Hi Michael,
Thanks for letting us know.
We'll try and fix the error reporting.
I'm glad that your problem is solved though.
All the best,
Mark
On 30 Jun 2011, at 17:50, Michael Waskom wrote:
> Hi all,
>
> I wanted to follow upon this question as I was able to identify the
> source of the problem. It turns out that something had gone wrong in
> the creation of my mask image, and it was, in fact, empty. Running
> the command I give below without the mask option and argument worked
> fine, as does it running it with a proper mask. I'm not exactly sure
> why this raised an error about the dimensionality of my input image,
> but I did find the problem rather confusing, so I bring it up here in
> case it's an easy fix.
>
> Best,
> Michael
>
> On Tue, Jun 28, 2011 at 10:07 PM, Michael Waskom <[log in to unmask]> wrote:
>> Hi,
>>
>> I'm attempting to use fsl_regfilt to remove some confounds from a
>> timeseries. I have a 4d image and a design matrix text file with 18
>> columns and the same number of rows as there are frames in my
>> timeseries.
>>
>> I am invoking fsl_regfilt like so:
>>
>> $ fsl_regfilt --in=bold_mcf_st --out=bold_mcf_st_regfilt
>> --design=confound_matrix.dat
>> --filter='1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18' --mask=mask
>>
>> However, when I run this, I get the following error:
>>
>> ERROR: need to specify 4D input to use filtering
>>
>> However,
>>
>> $ fslinfo bold_mcf_st
>> filename bold_mcf_st.nii.gz
>> data_type FLOAT32
>> dim1 128
>> dim2 128
>> dim3 67
>> dim4 60
>> ...
>>
>>
>> What gives? That looks 4D to me. I'm sure it's something simple I'm
>> missing, but the documentation for this program is rather sparse...
>>
>> Thanks,
>> Michael
>>
>
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