Method and system for device detection in 2D medical images
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United States of America Patent
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Aug 23, 2016
Grant Date -
Jan 10, 2013
app pub date -
Jul 2, 2012
filing date -
Jul 7, 2011
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Abstract
A method and system for device detection in a 2D medical image. In order to account for shape variation of a 3D object in a 2D imaging plane, a hierarchical tree-structured array of trained classifiers is used to detect a 3D object, such as a pigtail catheter in a 2D medical image, such as a fluoroscopic image. The hierarchical tree-structured array of trained classifiers increases a dimensionality of the search space with each hierarchical level, and as the search space is increased, the classification is split into object sub-classes using trained classifiers independently trained for each sub-class.
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