[Mristudio-users] Applying Hmap and Kimap

Maria Moldoveanu moldmari at gmail.com
Wed Apr 6 10:55:14 EDT 2011


Hi,
 I'm a radiologyst .I work at 1,5T .Actualy we use neuro3D aplication for DTI.
But I want  to transfer  it on PC.

How can I transform DICOM -format of scans in DTI tool?
thank you!!!!

2011/4/6, Jeff Sadino <jsadino.queens at gmail.com>:
> Hello,
>
> I was reading a post from February 2010 titled "apply transformation to
> landmarkers & command file" and wanted to ask one more question about it.
>  The poster is asking how to apply the Kimap outside of DiffeoMap, mainly
> Matlab.  Can someone please explain to me the format of the Kimap and Hmap
> Transformations?  What do you guys mean when you say Vector (x, y, z)
> x X-dimension
> x Y-dimension x Z-dimension?  When I loaded up my Kimap into matlab as a
> binary file, the first six values after the header were:
>
>   1.0e+031 *
>
>    7.800029524490799
>    0.000000000022612
>    0.000001498922010
>    0.000000000000000
>    0.000001839432419
>    0.000000000000000
>
> My image was 181 x 217 x 181.  Thank you very much,
> Jeff Sadino
>
> The original post is below:
>
> 1. One thing I need to note is that the transformation matrix I have is
> a "final" combined matrix of AIR rigid, AIR affine, and LDDMM K map (so it
> should be in the raw data format). Can I extract the "vector" information at
> the specified location in this transformation matrix? And how?
>
> Hello Yi,
>
> As Susumu said, transformation matrices contain vectors at each coordinate,
> indicating where is the new location. The structure is Vector (x, y, z) x
> X-dimension x Y-dimension x Z-dimension. You may write matlab code to
> extract the vector information.
>


-- 
marisa


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