Print

---

try this

fsladd  average_image  -m image{1..38}

or

fsl5.0-fsladd  average_image  -m image{1..38}


outputs   average of the 38 images



On Tue, Dec 19, 2017 at 3:51 PM, Noelia Martinez-Molina <
[log in to unmask]> wrote:

> Hi Saad,
>
> Thank you for your help. I tried using fsladd but the terminal shows
> "command not found".  I'm not sure about what the problem is.
>
> Best,
> Noelia
>
> 2017-12-19 10:51 GMT+01:00 Saad Jbabdi <[log in to unmask]>:
>
>> You can use fsladd   (no need for loops)
>>
>> Cheers
>> Saad
>>
>>
>>
>> > On 19 Dec 2017, at 09:49, Noelia Martinez Molina <
>> [log in to unmask]> wrote:
>> >
>> > Dear FSL experts,
>> >
>> > I need to average images from 38 subjects using fslmaths. The command
>> would be something like this:
>> >
>> > fslmaths image1 -add image2 -add image3 ... -add image38 -div 38
>> average_image
>> >
>> > However, I was wondering if you could tell me how to use a loop to
>> create a string with all the -add arguments in order to avoid the tedious
>> of having to write manually all the filenames for each image.
>> >
>> > Thank you in advance for your help.
>> >
>> > Best,
>> > Noelia
>>
>
>
>
> --
>
> Noelia Martínez-Molina
> Cognition and Brain Plasticity Group
> Department of Cognition, Development and Educational Psychology
> Universitat de Barcelona
> Campus Mundet, Edifici de Ponent
> Passeig de la Vall d
> <https://maps.google.com/?q=Passeig+de+la+Vall+d'Hebron+17108035+Barcelona,+Spain+Office:+(34&entry=gmail&source=g>
> 'Hebron 171
> <https://maps.google.com/?q=Passeig+de+la+Vall+d'Hebron+17108035+Barcelona,+Spain+Office:+(34&entry=gmail&source=g>
> 08035 Barcelona, Spain
> <https://maps.google.com/?q=Passeig+de+la+Vall+d'Hebron+17108035+Barcelona,+Spain+Office:+(34&entry=gmail&source=g>
>
> Office: (34
> <https://maps.google.com/?q=Passeig+de+la+Vall+d'Hebron+17108035+Barcelona,+Spain+Office:+(34&entry=gmail&source=g>)
> 93 403 47 68
> http://brainvitge.org/member/martinez_n/
> twitter:@NoeliaMrtnez
>
> ------------------------------------------------------------
> --------------------------------------------
>
> "Where words fail, music speaks."
>
>
> *                                                               Hans
> Christian Andersen*
> ------------------------------------------------------------
> ---------------------------------------------
>
>