Difference between revisions of "Slicer:Image Editor"

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= Goal =
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As part of [[Engineering:Programmers_Week_Summer_2005#Slicer3.0_Architecture_Kickoff|the slicer 3 architecture discussion]] we've realized that a very commonly used tool in slicer is the Editor module for defining regions of interest in volumetric medical image data sets.
 
 
 
NA-MIC is in a unique position of being able to dedicate significant resources toward core software infrastructure development. Several people have commented on the fact that the image editor is a critical tool, but not likely to generate "research" results so it is a difficult project to fund through traditional grant mechanisms.
 
 
 
= Background and Motivation =
 
 
 
Slicer's editor module is essentially unchanged since it's initial implementation by Dave Gering in the early versions of slicer. It has been used extensively by the Core 3 DBP group at Harvard/VA for morphometric studies and by other BWH-related groups. It has significant functionality, but also has some distinct limitations.
 
 
 
As part of [[Dissemination:Workshop_May_26-27_2005UseCaseDiscussion|the Dartmouth Dissemination Workshop]], the day-to-day importance of custom tools for morphometry was a recurring comment.
 
 
 
As we have been discussing areas of collaboration with [[Slicer:Simbios_Editing_Modifications|summarized here]].
 
 
 
The image editor should provide a good driver for functionality in the core of a new slicer architecture because of the need for:
 
 
 
* highly customized UI, yet easy to use by non-programmers
 
* interoperable with other programs such as automatic segmentation tools
 
* combination of 2D and 3D interaction
 
 
 
= Use Cases =
 
 
 
== Morphometry ==
 
 
 
Within the BWH community, the largest use has been to outline cortical and subcortical brain structures to obtain anatomically accurte ROI analyses for a number of purposes such as to measure differences in volume of key structures between subject groups (e.g. schizophrenics vs controls).
 
 
 
== Shape Analyses ==
 
 
 
Accurate ROIs can be further analyzed by shape analysis techniques.
 
 
 
== Secondary Measures within ROI ==
 
 
 
Quantities derrived from fMRI (e.g. activation statistics) or DTMRI (e.g. FA) are often compared within anatomical regions.
 
 
 
== Input for Simulation ==
 
 
 
Simbios and other simulation efforts use 3D models as input to physical simulations such as neuromusculoskeletal dynamics.
 
 
 
== Basis for Further Computation ==
 
 
 
Labeled ROIs can be used as the starting point for seeds in tractorgraphy analyses, for example.
 
 
 
== Surgery Planning ==
 
 
 
Manual ROI drawing is used to define items such as tumor outlines that are not extractable automatically.
 
 
 
== Many Others.... ==
 
 
 
= Key Functional Requirements =
 
 
 
= Implemenation Plans =
 

Revision as of 22:03, 20 May 2008

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