MRI Studio Forum » DTI Studio

Colormap Image

(2 posts)
  • Started 7 years ago by GRGlenn
  • Latest reply from JHMI_Hangyi

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  1. GRGlenn
    Member

    Hey,

    I am working on some programs in MATLAB for processing images created by DTIStudio, and I am just curious about how DTIStudio creates the colormap image. I can load all of the images fine, but if I try to recreate the colormap image by multiplying each element of the 1st eigenvector image by any of the DTI parameters, e.g. FA, I get an image that is much more pixelated than the one created by DTIStudio. Do you apply any sort of interpolation algorithm in the image processing, or is it a simple element-by-element multiplication? I am ultimately interested in investigating fiber tracking algorithms.

    Thanks,

    Russell Glenn

    Posted 7 years ago #
  2. JHMI_Hangyi
    Member

    the color map is pixel-by-pixel by FA-weighted color-coding of eigen vector as: (R, G, B) = FA x (|Vx|, |Vy|, |Vz|).
    there is no extra processing (e.g. interpolation or smoothing) on it.

    Posted 7 years ago #

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