Difference between revisions of "RTK/Scripts/FDK"

From Openrtk
Jump to navigation Jump to search
Line 1: Line 1:
 
<div class="floatcenter">[[File:sinogram.png|200px]] [[File:overlay.png|200px]]</div>
 
<div class="floatcenter">[[File:sinogram.png|200px]] [[File:overlay.png|200px]]</div>
  
This script uses the file [http://midas3.kitware.com/midas/download?items=27326 SheppLogan.txt] as input.
+
This script uses the file [https://data.kitware.com/api/v1/item/5b179c938d777f15ebe2020b/download SheppLogan.txt] as input.
  
 
<source lang="bash" enclose="div">
 
<source lang="bash" enclose="div">

Revision as of 11:18, 12 November 2018

Sinogram.png Overlay.png

This script uses the file SheppLogan.txt as input.

 # Create a simulated geometry
 rtksimulatedgeometry -n 180 -o geometry.xml
 # You may add "--arc 200" to make the scan short or "--proj_iso_x 200" to offset the detector

 # Create projections of the phantom file
 rtkprojectgeometricphantom -g geometry.xml -o projections.mha --spacing 2 --dimension 256 --phantomfile SheppLogan.txt

 # Reconstruct
 rtkfdk -p . -r projections.mha -o fdk.mha -g geometry.xml --spacing 2 --dimension 256

 # Create a reference volume for comparison
 rtkdrawgeometricphantom --spacing 2 --dimension 256 --phantomfile SheppLogan.txt -o ref.mha