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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>De :</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Su, Yi
[mailto:suy@mir.wustl.edu] <br>
<b><span style='font-weight:bold'>Envoyé :</span></b> mardi 8 janvier 2008
16:20<br>
<b><span style='font-weight:bold'>À :</span></b> COMTAT Claude<br>
<b><span style='font-weight:bold'>Cc :</span></b>
gate-users@lists.healthgrid.org<br>
<b><span style='font-weight:bold'>Objet :</span></b> RE: [Gate-users]
Question about sinograms</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span lang=EN-US
style='font-size:11.0pt;color:#1F497D'>Since Gate allow</span></font><font
color=navy><span lang=EN-US style='color:navy'>s</span></font><font
color="#1f497d"><span lang=EN-US style='color:#1F497D'> you to specify the
number of radial bins to be less than N_cryst in the sinogram, how is the
sinogram formed in such case? By keeping the center part of the full sinogram?<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=red face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:red'>Yes, exactly. Usually, the
useful field-of-view is smaller than the detector ring diameter.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=red face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:red'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=red face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:red'>Claude<o:p></o:p></span></font></p>
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