<div dir="ltr"><div>Hello all, </div><div><br></div><div>When I want to reconstruct a CBCT from Elekta XVI projections I can do the following, first define a geometry and then stack and process the .his projections, </div><div><br></div><div><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US"># Generate
geometry.xml<br>
os.system('./rtkelektasynergygeometry' +<br>
' --xml ' + fraction_folder +
'/_Frames.xml' +<br>
' --output ' + fraction_folder
+ '/geometry.xml')<br>
<br>
# Generate projection.mha<br>
os.system('./rtkprojections' +<br>
' --path ' + fraction_folder +
'/' +<br>
' --regexp .*.his ' +<br>
' --output ' + fraction_folder
+ '/projections.mha' +<br>
' --i0=' + i_0)</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US">Do you know what is the preprocess of the projections with i0 ? </span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US">Log scale? clipping? </span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US">I would like to process the projections individually</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US">Thank you very much</span></p></div></div>