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System and Method for Proton Density Mapping and Receiver Bias Correction Using Magnetic Resonance Fingerprinting (MRF)
专利权人:
Case Western Reserve University
发明人:
Mark A. Griswold,Anagha Deshmane
申请号:
US16461549
公开号:
US20190353718A1
申请日:
2017.11.15
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A system and method is provided for correcting receiver bias during quantitative proton density mapping with magnetic resonance fingerprinting (MRF). The method comprises acquiring MRF data from a region of interest in a subject by performing a pulse sequence using a series of varied sequence blocks to elicit a series of signal evolutions. The method further comprises comparing the MRF data to a MRF dictionary to simultaneously map proton density and another tissue property from the region of interest, the proton density map having a proton density signal and a receiver sensitivity profile signal. The method also includes quantifying the proton density signal and the receiver sensitivity profile signal using parameters provided by the proton density map and the tissue property map, and generating a quantitative map from the region of interest based on the proton density signal.
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