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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi everyone:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>As we discussed on the tcon today, I will have our new
software engineer Patrick Cheng work on developing an image-guided surgery
application with IGSTK.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>To start, we will base this on the Polaris since it
available in our lab and not as in demand as much as the <st1:City w:st="on"><st1:place
w:st="on">Aurora</st1:place></st1:City> (which we also have)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I pasted the scenario for the demonstration below my
signature – these are really typical steps in an image-guided application<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The attached paper also describes an early version of the
system we built for <st1:place w:st="on"><st1:City w:st="on">Aurora</st1:City></st1:place>
a few years ago<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>If you have any questions please let me know<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Kevin<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'> </span></font> <o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>------------------------------------------------------------------<br>
Kevin Cleary,
Ph.D.
Work phone: 202-687-8253<br>
Associate
Professor
Work fax: 202-784-3479<br>
Deputy Director <br>
<br>
Imaging Science and Information Systems (<st1:place w:st="on">ISIS</st1:place>)
Center<br>
Department of
Radiology
Pager: 202-901-2033<br>
<st1:place w:st="on"><st1:PlaceName w:st="on">Georgetown</st1:PlaceName> <st1:PlaceType
w:st="on">University</st1:PlaceType> <st1:PlaceName w:st="on">Medical</st1:PlaceName>
<st1:PlaceType w:st="on">Center</st1:PlaceType></st1:place>
Cell phone: 202-294-3409<br>
<st1:Street w:st="on"><st1:address w:st="on">2115 Wisconsin Avenue, Suite 603</st1:address></st1:Street>
Home phone: 301-299-0788<br>
<st1:place w:st="on"><st1:City w:st="on">Washington</st1:City>, <st1:State
w:st="on">DC</st1:State>, <st1:PostalCode w:st="on">20007</st1:PostalCode></st1:place>
Home fax: 301-299-0789</span></font><o:p></o:p></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><st1:place w:st="on"><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>ISIS</span></font></st1:place><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
center: </span></font><a href="http://www.isis.georgetown.edu/"
title="http://www.isis.georgetown.edu/"><font size=2 face="Courier New"
title="http://www.isis.georgetown.edu/"><span style='font-size:10.0pt;
font-family:"Courier New"'>www.isis.georgetown.edu</span></font></a><br>
<font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>Research
group: </span></font><a href="http://www.caimr.georgetown.edu/"
title="http://www.caimr.georgetown.edu/"><font size=2 face="Courier New"
title="http://www.caimr.georgetown.edu/"><span style='font-size:10.0pt;
font-family:"Courier New"'>www.caimr.georgetown.edu</span></font></a><br>
<font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>WashCAS:
</span></font><a href="http://www.washcas.org/" title="http://www.washcas.org/"><font
size=2 face="Courier New" title="http://www.washcas.org/"><span
style='font-size:10.0pt;font-family:"Courier New"'>www.washcas.org</span></font></a><br>
<font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>Email:
</span></font><a href="mailto:cleary@georgetown.edu"
title="mailto:cleary@georgetown.edu"><font size=2 face="Courier New"
title="mailto:cleary@georgetown.edu"><span style='font-size:10.0pt;font-family:
"Courier New"'>cleary@georgetown.edu</span></font></a><br>
<font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>-------------------------------------------------------------------</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Scenario for image-guided demonstration application by Patrick<o:p></o:p></span></font></p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Scan abdominal
phantom from CIRS (model 57) with “doughtnut” and bb fiducials
(1 mm CT scans) and save as DICOM file<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Read into IGSTK
application using our DICOM reader (is it available yet?)<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Develop four
quadrant GUI (ask Hee-su about his RABiopsy example) with axial, saggital,
coronal, and 3D view<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Now we must do
registration between the CT data set and the Polaris tracker<o:p></o:p></span></font></li>
<ul style='margin-top:0in' type=circle>
<li class=MsoNormal style='mso-list:l0 level2 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>(Have James Zhang
in our lab show you his user interface for this as an example)<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level2 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Select 3 or more
fiducials in CT space by clicking them with the mouse and recording their
x/y/z position<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level2 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Initialize the
Polaris – will use a tracked pointer and footswitch (ask Hee-su or
Ziv Yaniv in our lab for help)<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level2 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Select the
fiducials in Polaris space<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level2 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Register between CT
data set and Polaris tracker using paired-point registration (Andinet
from Kitware to implement in IGSTK from ITK or VTK)<o:p></o:p></span></font></li>
</ul>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Now you should be
able to enable image overlay <o:p></o:p></span></font></li>
</ul>
<p class=MsoNormal style='margin-left:.25in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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