Method of segmenting anatomic entities in 3D digital medical images
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United States of America Patent
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Sep 8, 2015
Grant Date -
Jul 29, 2010
app pub date -
Jun 10, 2008
filing date -
Jun 19, 2007
priority date (Note) -
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Abstract
For each of a number of landmarks in an image an initial position of the landmark is defined. Next a neighborhood around the initial position comprising a number of candidate locations of the landmark, is sampled and a cost is associated with each of the candidate locations. A cost function expressing a weighted sum of overall gray level cost and overall shape cost for all candidate locations is optimized. A segmented anatomic entity is defined as a path through a selected combination of candidate locations for which combination the cost function is optimized. During optimization towards the optimal segmented surface/volume graph traversal methods are exploited.
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