open-discussion > Combining an ROI with a structural image
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Jan 31, 2019  06:01 AM | neuronerd
Combining an ROI with a structural image
I've created ROIs in Trackvis and Slicer based on DTI. I now want to somehow merge those ROI's with a structural T1. I've been trying to use fslmerge but I'm getting all kinds of errors, saying the images are of different size, etc.

Any help on this would be greatly appreciated!!!
Feb 3, 2019  03:02 PM | Abdalla Mohamed - Kyung Hee University
RE: Combining an ROI with a structural image
one way is to re-sample your ROI mask to have the same resolution as your structural data then use fslmerge. ( this will work if your FOV is the same for both images)
if the FOV is not the same, then you can register the DTI b0 images to your T1 image linearly using flirt, then use the transformation matrix to register the ROI mask to the T1 and you can merge them then.