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IDProjectCategoryView StatusLast Update
0004409Slicer4Module DICOMpublic2017-08-04 22:12
ReporterlassoanAssigned Topieper 
PrioritynormalSeveritymajorReproducibilityalways
Status assignedResolutionopen 
Product VersionSlicer 4.7.0 
Target VersionSlicer 4.7.0Fixed in Version 
Summary0004409: CT images acquired with gantry tilt are loaded incorrectly
Description

CT images acquired with gantry tilt are loaded incorrectly, probably the gantry tilt information is ignored. The image appears to be warped.

See for example this discussion:
https://discourse.slicer.org/t/how-to-adjust-the-distorted-image/817

Workaround: use a tool that can convert gantry-tilted DICOM to rectified image files. For example: dicomtonifti tool. Download from here: https://github.com/dgobbi/vtk-dicom/releases

Potential implementation: use vtkDICOM classes.
https://github.com/dgobbi/vtk-dicom/blob/master/Source/vtkDICOMCTRectifier.h

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Issue History

Date Modified Username Field Change
2017-08-04 21:59 lassoan New Issue
2017-08-04 21:59 lassoan Status new => assigned
2017-08-04 21:59 lassoan Assigned To => pieper
2017-08-04 22:12 lassoan Description Updated View Revisions