System and method for adaptive bolus chasing computed tomography (CT) angiography
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United States of America Patent
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Apr 21, 2009
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app pub date -
Aug 29, 2005
filing date -
Aug 31, 2004
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Abstract
A method of utilizing bolus propagation and control for contrast enhancement comprises measuring with an imaging device a position of a bolus moving along a path in a biological structure. The method further comprises predicting a future position of the bolus using a simplified target model and comparing the predicted future position of the bolus with the measured position of the bolus. A control action is determined to eliminate a discrepancy, if any, between the predicted position of the bolus and the measured position of the bolus and the relative position of the imaging device and the biological structure is adaptively adjusted according to the control action to chase the motion of the bolus.
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