Adaptive parallel acquisition and reconstruction of dynamic MR images

Behzad Sharif (Inventor), Nitin Aggarwal (Inventor), Yoram Bresler (Inventor)

Research output: Patent


A method for acquiring magnetic resonance (MR) data from a dynamic object in which a k-space sampling schedule are produced. The k-space sampling table is produced using a spatio-temporal model of the beating heart, time sequential sampling theory and a known number of parallel receive channels (coils). The imaging pulse sequence is repeated to play out the phase encodings in the order listed in the k-space sampling schedule and the k-space data sets acquired through the parallel receive channels are combined and used to reconstruct a sequence of images. The method is an improved process for dynamic MRI, designed to overcome the limitations of current MRI systems in imaging dynamic phenomena and produces highly accurate motion movies of the structure, function, perfusion and viability of various anatomical regions in MRI subjects such as the beating heart, flow of contrast agents in blood vessels, brain excitation, or joint movement.
Original languageEnglish (US)
U.S. patent number7423430
Filing date4/6/07
StatePublished - Sep 9 2008


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