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METHOD AND APPARATUS FOR RECONSTRUCTING IMAGE DATA FROM UNDERSAMPLED RAW MAGNETIC RESONANCE DATA AND REFERENCE DATA
METHOD AND APPARATUS FOR RECONSTRUCTING IMAGE DATA FROM UNDERSAMPLED RAW MAGNETIC RESONANCE DATA AND REFERENCE DATA
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机译:从未采样的原始磁共振数据和参考数据重建图像数据的方法和装置
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摘要
In a method and magnetic resonance (MR) apparatus for reconstruction of image data of an examination object from undersampled raw MR data and reference data, undersampled raw data are used that were recorded from an examination region of the examination object by an MR control sequence, to which a reconstruction algorithm for the reconstruction of image data is assigned. A disturbance variable in the examination region is determined. A modulation function is established, which describes the influence of the disturbance variable on the MR control sequence. Modulated reference data are created on the basis of the modulation function and the reference data such that the modulated reference data are subjected to the influence of the disturbance variable on the raw data recorded by the MR control sequence. A combination algorithm is executed in order to reconstruct image data from the undersampled raw data with the use of the modulated reference data.
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