Thank a lot. Linda.<br><br><div class="gmail_quote">On Fri, Jun 27, 2008 at 11:55 AM, llanyon <<a href="mailto:llanyon@eyecarecentre.org">llanyon@eyecarecentre.org</a>> 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 Seongjin<br>
<br>
You need to make sure the B0 line in the gradients table is in the same position as it is in the data - just move the line of zeros up to position zero and shift the rest down.<br>
<br>
cheers<br>
Linda<br>
-----------------------------------------------------------------------------------------------------<br>
Linda Lanyon<br>
Post-doctoral Research Fellow, Michael Smith Foundation for Health Research<br>
University of British Columbia<br>
Human Vision & Eye Movement Laboratory<br>
Vancouver General Hospital Eye Care Centre<br>
3rd Floor Research Labs - Rm 365<br>
2550 Willow St, Vancouver, B.C., Canada<br>
Phone: +1-604-875-4111 x 69003<br>
Fax: +1 604-875-4663<br>
email: <a href="mailto:llanyon@eyecarecentre.org">llanyon@eyecarecentre.org</a><br>
web: <a href="http://www.neuroophthalmology.ca/UBCNeuroOp/JBarton/labstaff/Linda.htm" target="_blank">http://www.neuroophthalmology.ca/UBCNeuroOp/JBarton/labstaff/Linda.htm</a><br>
Director, Society for Canadian Women in Science and Technology: <a href="http://www.scwist.ca" target="_blank">www.scwist.ca</a><br>
-----------------------------------------------------------------------------------------------------<br>
________________________________________<br>
From: <a href="mailto:mristudio-users-bounces@mristudio.org">mristudio-users-bounces@mristudio.org</a> [<a href="mailto:mristudio-users-bounces@mristudio.org">mristudio-users-bounces@mristudio.org</a>] On Behalf Of [Seongjin] [<a href="mailto:choisj70@gmail.com">choisj70@gmail.com</a>]<br>
Sent: 27 June 2008 06:10<br>
To: DTI Studio, ROI Editor, Landmarker Questions/Support<br>
Subject: [Mristudio-users] Philips Achieva system gradient table<br>
<div><div></div><div class="Wj3C7c"><br>
Dear all,<br>
<br>
I am a Philips Achieva system user and recently started using DTI studio.<br>
A given gradient table for DTI_low is as follows:<br>
<br>
1.0000 0.0000 0.0000<br>
0.0000 1.0000 0.0000<br>
0.0000 0.0000 1.0000<br>
-0.7044 -0.0881 -0.7044<br>
0.7044 0.7044 0.0881<br>
0.0881 0.7044 0.7044<br>
0.0000 0.0000 0.0000<br>
<br>
So I use gradient table in DTI with following table.<br>
Somehow, b0 is located at the last.<br>
<br>
0:1.0000, 0.0000, 0.0000<br>
1:0.0000, 1.0000, 0.0000<br>
2:0.0000, 0.0000, 1.0000<br>
3:-0.7044, -0.0881, -0.7044<br>
4:0.7044, 0.7044, 0.0881<br>
5:0.0881, 0.7044, 0.7044<br>
6:0.0000, 0.0000, 0.0000<br>
<br>
Philips system DTI output image start with b0 image.<br>
I wonder if I am using the right table or in the right order for gradients.<br>
<br>
Best,<br>
<br>
Seongjin<br>
<br>
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</blockquote></div><br>