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. Author manuscript; available in PMC: 2018 Jan 3.
Published in final edited form as: IEEE Trans Med Imaging. 2017 Jul 4;37(1):47–60. doi: 10.1109/TMI.2017.2723545

Fig. 2.

Fig. 2

Illustration of MR-based motion compensation for augmented fluoroscopy. Input data is colored in green, pre-procedural processing steps in blue, real-time processing steps in red. Two MR acquisitions are necessary, a 3-D volume for segmenting the structures of interest and dynamic MR slices for motion modeling. ECG is required in MR and X-ray to inform about the cardiac phase. X-ray images are displayed to the physician and used to extract the respiratory signal during the intervention. Best viewed in color.