Difference between revisions of "Projects:QIN:3D Slicer Annotation Image Markup:Design and Implementation"
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=User-level Workflow= | =User-level Workflow= |
Revision as of 21:14, 23 December 2011
Home < Projects:QIN:3D Slicer Annotation Image Markup:Design and ImplementationAM = annotations+markup
Contents
Implementation considerations
- We will use existing annotation hierarchies to organize the AM. AM will be organized into findings that will be located in the hierarchy under a particular volume. Each volume can have separate findings. Each finding can be assigned to only one volume.
- We are focused on the support of markup in 2D slices; 3D view annotations are secondary.
- The functionality needed to support connection between the data and AM will be added to Slicer core. User-level interactions will be available in a separate module.
- Markup is defined relative to the active slice of the active volume. AIM/DICOM SR do not have a notion of 3D coordinate space (needs verification). Slicer annotations will be restricted to be in-slice for the use cases of this project.
Markups to be supported
These will be decided based on the existing requirements from the use cases provided by the QIN community, and based on the existing capabilities of the AIM-enabled tools (OsiriX and ClearCanvas TCGA workstation). The tentative list in the order of priorities (not finalized):
- Ruler (measurement)
- Marker (OsiriX/ClearCanvas: callout?; 3D Slicer: fiducial (can we consider arrow, fiducial + orientation, in the future?))
- Polyline
- Ellipsoid/rectangle
- Text annotation (fiducial?)
- Angle
A big one: 3D segmentation (currently, not supported by either OsiriX or ClearCanvas, but is important for several QIN use cases).
User-level Workflow
Implementation-level Workflow
GUI module design
Implementation task list
Finalized:
- Add functionality to track the UID of the DICOM volume based on the current volume and IJK coordinates
- Add links between AM (hierarchy? finding?) and parent volume
To be discussed:
- IO support and details
- New/missing markup widgets
- Annotation template import and GUI
Discussion points
- From the QIN prospective, it seems to be more important to have a complete set of markups in-slice, without focusing on the support of 3d viever visualization. Is this OK with the Slicer development strategy?