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<div dir="ltr"><br>Dear Gate users<br><br> <br> <span style="font-size: 10pt;">I voxelez the phantom for CT image I run the calculation
with a point source (type is backtoback). I found 60 events and 0 scatters it
is for a 512 x512 image I did a test with the same image but with size 32 x 32
I found 72.</span><p class="MsoNormal"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I increase slice thickness (pixels):<o:p></o:p></p>
<p class="MsoNormal">For slice thickness (pixels) =2 --<span style="font-size:
10.0pt;line-height:115%;font-family:Wingdings;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-hansi-font-family:Calibri;mso-hansi-theme-font:
minor-latin;mso-char-type:symbol;mso-symbol-font-family:Wingdings">à</span> 60 Events<o:p></o:p></p>
<p class="MsoNormal"> =20--<span style="font-size:10.0pt;line-height:
115%;font-family:Wingdings;mso-ascii-font-family:Calibri;mso-ascii-theme-font:
minor-latin;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;
mso-char-type:symbol;mso-symbol-font-family:Wingdings">à</span> 72 Events<o:p></o:p></p>
<p class="MsoNormal"> =100
--<span style="font-size:10.0pt;line-height:115%;font-family:Wingdings;
mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-char-type:symbol;mso-symbol-font-family:
Wingdings">à</span>
68 Events<o:p></o:p></p>
<p class="MsoNormal"> =200 --<span style="font-size:10.0pt;
line-height:115%;font-family:Wingdings;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-hansi-font-family:Calibri;mso-hansi-theme-font:
minor-latin;mso-char-type:symbol;mso-symbol-font-family:Wingdings">à</span> 59 Events<o:p></o:p></p>
<p class="MsoNormal">Is what is normal to found this
result and the scatter =0<o:p></o:p></p><p class="MsoNormal"><br></p><p class="MsoNormal"><br></p><p class="MsoNormal">Can you help me</p><p class="MsoNormal"><br></p><p class="MsoNormal"><br></p> <br>B<span style="font-size: 10pt;">est regards </span></div><div dir="ltr"> <br> Mariam<br> <br> <br><br><br><font color="#0000ff" size="5"><a href="http://www.bicoeur.com/" target="_blank"><br></a></font><br><font color="#0000ff" size="5"><a href="http://www.bicoeur.com/" target="_blank"><br></a></font><br> <br><br></div>
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