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README.md

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+# 4D MR Imaging - Self-navigated 4D Cartesian Imaging of Periodic Motion
+Acquistion and reconstruction method for MR motion imaging and correction
+
+## Acquisition
+A Cartesian 3D random Gaussian ESPReSSo subsampling is proposed which acquires a random combination of k-space lines ky and kz in each repetition, as illustrated in the Figure below. Periodically the central k-space lines are acquired which serve as a self-navigation signal in the reconstruction.
+- precompiled 4D MR imaging sequence: CS_Retro (Siemens, VB20P)
+
+## Reconstruction
+- self-navigation signal extraction
+- gating procedure
+- for the CS reconstruction, please refer to https://github.com/thomaskuestner/CS_LAB
+
+--------------------------------------------------------
+Please read LICENSE file for licensing details.
+
+Detailed information are available at:
+https://sites.google.com/site/kspaceastronauts/motion-correction/4d-mr-imaging