You can use avwmeants to get a text file of average time series
from a 4D volume and a mask.
Mark
On Monday, May 24, 2004, at 09:37 pm, Wei Qiu wrote:
> Hi all,
>
> One more question:
>
> After I run the second level analyse (across the runs). I draw a
> ROI mask (in MNI space) from the second level result. Is any fast way
> I can get each voxel's time course or average time course of this ROI?
>
> Thanks!
>
> wei
>
>
> On Mon, 24 May 2004, Wei Qiu wrote:
>
>> Dear all,
>>
>> I am getting into trouble for registering a
>> functional data (45 minutes, 142049280b) into MNI tal space.
>>
>> Here is what I did.
>>
>> 1) get the example_func2standard.mat (functional--> ana--> standard)
>> 2) then flirt the functional into MNI space
>> flirt -in f_brain -ref standard -out f_brain2stand -init
>> example_func2standard.mat -applyxfm
>>
>> while i ran it, the program aborted. I guess the problem is our data
>> is too big.
>>
>> 3) Then I splited the data into 3 pieces in time domain and then used
>> the
>> flirt command as above. It worked well for each piece. Now I have to
>> concatenate it back.
>>
>> avwmerge -t outfile a b c
>>
>> As always "The segmentation fault" error message came out.
>> Our computer is in huge RAM (4GBRAM, 8GB swap space and 3TB).
>>
>> Did I make mistake somewhere. Any suggestion will be greatly
>> appreciated!
>>
>> Thanks again!
>>
>> Wei
>>
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