Thanks for your reply.<br><br>One question about the I->S in Philips scanners.<br>I heard of that in Philips system +Z direction is S->I.<br>I wonder if I am correct on this.<br><br>If that so, +X = R->L, +Y = A->P, +Z = S->I in Philips scanners. <br>
A bit deviation from LPS system regarding +z direction.<br><br>Sincerely,<br>-Seongjin <br><br><br><br><div class="gmail_quote">On Thu, Sep 23, 2010 at 12:49 PM, Hangyi Jiang <span dir="ltr"><<a href="mailto:hjiang@jhmi.edu">hjiang@jhmi.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">hi,<br>
<br>
for axial slicing human brain, the X-Y-Z system is in LPS anatomical direction. or X = R->L, Y=A->P, Z=I->S;<br>
<br>
hangyi<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: Thursday, September 23, 2010 11:46 AM<br>
To: DTI Studio, ROI Editor, Landmarker Questions/Support<br>
Subject: [Mristudio-users] Coordinate system<br>
<div><div></div><div class="h5"><br>
Dear all,<br>
<br>
Simple question about the coordinate system in the Philips Scanners.<br>
I would like to confirm the axis directions in terms of X-Y-Z coordinate system.<br>
<br>
I guess, the axis directions<br>
1) I-S(foot-to-head, inferior-to-superior) is "negative Z" direction<br>
2) A-P(anterior-to-posterior) is "negative Y" direction<br>
3) R-L(right-to-left) is "positive X" direction.<br>
<br>
If I knew this incorrectly, please correct my guess.<br>
<br>
Sincerely,<br>
-SC<br>
<br>
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</blockquote></div><br>