[Mristudio-users] how to save the transformation matrix from a landmarker based transformation

[susumu mori]

Hi Yi,

I believe you can save the matrix. Xin should know how to do it.
As for the matrix combination, I remember that we discussed about exactly
the same topic in my lab. I thought that answer was Yes, but don't exactly
remember how to do it. Andreia and Xin, do you know how to do it?

On Tue, Aug 4, 2009 at 4:31 PM, Yi Jiang <yj3 at duke.edu> wrote:

>  Dear All,
>
> I have tried to look through the online manual, but could not find the
> answer.
>
> I tried to use the landmark based transformation (translation) from the
> main menu of the Landmarker window. The result is pretty good. However, I do
> not know how to save the transformation matrix. I tried to click the "save
> transformation matrix" button in the subject window. It seems two files was
> saved (.hdr? and .dat), but the file sizes were very small.
>
> I also want to combine the transformation matrix from the landmark based
> translation with a AIR linear rigid, a AIR linear affine transformation, and
> a LDDMM matrix. Can I do that? I do not know if the transformation matrix
> from landmark based translation is a AIR format, or LDDMM raw format, or a
> LDDMM vtk format, which was asked in the combine matrix window.
>
> The last question may be stupid: if there are defined landmarks in the
> memory, when I click on AIR linear or multichannel LDDMM (not from the main
> menu, but the buttons in the subject window), those landmarks were not used
> in transformation, right?
>
> Thank you very much!
>
> Best,
> Yi
>
>
>
>
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