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<p>Dear Kurt,</p>
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<p>As Konstantinos mentioned, there are several tools to apply reconstruction on the SPECT simulated data.
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<p>A first step is to extract the projections of your SPECT imaging acquisition. There is one possibility to save them directly in projection format through GATE, or to extract them from your root file.
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<p>In our group we are extracting the projections from the root files in order to do the reconstruction, using the QSPECT tool. If you want we can share with you these .c scripts to create your own projections from root.
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<p>Also using the Castor software, I think you can apply directly the reconstruction using as input the root file.
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<p>Thus I would recommend you to run your simulations, saving your output in .root format.</p>
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<p>Kind regards,<br>
Panagiotis</p>
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<pre class="moz-signature" cols="72">--
Panagiotis Papadimitroulas
Project Director, PhD
BET Solutions
116 Alexandras Av.
11472 Athens
Greece
Tel: +30 2130290586
Fax: +30 2130290587
Web: www.betsolutions.gr
e-mail: panpap@betsolutions.gr</pre>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Gate-users <gate-users-bounces@lists.opengatecollaboration.org> on behalf of Konstantinos P. Chatzipapas, MSc <konhat88@yahoo.gr><br>
<b>Sent:</b> Wednesday, November 1, 2017 2:40 PM<br>
<b>To:</b> Kurt V; gate-users@lists.opengatecollaboration.org<br>
<b>Subject:</b> [Gate-users] How do you perform Image Reconstruction for a SPECT based Imaging procedure?</font>
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<div id="yui_3_16_0_ym19_1_1509532683142_22980"><span id="yui_3_16_0_ym19_1_1509532683142_22981">Hello,</span></div>
<div id="yui_3_16_0_ym19_1_1509532683142_22982"><span id="yui_3_16_0_ym19_1_1509532683142_22983"><br id="yui_3_16_0_ym19_1_1509532683142_22984">
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<div dir="ltr" id="yui_3_16_0_ym19_1_1509532683142_22985"><span id="yui_3_16_0_ym19_1_1509532683142_22986">For image reconstruction, as free softwares, I know a few. You can try QSPECT (http://www.bme.teiath.gr/ni/EnglishVersion/Downloads_files/Downloads.html),
CASToR (http://www.castor-project.org/) or STIR (http://stir.sourceforge.net/)</span></div>
<div dir="ltr" id="yui_3_16_0_ym19_1_1509532683142_22987"><span id="yui_3_16_0_ym19_1_1509532683142_22988"><br id="yui_3_16_0_ym19_1_1509532683142_22989">
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<div dir="ltr" id="yui_3_16_0_ym19_1_1509532683142_22990"><span id="yui_3_16_0_ym19_1_1509532683142_22991">Regards,</span></div>
<span id="yui_3_16_0_ym19_1_1509532683142_22992">Konstantinos</span>
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<span id="yui_3_16_0_ym19_1_1509532683142_23089" style="font-style:italic">-----------------------------------------------------</span></div>
<span id="yui_3_16_0_ym19_1_1509532683142_23088" style="color:rgb(0,0,0); font-family:Arial; font-size:16px; font-weight:normal; letter-spacing:normal; orphans:2; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px; font-style:italic"> Konstantinos
Chatzipapas<br>
Medical Physicist, </span><span id="yui_3_16_0_ym19_1_1509532683142_23105" style="color:rgb(0,0,0); font-family:Arial; font-size:16px; font-weight:normal; letter-spacing:normal; orphans:2; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px; font-style:italic">MSc<br>
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<div id="yui_3_16_0_ym19_1_1509532683142_23061"><span id="yui_3_16_0_ym19_1_1509532683142_23087" style="font-style:italic"> <span id="yui_3_16_0_ym19_1_1509532683142_23086" style="font-weight:bold">University of Patras</span></span></div>
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<div id="yui_3_16_0_ym19_1_1509532683142_23085"><span id="yui_3_16_0_ym19_1_1509532683142_23084" style="font-style:italic"><span class="Apple-tab-span" style="white-space:pre"></span> web page:<span class="Apple-converted-space"> </span><a rel="nofollow" target="_blank" href="http://www.physicsmag.com/" id="yui_3_16_0_ym19_1_1509532683142_23083">Physics
Magazine</a></span></div>
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<div dir="ltr"><font face="Arial" size="2">Στις 9:14 μ.μ. Δευτέρα, 30 Οκτωβρίου 2017, ο/η Kurt V <kurtv1@hotmail.com> έγραψε:<br>
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<div class="yiv9312372316MsoNormal"><span style="font-size:14.0pt">I am new to image reconstruction using GATE, I was wondering if anyone could provide me with details on how to best perform image reconstruction using a SPECT based imaging procedure?</span></div>
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<li class="yiv9312372316MsoListParagraphCxSpFirst" style="margin-left:0cm"><span style="font-size:14.0pt; line-height:106%">What is the best way?</span></li><li class="yiv9312372316MsoListParagraphCxSpMiddle" style="margin-left:0cm"><span style="font-size:14.0pt; line-height:106%">Can this somehow be done with an ECAT7 workflow?</span></li><li class="yiv9312372316MsoListParagraphCxSpMiddle" style="margin-left:0cm"><span style="font-size:14.0pt; line-height:106%">Is it better to go from ASCII to another software?</span></li><li class="yiv9312372316MsoListParagraphCxSpMiddle" style="margin-left:0cm"><span style="font-size:14.0pt; line-height:106%">Interfile to another software?</span></li><li class="yiv9312372316MsoListParagraphCxSpLast" style="margin-left:0cm"><span style="font-size:14.0pt; line-height:106%">Is there another software efficient workflow that anyone knows of?</span></li></ul>
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<div class="yiv9312372316MsoNormal"><span style="font-size:14.0pt">If anyone has any words of wisdom for me, all advice would be greatly appreciated.</span></div>
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<div class="yiv9312372316MsoNormal"><span style="font-size:14.0pt">Thank you very much,
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<div class="yiv9312372316MsoNormal"><span style="font-size:14.0pt">Sincerely,</span></div>
<div class="yiv9312372316MsoNormal"><span style="font-size:14.0pt">Kurt W. Van Delinder</span></div>
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