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Abstract #4493

Respiratory Motion Corrected GROG based L+S Reconstruction for Free Breathing Golden-Angle Radial MRI

Ahmad Hussain1, Faisal Najeeb1, Ibtisam Aslam1, Hammad Omer1, and Mujahid Nisar1

1Electrical Engineering, Comsats University Islamabad, Islamabad, Pakistan

Respiratory motion during MRI scan causes inconsistencies in the acquired k-space data providing strong blurring artifacts in the reconstructed images. In this work, a new method ( respiratory motion corrected GROG followed by L+S reconstruction for free breathing Golden-Angle Radial DCE-MRI) is presented.The proposed method is tested on 3-T free-breathing Golden angle radial DCE liver MRI data. The proposed method is compared with the conventional L+S reconstruction model. The proposed method provides 90% improvement in Artefact Power and 42% in RMSE as compared to conventional L+S reconstruction at acceleration factor 8.

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