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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