2010 Winter Project Week RobustStatisticsDrivenActiveContourSegmentation

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Home < 2010 Winter Project Week RobustStatisticsDrivenActiveContourSegmentation


Key Investigators

  • Yi Gao, Allen Tannenbaum, Georgia Tech
  • Andriy Fedorov, Katie Hayes, Ron Kikinis

Objective

Develop a general purpose active contour segmentor in Slicer3.

More detail and testing are at here.

Approach, Plan

Driven by the robust statistics, we provide an active contour segmentor module for general purpose in Sclier3. The algorithm will simultaneously extract multiple objects in the scene given some user provided labels.


Plan for project week: Integrated into Slicer3 using interactive module.

Progress

The CLI is already on Extension server and ready to be used through extension manager in Slicer.

The next step is to change the user input manner from fiducial points to label maps.

Furthermore, we plan to use multiple labels to simultaneously extract multiple objects.

Work done during this week

  • Use label map, instead of fiducial points, as input. This brings two benefits:
    • User friendly: easier to set more seeds ===> Better knowledge.
    • Can assign different labels
  • Simultaneous multi-object segmentation
  • Keep the history. Though level set can not go backward. Use can pull scroll bar back if contour leakages, don't have to start from beginning again.

References

  • NA-MIC Publications Database
  • Yang, Y. and Tannenbaum, A. and Giddens, D. and Coulter, WH, "Knowledge-based 3D segmentation and reconstruction of coronary arteries using CT images", in IEEE EMBS 2004, pp1664--1666