Efficient border extraction of image feature
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United States of America Patent
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Mar 29, 2011
Grant Date -
Mar 20, 2008
app pub date -
Sep 10, 2007
filing date -
Sep 14, 2006
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Abstract
Method of segmenting mammography image comprising steps of: scanning along row from outermost pixel towards the breast and comparing grayscale gradient across adjacent pixels until a significant gradient is determined; confirming that variation in gradient indicates a first true boundary pixel by ascertaining gradient across subsequent pixels is still significant;iteratively repeating steps of:
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