Difference between revisions of "User:Inorton/Slicer4:DTMRI Thoughts"

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==Audiences==
 
* Clinical/research end users: need simple, efficient, relatively intuitive workflow to generate tractography and perform selection and statistics operations.
 
* Pipeline users: the underlying implementations need to be abstracted sufficiently to allow creation of pipeline tools for large-study purposes.
 
* Clinical developers: integrate DTI functionality for domain-specific purposes (neurosurgery, neurology, etc.)
 
* DTI Researchers:
 
** Could use Slicer+ipython+numpy+... instead of matlab and custom code. Advantages: data-reading and visualization boilerplate code already exists. Disadvantages: learning curve; the python suite is less integrated than matlab, but it's getting better. Stability: matlab rarely crashes.
 
** Implementation of new algorithms in Slicer opens up larger userbase.
 
  
==Slicer advantages==
 
 
There are several excellent DTI-centric applications (see big list of DTI software: [[User:inorton/DTI_Software]]). What advantages does Slicer have for DTI work?
 
 
* More user-friendly data loading: TrackVis requires command line preprocessing; MedInria and TrackVis require manual gradient entry;  DTI studio is limited to ROI exploration only (as far as I know)
 
* Many segmentation options already available - no external tool (TrackVis, DTI Studio) or separate interface (MedInria) required.
 
* Already integrated with intra-operative systems via OpenIGTLink functionality
 
* Open-source license (TrackVis closed, MedInria is non-commercial, DTI Studio closed)
 
* DicomToNRRDConverter test suite: testing process in development for images from many different scanner types.
 
 
==Slicer disadvantages==
 
(this is referring to Slicer3: these areas need improvement in Slicer 4)
 
 
* Current fiber data model is inefficient for large (tens of thousands) of fiber tracts.
 
* Missing good ROI selection, clustering, and editing capability for pre-computed fibersets.
 
* Subset selection and separation is inefficient.
 
* Labelmap seeding is not multi-threaded so whole-brain tractography takes forever.
 

Latest revision as of 20:16, 13 July 2018