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Abstract #1771

Line profile measure as a stopping criterion in CG-SENSE Reconstruction

Taquwa Aslam1, Mahwish Khan1, Ali Raza Shahid1, and Hammad Omer1

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

CG SENSE is an iterative algorithm used in PMRI for MR image reconstruction from under-sampled data. One major limitation of CG-SENSE is the appropriate choice of the number of iterations required for good reconstruction results.This paper proposes the use of a correlation measure between the line profiles of the reconstructed images in the current and the previous iteration, as a stopping criterion for the CG-SENSE algorithm. Results of the proposed method are compared with the Bregman distance stopping criterion. The results show that the use of line profile correlation measure acts as an effective stopping criterion in CG-SENSE.

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