I copy a message sent to nipy mailing list to understamd how masks are treated in pymvpa.
I'm sorry for the duplicate! Dear all, I'm trying to figure out a problem about origin parameter of a hdr file. I have a 4d functional hdr/img image, opened with ni.load(path) when I look at image header I have: origin : [24942 28257 29696 0 0] using afni nifti_tools I have on qform sform quite similar values qform_code : 24832 sform_code : 28270 My question is, are these information important for image loading using nibabel? Or if I have two images (e.g. a functional and a ROI) with different origin parameter but same affine matrix transformation does nibabel extract the right signal from the given ROI, I basically use also pymvpa? I've tried to also to copy functional header information to ROI header, but when I read information, origins are set to zero! Thank you, Roberto
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