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SYSTEMS AND METHODS FOR IDENTIFYING BONE MARROW IN MEDICAL IMAGES

  • US 20110158494A1
  • Filed: 12/30/2009
  • Published: 06/30/2011
  • Est. Priority Date: 12/30/2009
  • Status: Active Grant
First Claim
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1. A method for identifying bone marrow in medical image data, the method comprising:

  • obtaining a three-dimensional (3D) computed tomography (CT) volume data set corresponding to an imaged volume;

    identifying voxels in the 3D CT volume data set having a Hounsfield Unit (HU) value below a bone threshold, the voxels identified without using image continuity;

    marking the identified voxels as non-bone voxels;

    determining definite tissue voxels based on the identified non-bone voxels;

    expanding a region defined by the definite tissue voxels;

    segmenting the expanded region to identify bone voxels and bone marrow voxels; and

    identifying bone marrow as voxels that are not the bone voxels.

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