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DYNAMIC MRI WITH IMAGE RECONSTRUCTION USING COMPRESSED SENSING
DYNAMIC MRI WITH IMAGE RECONSTRUCTION USING COMPRESSED SENSING
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机译:利用压缩传感进行图像重建的动态MRI
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摘要
The invention relates to a method of MR imaging of an object (10) placed in an examination volume of a MR device (1). The method comprises the steps of: subjecting the object (10) to an imaging sequence for acquiring MR signal data, wherein the MR signal data are acquired as a function of k-space position and time by using an irregular k-space sampling pattern with sub-sampling of k-space; reconstructing MR image data from the MR signal data, which MR image data comprise spatial dimensions and a frequency dimension, sparsity of the MR image data in a transform domain being exploited for suppressing sub-sampling artefacts in the MR image data. Moreover, the invention relates to a MR device (1) and to a computer program.
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