e.g.: one with sub-mm in x-y, and 2 mm (as I recall) in z; a second that is sub-mm in x-z, 2mm in y; and a third, that is sub-mm in y-z, 2mm in x.
>
> Is there a means of using mincresample, or some other MINC tool, that leads to a combination of several datasets to produce one sub-mm isotropic volume, with optimal reconstruction qualities?
Years ago a wrote a thing called volregrid to do some k-space
regridding of sodium imaging data. I used it a bit for that but others
at the BIC abused it to do pretty much exactly what you are after for
ultrasound data.
You can get it here:
https://github.com/andrewjanke/volregrid
You'd run it something like this:
volregrid -xnelem <blah> -ynelem <blah> ... -xstart <blah> ...
-xstep <blah> ... in1.mnc in2.mnc out.mnc
I'd probably also use -gaussian and a leave everything else at the
defaults as your data is sort of "head-ish" in resolution. there are
others on here who have used volregrid so they might pipe up with some
help also.
a
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