RTK/Scripts/FDK: Difference between revisions

From Openrtk
Jump to navigation Jump to search
No edit summary
No edit summary
Line 6: Line 6:
  # Create a simulated geometry
  # Create a simulated geometry
  rtksimulatedgeometry -n 180 -o geometry.xml
  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
  # Create projections of the phantom file

Revision as of 02:35, 15 January 2014

Error creating thumbnail: File missing
Error creating thumbnail: File missing

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