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Slicer 4: general GUI

"flicker bug": when moving cursor out of FOV, the app locks up for seconds to minutes displaying "flicker" in the magnifying view. -> known & reported in Mantis
GUI: does not highlight bottom parts of pulldown menu (e.g. rename volume). Very non-intuitive behavior that makes it difficult for the user to know what was actually selected from the menu. -> known & reported in Mantis
Data module: MRML viewpanel really needs to be bigger and resizable! Very cumbersome to navigate once more than 4 pieces of data are loaded. -> known & reported in Mantis

Slicer 4: Registration modules

move old versions to a "Legacy" menu: Fast Rigid, Fast Affine, Fast NonrigidBSpline -> done.
cannot yet test ACPC module and Fiducial Registration module, since main "Fiducials" menu is not yet avail. -> fiducials are now under "Annotations"
crash when moving volumes in MRML tree
crash when adjusting slice views
BRAINSfit not yet implemented -> plan to implement as statically compiled module, using ITK4 beta. See RSNA devel. plan: [1]
Main functionality testing:
- fast affine: ok
- fast rigid: ok
- fast BSpline: ok
- expert auto:
  - "Apply" button does not dim when clicked & reg. is running -> known & reported in Mantis
  - progress bars not functional
  - Expert Auto Rigid: ok
  - Expert Auto Affine: ok
  - Expert Auto PipelineRigid:
  - Expert Auto PipelineAffine:
  - Expert Auto BSpline:
  - Expert Auto PipelineBSpline:

RSNA Demo page
Suggested cases:
- Case 06: Breast Cancer MRI: impressive if successful, but narrow parameter range for success, old BSpline seems to work better than BRAINSfit
- Case 31: TBI: very strong pre-post differences. Complex dataset. Difficult to define best DOF so as not to register away differences of interest.
- Case 36: Head & Neck Cancer CT: straightforward, good result, but inter-subject
- Case 42: Infant Brain MRI: Difficult to define best DOF so as not to register away differences of interest.