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Abstract #0105

Real-time SENSE reconstruction using pre-scan and E-maps sensitivities

Muhammad Faisal Siddiqui1, Abubakr Shafique2, Yousif Rauf Javed2, Talha Ahmad Khan2, Hamza Naeem Mughal2, Ahmed Wasif Reza1, Hammad Omer2, and Jeevan Kanesan1

1Electrical Engineering, University of Malaya, Kuala Lumpur, Malaysia, 2Electrical Engineering, COMSATS Institute of Information Technology, Islamabad, Pakistan

FPGA (Field Programmable Gate Array) based application specific hardware, for real-time Sensitivity Encoding (SENSE) reconstruction, embedded on the receiver coil system may provide reconstruction without transferring the data to the MRI server. This may dramatically decrease the transmission cost of the system and the image reconstruction time. This paper proposes an FPGA implementation of SENSE algorithm using two different sensitivity maps estimation methods (pre-scan and E-maps). The results show that the proposed system consumes only 145.64 μs for SENSE reconstruction (acceleration factor=2), while maintaining the quality of the reconstructed images with good mean SNR (29+ dB) and significantly less artefact power (<9×10-4) values.

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