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Abstract #2857

FPGA based real-time sensitivity maps estimation using pre-scan method.

Tooba Khan1, Muhammad Faisal Siddiqui1, and Hammad Omer1

1Electrical Engineering, COMSATS Institute of Information Technology, Islamabad, Islamabad, Pakistan

Accurate estimation of the receiver coil sensitivities is critical for an error-free image reconstruction from under-sampled data in SENSE. This work proposes an FPGA (Field Programmable Gate Array) based application specific hardware, for real-time sensitivity maps estimation using pre-scan method. In the proposed work, SENSE reconstructions are performed using the sensitivity maps (computed from the proposed design) and the under-sampled data. The results show that the proposed architecture computes receiver coil sensitivity maps in only 1.466 ms for 8 receiver coils. Also, SENSE reconstructed images show a good mean SNR (30+dB) and low artefact-power (<6×10-4).

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