Print

Print


Hey Guillaume,

does the spm_summarise function also work, when I have a nifti with
multiple ROIs e.g. numbered 1-100 or is it necessary to run the function
with seperate ROI nifti's?

greetings

David

2014-09-02 13:18 GMT+02:00 Guillaume Flandin <[log in to unmask]>:

> Dear Mahsa,
>
> if you want to mask your functional image with your ROI, you can indeed
> use ImCalc as suggested by David (with expression i1.*i2) or spm_mask.m.
>
> If you actually want to extract data from your functional image within
> your ROI, you can use the spm_summarise function:
> >> Y = spm_summarise('functional_image.nii','ROI.nii');
>
> Best regards,
> Guillaume.
>
>
> On 31/08/14 12:32, Mahsa Alizade shalchy wrote:
> > Dear all
> > Hi
> > Thank you so much for your time.I was able to create a mask of my
> > desired ROIs(within MNI) using SPM(pickatlas).However,I could not
> > extract the created ROI out of another image(i.e functional
> > image)automatically and I have to multiply them using a matlab mfile as
> > following:
> > Masked_image=ROI * image.
> > How could I extract masked_image automatically?
> > I searched through the older posts and came across"peak_extract_nii
> > tool",Could this be a solution?How could I download it?
> > Many thanks in advance.
> > Best Regards,
> > Mahsa
> >
> >
>
> --
> Guillaume Flandin, PhD
> Wellcome Trust Centre for Neuroimaging
> University College London
> 12 Queen Square
> London WC1N 3BG
>