BTW, I have run streamline tractography based on this crossing data, and
the number of horizontal, vertical and the total fibers are basically in
line with expectations.
2017-08-15 11:04 GMT-04:00 <enjoy3d...@gmail.com>:
> Hi MITK experts,
>
> I have tested an in-house DWI-Simulator/phantom generator using
> MitkGlobalTractography algorithms including GUI on iMac (based on 2014.10)
> and most recently released Linux version(2017.7). I simply generated a
> simulated 60*60*60 crossing data. I achieved the *.trk files following the
> below steps:
> 1. Reconstructing Q-Balls using default settings in the GUI, e.g. Aganj
> 2009.
> 2. Running Gibbs tracking with default parameters, and saving the
> output with *.trk.
> 3. Loading the *.trk and FA in TrackVis, manually drawing 4 ROIs at the
> ends of bundles.
> 4. Statistics the numbers of horizontal, vertical and total fibers. The
> ideal results is horizontal=verticle=0.5*total. However, what I have
> achieved is horizontal=2*verticle=0.5*total. I have produced several
> data sets with different gradient files, but I got the similar results.
>
> Any suggestions will be deeply appreciated.
>
> The input data, parameters, and output fibers are saved here
> <https://www.dropbox.com/sh/6v7irthcvk88t09/AADN-El7lF6ib5Kvf7iQVjD1a?dl=0>
> .
>
>
> Best,
> Haiyong
>
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