Projects:RegistrationLibrary:RegLib C12
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Contents
Slicer Registration Use Case Exampe #12: Liver Tumor Cryoablation
Objective / Background
We seek to align the pre-operative CT with the intra-operative MRI.
Keywords
MRI, CT, IGT, intra-operative, liver, cryoablation, change detection, non-rigid registration
Input Data
- reference/fixed : T1 SPGR , 0.9375 x 0.9375 x 1.4 mm voxel size, axial, RAS orientation.
- moving: T1 SPGR , 0.9375 x 0.9375 x 1.2 mm voxel size, sagittal, RAS orientation.
Methods
Registration Results
[
Download
- download input image data (Input Data, NRRD images, zip file xx MB)
- download registration parameter presets file (.mrml file 20 kB)
- download guided tutorial (PowerPoint, xx MB)
- download full tutorial set (Input Data, presets, results, tutorial, zip file xx MB)
Link to User Guide: How to Load/Save Registration Parameter Presets
Discussion: Registration Challenges
- large differences in FOV
- strong differences in image contrast between MRI & CT
- contrast enhancement and pathology and treatment changes cause additional differences in image content
- we have strongly anisotropic voxel sizes with much less through-plane resolution