2012 Winter Project Week:RTSS

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Home < 2012 Winter Project Week:RTSS

Background

Need to add RT support for Slicer. There were some preliminary work in Slicer3 (using Plastimatch) and new efforts (Plastimatch, DCMTK/DCMRT, SparKit).

Key Investigators

  • MGH: Greg Sharp
  • NA-MIC: Steve Pieper
  • Queen's University: Andras Lasso

Objective

  • Find a good representation of RT structure sets in Slicer.

Approach, Plan

  • Specify requirements for representing structure sets in Slicer:
    • Support up to 100 structures
    • Display a name for each structure
    • Show/hide each structure
    • Manual editing of each structure
    • Rigid/deformable transform of the structures
    • DICOM-RT export
  • Decide on the design. Options:
    • Store each structure as one labelmap (lots of memory, data loss when converted from contours)
    • Store multiple structure in a labelmap as bitfield (limited to 32 structures, complicated editing, data loss when converted from contours)
    • Store as model or annotation contours (not the usual representation for segmented structures, models cannot be edited)
  • Implement the solution in Slicer4

Progress

  • Preliminary discussions

Delivery Mechanism

References