<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt">Hi,<br><br>Most people suggest using higher numbers like 5000. However, do not forget that as you increase the number of iterations you also increase the false positive rate i.e. unrealistic tracts.<br><br>Birkan <br><div><span><br></span></div><div style="display: block;" class="yahoo_quoted"> <br> <br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div dir="ltr"> <font face="Arial" size="2"> On Monday, November 25, 2013 2:13 PM, Mojdeh Zamyadi <mojdehzm@gmail.com> wrote:<br> </font> </div> <div class="y_msg_container">Hi all,<br><br>I'm using probabilistic tractography for thalamic parcellation
using the <br>following command and I was wondering if there is an optimal number of <br>iterations? Is 1000 iterations good enough or should use a higher numebr <br>(eg. 5000 as I've seen in some manuscripts)<br><br>track -inputfile DTI_ec_VoxelOrder.Bfloat -inputmodel bayesdirac_dt <br>-schemefile bvec_rot.scheme -iterations 1000 -seedfile <br>thalamus_only.nii.gz -brainmask B0_brain_mask.nii.gz -pointset 0 > <br>bayesianTracts.Bfloat<br><br>Thanks,<br>-Mojdeh<br><br>_______________________________________________<br>Camino-users mailing list<br><a ymailto="mailto:Camino-users@www.nitrc.org" href="mailto:Camino-users@www.nitrc.org">Camino-users@www.nitrc.org</a><br><a href="http://www.nitrc.org/mailman/listinfo/camino-users" target="_blank">http://www.nitrc.org/mailman/listinfo/camino-users</a><br><br><br></div> </div> </div> </div> </div></body></html>