Hi all,<br><br>I made a PPT presentation showing how you can recalculate normalized maps based on a normalized tensor file.<br><br>Please go to, <a href="https://www.mristudio.org/wiki/user_manual/landmarker">https://www.mristudio.org/wiki/user_manual/landmarker</a> and see "Step one: Recalculation of DTI Maps from a Normalized Tensor File"<br>
<br>To obtain the normalized tensor file, you can follow other "Step One" sections of "Getting Started".<br><br>Hope this will help.<br><br>Susumu<br><br><div class="gmail_quote">On Wed, Jun 24, 2009 at 8:12 AM, [Seongjin] <span dir="ltr"><<a href="mailto:choisj70@gmail.com">choisj70@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;">Hi HTH,<br><br>When I tried to read normalized tensor.d file, I need to load DTI data with gradient table, but these are not generated from Landmark. As far as I get, all of them are updated FA, ADC, tensor file etc. <br>
<br>
When I start with data before normalization read and I can open the tensor file. Otherwise there is no way to read tensor file. I wonder if I am doing correctly. Do you know other way to read tensor file only? <br><br>Thanks in advance.<br>
<br>-SC<br><br><div class="gmail_quote">On Fri, May 1, 2009 at 7:08 PM, darshan pai <span dir="ltr"><<a href="mailto:darshanp20@yahoo.com" target="_blank">darshanp20@yahoo.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;">
<div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><div>no you do not transform the vector file. you have the tensor right . You open the tensor in DTIStudio using the Open .d button, choose the tensor . It asks you for options regarding if you want to make eigen vectors FA , RA etc . Let it run, it will make all the files , just save what you need .<br>
<br>HTH<br></div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font size="2" face="Tahoma"><div>
<hr size="1"><b><span style="font-weight: bold;">From:</span></b> [Seongjin] <<a href="mailto:choisj70@gmail.com" target="_blank">choisj70@gmail.com</a>><br><b><span style="font-weight: bold;">To:</span></b> "DTI Studio, ROI Editor, Landmarker Questions/Support" <<a href="mailto:mristudio-users@mristudio.org" target="_blank">mristudio-users@mristudio.org</a>><br>
</div><b><span style="font-weight: bold;">Sent:</span></b> Friday, May 1, 2009 4:43:27 PM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [Mristudio-users] Questions regarding Transformation in Landmark<br>
</font><div><div></div><div><br>Thanks for you reply.<br><br>I guessed *.ani file will be the same. However, regarding *.vec file, I were warned not to transform vector file. I have no idea on this. Anyone who knows the answer?<br>
<br>-SC <br><br><div class="gmail_quote">
On Fri, May 1, 2009 at 3:18 PM, darshan pai <span dir="ltr"><<a rel="nofollow" href="mailto:darshanp20@yahoo.com" target="_blank">darshanp20@yahoo.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;">
<div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><div>*.ani is the updated_FA file <br>and *.vec is the updated eigenvector0 file.<br>I think the format for both is *.dat .. just different extensions to differentiate I guess ..<br>
</div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font size="2" face="Tahoma"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> [Seongjin] <<a rel="nofollow" href="mailto:choisj70@gmail.com" target="_blank">choisj70@gmail.com</a>><br>
<b><span style="font-weight: bold;">To:</span></b> "DTI Studio, ROI Editor, Landmarker Questions/Support" <<a rel="nofollow" href="mailto:mristudio-users@mristudio.org" target="_blank">mristudio-users@mristudio.org</a>><br>
<b><span style="font-weight: bold;">Sent:</span></b> Friday, May 1, 2009 12:01:05 PM<br><b><span style="font-weight: bold;">Subject:</span></b> [Mristudio-users] Questions
regarding Transformation in Landmark<br></font><div><div></div><div><br>
I have data sets having reduced field of view compared to template in the Landmarker.<br>I simply used linear AIR for space normalization.<br><br>Translation and non-linear AIR seems not available for data of different dimensions from the template.<br>
<br><br>Q1. I wonder what other restrictions in the space normalization or transformation by using Landmarker.<br><br>Q2. After transformation, I would like to do fiber tracking in DTI Studio. What steps should I go through?<br>
I tried to use "Fiber Tracking" in DTI Studio main menu, however it asked to load "*.ani" file and "*.vec" file.<br> Those files were not generated at all from the normalization.<br>
I have updated FA, eigenvalue, tensor and AlignlinearOuptut.air. <br><br>Thanks in advance.<br><br>-SC<br><br>
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