Method and apparatus for automated delineation of structure shape for image guided treatment planning
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United States of America Patent
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Sep 1, 2015
Grant Date -
Nov 6, 2014
app pub date -
May 3, 2013
filing date -
May 3, 2013
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Abstract
Disclosed herein are techniques for performing automated structure delineation on image data using trained landmark detectors and a shape refinement tool. The landmark detectors can be trained to detect a landmark in the image data based on image features that are indicative of intensity variations over a plurality of windows of the image data points. A machine-learning algorithm can be used to train the landmark detectors. The landmarks in the image data that are detected by the trained landmark detects can be used to initialize an iterative shape refinement to thereby compute a refined shape estimate for a structure of interest such as a prostate.
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