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<p>You need to save this roi in ROIEditor as binary map. Then you need to edit the map file before you load the roi file into DtiStudio. Please read this Q&A at
<a href="https://www.mristudio.org/wiki/faq#head-f80df539228dfb62e6fa6c79bef04491eb2f8db6">
https://www.mristudio.org/wiki/faq#head-f80df539228dfb62e6fa6c79bef04491eb2f8db6</a></p>
<p> </p>
<p>Xin</p>
<p> </p>
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<div id="divRplyFwdMsg" dir="ltr"><font color="#000000" face="Calibri, sans-serif" style="font-size: 11pt"><b>From:</b> mristudio-users <mristudio-users-bounces@mristudio.org> on behalf of Aparna Pisupati <asivapu1@jhmi.edu><br>
<b>Sent:</b> Tuesday, September 23, 2014 12:44 PM<br>
<b>To:</b> mristudio-users@mristudio.org<br>
<b>Subject:</b> [Mristudio-users] trouble using an roi for fiber tracking</font>
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<p class="MsoNormal">Hi all, </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I am very new to fiber tracking and I am running into difficulties. We are trying to track fibers from the seed region (substantia nigra) so I created an ROI in roieditor and when I fiber track and try to use the roi to see the selected
fibers in dtistudio, I do not see anything. Is this because the seed region is too small? Please let me know.
</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Thank you for your help.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">-a</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><b><span style="color: #1f497d">Aparna Pisupati</span></b><b><span style="color: #1f497d"></span></b></p>
<p class="MsoNormal"><span style="color: #1f497d"> </span></p>
<p class="MsoNormal"><span style="color: #1f497d">Sr. Research Program Coordinator</span><span style="color: #1f497d"></span></p>
<p class="MsoNormal"><span style="color: #1f497d">Department of Psychiatry</span><span style="color: #1f497d"></span></p>
<p class="MsoNormal"><span style="color: #1f497d">Johns Hopkins University</span><span style="color: #1f497d"></span></p>
<p class="MsoNormal"><span style="color: #1f497d">600 N Wolfe St./Phipps 322</span><span style="color: #1f497d"></span></p>
<p class="MsoNormal"><span style="color: #1f497d">Baltimore, MD 21287</span><span style="color: #1f497d"></span></p>
<p class="MsoNormal"><span style="color: #1f497d">Tel. (443)-955-7861</span><span style="color: #1f497d"></span></p>
<p class="MsoNormal"><span style="color: #1f497d">Fax (410-614-3676</span><span style="color: #1f497d"></span></p>
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