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SYNTHETIC PARAMETER-WEIGTHED IMAGES BASED ON RELAXOMETRY (SPARE)

机译:基于放宽法的合成参数加权图像(备用)

摘要

The present invention relates to a magnetic resonance (MR) imaging technique which provides high contrast images at low data acquisition times that is not limited to but especially advantageously applicable at high magnetic fields, thereby providing particularly high spatial resolution. The invention is implemented as a magnetic resonance imaging method as well as a respective device and a computer program product. The Magnetic resonance imaging method comprises providing a T2 -map, which specifies for a plurality of voxels in a two-dimensional section of a target to be investigated a value T2 of the magnetic resonance transverse relaxation time; deducing for each voxel a simulation time parameter value T1* from the respective value T2; providing a functional relationship S = S(T1) between a magnetic resonance signal S that is expected to be measured for a predefined magnetic resonance pulse sequence and a value T1 of the magnetic resonance longitudinal relaxation time at each voxel; calculating an imaging signal S* = S(T1*), and outputting a two-dimensional image of the imaging signal S* = S(T1*).
机译:磁共振(MR)成像技术领域本发明涉及一种磁共振(MR)成像技术,该技术在低数据采集时间提供高对比度图像,该技术不限于但特别有利地适用于高磁场,从而提供特别高的空间分辨率。本发明被实现为磁共振成像方法以及相应的设备和计算机程序产品。磁共振成像方法包括提供 T 2 -映射,该映射为要研究的目标的二维截面中的多个体素指定值 T 2 的磁共振横向弛豫时间;从各个值 T 2 推导出每个体素的模拟时间参数值 T 1 *;在磁共振信号 S 之间提供函数关系 S = S T 1 )期望针对预定的磁共振脉冲序列和每个体素的磁共振纵向弛豫时间的值 T 1 测量I>;计算成像信号 S * = S T 1 *),并输出二维图像成像信号 S * = S T 1 *)。

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