<p dir="ltr">Hi Yachao,</p>
<p dir="ltr">The best place to look is the MRtrix documentation. Most of your questions should be answered here: <br>
<a href="http://www.brain.org.au/software/mrtrix/tractography/preprocess.html">http://www.brain.org.au/software/mrtrix/tractography/preprocess.html</a></p>
<p dir="ltr">As to the precise meaning of the response function, the relevant papers are:</p>
<p dir="ltr"><a href="http://www.sciencedirect.com/science/article/pii/S1053811904004100">http://www.sciencedirect.com/science/article/pii/S1053811904004100</a></p>
<p dir="ltr"><a href="http://www.sciencedirect.com/science/article/pii/S1053811907001243">http://www.sciencedirect.com/science/article/pii/S1053811907001243</a></p>
<p dir="ltr">Hope this helps.<br>
Cheers,</p>
<p dir="ltr">Donald</p>
<p dir="ltr">--<br>
Dr J-Donald Tournier (PhD)</p>
<p dir="ltr">Senior Lecturer, Biomedical Engineering<br>
Division of Imaging Sciences & Biomedical Engineering<br>
King's College London</p>
<p dir="ltr">A: Department of Perinatal Imaging & Health, 1st Floor South Wing, St Thomas' Hospital, London. SE1 7EH<br>
T: +44 (0)20 7188 7118 ext 53613<br>
W: <a href="http://www.kcl.ac.uk/medicine/research/divisions/imaging/departments/biomedengineering">http://www.kcl.ac.uk/medicine/research/divisions/imaging/departments/biomedengineering</a><br>
</p>
<div class="gmail_quote">On 30 May 2014 06:10, <<a href="mailto:markus.gschwind@gmail.com">markus.gschwind@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="auto"><div><br></div><div><br>On 30 mai 2014, at 04:25, Yachao Xie <<a href="mailto:yachaoxiexie@gmail.com" target="_blank">yachaoxiexie@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">
<span style="font-family:arial,sans-serif;font-size:14px">hello Markus,</span><div style="font-family:arial,sans-serif;font-size:14px"> Excuse me for disturbing you. I am a new user of mrtrix. I found that it is really useful for me. Thank you for sharing the software. After prosessing some data with mrtrix, I have been confused with the response function.</div>
<div style="font-family:arial,sans-serif;font-size:14px"> So, I want to know what is the response function. Another question, how to calculate the response function. The last one, a result of mrtrix 'the text file response.txt', what is the meaning of the series of numbers?</div>
<div style="font-family:arial,sans-serif;font-size:14px"> Thank you for reading my letter. I wish I can receive your reply soon.</div><div style="font-family:arial,sans-serif;font-size:14px"><br></div><div style="font-family:arial,sans-serif;font-size:14px">
<br></div><div style="font-family:arial,sans-serif;font-size:14px"><br></div><div style="font-family:arial,sans-serif;font-size:14px"><br></div><div style="font-family:arial,sans-serif;font-size:14px"><br></div><div style="font-family:arial,sans-serif;font-size:14px">
<br></div><div style="font-family:arial,sans-serif;font-size:14px"><br></div><div style="font-family:arial,sans-serif;font-size:14px">Best wishes,</div><div style="font-family:arial,sans-serif;font-size:14px">Yachao</div>
</div>
</div></blockquote></div><br>_______________________________________________<br>
Mrtrix-discussion mailing list<br>
<a href="mailto:Mrtrix-discussion@www.nitrc.org">Mrtrix-discussion@www.nitrc.org</a><br>
<a href="http://www.nitrc.org/mailman/listinfo/mrtrix-discussion" target="_blank">http://www.nitrc.org/mailman/listinfo/mrtrix-discussion</a><br>
<br></blockquote></div>