Hi Farid,<br><br>As for your first question, it is difficult to answer not exactly knowing what you did with matlab and possible errors.<br><br>For the second question, after you finish tensor calculation, you can obtain dxx, dyy, dzz, dxy, dxz, dyz images. What we call *.d file is a 4D data that contains the all 6 3D tensor element images within one file. You can save these 6 images at once into one file using DtiStudio.<br>
<br>Susumu<br><br><div class="gmail_quote">On Mon, Dec 28, 2009 at 7:34 PM, mdfarid a r <span dir="ltr"><<a href="mailto:faridisme@gmail.com">faridisme@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<div>Hi all,</div>
<div> </div>
<div>I am trying to revisualise the fibertracks after I process it in matlab. To be specific, I merely select a number of the fibers instead of all the fibers before I rewrite it into the file format. However, I realised that fibertracks which I obtained by using the ROI operation CUT will cause an error in DTIStudio causing it to close. The fibertracks which I obtained by using the ROI operation OR and AND did not have this problem and worked fine. Has anyone else encountered this situation?</div>
<div> </div><div>A second thing, how do I save the calculated tensors as .d file?</div><div><br></div>
<div>I look forward to your kind assistance.</div>
<div> </div>
<div>Regards,</div>
<div>Farid</div>
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