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Magnetic resonance imaging (MRI) systems and methods for determining and adjusting inversion time (TI) using single-line acquisition and automatic compartment detection
Magnetic resonance imaging (MRI) systems and methods for determining and adjusting inversion time (TI) using single-line acquisition and automatic compartment detection
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机译:使用单行采集和自动隔室检测来确定和调整反转时间(TI)的磁共振成像(MRI)系统和方法
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摘要
Magnetic resonance imaging (MRI) systems and methods for determining and adjusting TI using single-line acquisition and automatic compartment detection. A method includes positioning a readout line of the MRI scanner through a compartment of interest of a region of interest in a subject. The method includes inverting magnetization within the readout line by playing an inversion pulse; and reading out data along the readout line after play of the inversion pulse. The method also includes determining a T1 value for each pixel along the readout line; determining the pixels that belong to first and second portions within the compartment of interest; determining a T1 value of each of the first and second portions by averaging the pixels within each portion; and determining an inversion time based on the determined T1 values such that the compartment of interest has a desired magnetization in an image to be acquired.
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