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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Albert,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It is available from elastix version 4.4, so if you are running that version you are good.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Parameters should be similar to the attached file.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Marius<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> krekbert@gmail.com [mailto:krekbert@gmail.com]
<b>On Behalf Of </b>Albert Gubern Mérida<br>
<b>Sent:</b> maandag 25 juli 2011 16:21<br>
<b>To:</b> Staring, M. (LKEB)<br>
<b>Cc:</b> insight-users@itk.org<br>
<b>Subject:</b> Re: [Insight-users] B-Splines registration with fixed points<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Hi Marius,<br>
<br>
Thanks a lot. It seems to be what I exactly need. Anyway, is this registration available to run using the binary elastix (what I have been using at the moment)? If not, which components or/and testing files should I use to implement it? <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt">Thanks again, and sorry for my ignorance.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:36.0pt">
Albert<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt">2011/7/25 <<a href="mailto:M.Staring@lumc.nl" target="_blank">M.Staring@lumc.nl</a>><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D">Hi Albert,</span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D">If you have the coordinates of the sternum in both fixed and moving image you can add a term to the registration framework that penalizes deviation away from alignment of that point (or multiple points). We have
done something similar:</span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D"><a href="http://elastix.isi.uu.nl/marius/publications/2011_c_MICCAIb.html" target="_blank">http://elastix.isi.uu.nl/marius/publications/2011_c_MICCAIb.html</a></span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D">code of which can be found in elastix, which you can use freely.</span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D">But it all depends on whether you have corresponding pointsets.</span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D">Marius</span><o:p></o:p></p>
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<span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
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<b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt">
<a href="mailto:insight-users-bounces@itk.org" target="_blank">insight-users-bounces@itk.org</a> [mailto:<a href="mailto:insight-users-bounces@itk.org" target="_blank">insight-users-bounces@itk.org</a>]
<b>On Behalf Of </b>Albert Gubern Mérida<br>
<b>Sent:</b> maandag 25 juli 2011 15:41<br>
<b>To:</b> <a href="mailto:insight-users@itk.org" target="_blank">insight-users@itk.org</a><br>
<b>Subject:</b> [Insight-users] B-Splines registration with fixed points</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
Hi all,<o:p></o:p></p>
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<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
I am currently working in Breast MRI registration between different patients, especially interested in the alignment of body area (thorax + pectoral muscles). The first step of my registration consist of a translation to align the sternum, which gives a good
initial alignment of the pectoral muscles. In the following link you can see an example of one slice with the sternum indicated with a white cross: <a href="http://imageshack.us/photo/my-images/220/breastmristernum.png/" target="_blank">http://imageshack.us/photo/my-images/220/breastmristernum.png/</a>. After
the translation step with the pectorals already "rigidly" aligned I apply non-rigid b-splines registration to the whole volumes. It works well in some cases, but in others, especially of course when the differences are high between fixed and moving images,
the non-rigid registration move the sternum point and the pectorals are not aligned anymore. <o:p></o:p></p>
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<o:p></o:p></p>
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I have thought that not allowing the non-registration the move of the sternum point and the ones close to it could be a good solution for such problem. However, I have taken a look to the classes and the mailing list but I have not found any direct/easy example
to how to do that. <o:p></o:p></p>
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<o:p></o:p></p>
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Could anyone give me some advice? Does a easy way to do it exist or I should modify the classes involved in the registration framework? Which ones should I take a look? <o:p></o:p></p>
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<o:p></o:p></p>
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Thanks in advance,<o:p></o:p></p>
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<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
Albert<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
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