Project Week 25/NeedleSegmentation

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Key Investigators

Project Description

NeedleFinder is a tool for segmentation of needles from MR scans which requires manual initialization of the tip of the needle. It has been tested extensively on MR-guided gynecologic brachytherapy data, and preliminarily on MR-guided prostate biopsy data. In this project, we aim to eliminate this reliance on manual interaction and develop a completely automatic strategy to segment the needles. We have tested a CNN approach that provides good results, even if a post processing step must be implemented in order to remove some noise and to refine the obtained segmentations.

Objective Approach and Plan Progress and Next Steps
  • Refine/clear the segmentations coming from the CNN algorithm.
  • Figure out how to transfer MRIs to a server hosting the CNN code and get back the results.
  • Clustering and morphological filters for data cleaning.
  • Talk with someone from the core team to figure out how to remotely process the data.

TBD

Illustrations

home_cropped.jpg

Background and References

  1. NeedleFinder website
  2. Model-based Catheter Segmentation in MRI-images