Hi! I am using a pipeline that was implemented and validated using fs 5.3 , which does the following: * compute transformation matrix for linear registration of SUV with T1-2mm, with spm * use tkergister to transform the matrix into .mat, and then invert the matrix * use flirt to move T1 images into PET space The last step gives me different results if I enable FS vs 7, and the registration seems to be off. Do you know why this would be the case? Thank you! Ludovica
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