Abstract #1765

GROG Based Sensitivity Map Estimation for Radial Data in MRI

mahwish khan¹, Taquwa Aslam¹, and Hammad Omer¹

¹Electrical Engineering, COMSATS institute of information technology, Islamabad, Pakistan

The estimation of receiver coil sensitivity profiles is required for many PMRI algorithms including CG-SENSE. Conventionally,CG-SENSE uses pre-scan method to estimate the sensitivity maps for which a separate scan is required. The novelty in this work is the use of GROG gridding on the central region of the acquired under-sampled cardiac radial data to estimate the receiver coil sensitivities using Eigen-value method. The results show that GROG based sensitivity map estimation (proposed method) is an effective method without any requirement of a prior scan or body coil image.

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