Yes, each of the ROIS in the mask file have a unique integer label. I have used MATLAB to check it . The command I used is :
fslmeants -i fMRIAfterDenoise.nii.gz - - labe=Harvard_warped.nii.gz -o meants.txt
The output in meants.txt is still a 420*8058 size text file.
Best
Zhen
> 在 2019年3月19日,上午9:56,paul mccarthy <[log in to unmask]> 写道:
>
> Do each of your ROIs have a unique integer label? This is required in
> order to use the --label option.
>
> Cheers,
>
> Paul
>
> On 19/03/2019, Zhen Zhou <[log in to unmask]> wrote:
>> Yeah, I have tried the - - label option. For example, the ROI mask has 112
>> ROIs, in which about 80000 voxels is included.
>>
>> Using the - -label option give me a 420*80000 size matrix instead of a
>> 420*112 size matrix. Is there any way to change the result?
>>
>> Best
>> Zhen
>>
>>> 在 2019年3月19日,上午4:41,paul mccarthy <[log in to unmask]> 写道:
>>>
>>> Hi Zhen,
>>>
>>> The --label option should do what you want:
>>>
>>> --label input 3D label image (generate separate mean for each
>>> integer label value - cannot be used with showall)
>>>
>>> Cheers,
>>>
>>> Paul
>>>
>>> On 18/03/2019, Zhen Zhou <[log in to unmask]> wrote:
>>>> Dear FSL experts,
>>>>
>>>> I have a preprocessed 4D nii file (with 420 time points), and a ROI mask
>>>> (with 112 ROIs).
>>>> I want to use the ROI to extract time series. When I use fslmeants, I
>>>> found
>>>> the output is a text file with a 420*1 matrix. It seems like the time
>>>> series
>>>> has beed averaged over all ROIs.
>>>> Is there any way not to average over the ROIs, i.e., to generate a
>>>> 420*112
>>>> size matrix. I didn’t find any options of fslmeants which can do this.
>>>>
>>>> Zhen
>>>> Best
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