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Abstract #4590

Reduced Noise Enhancement in Whole-Brain Multiband-RASER

Ute Goerke1

1Radiology, CMRR/University of Minnesota, Minneapolis, MN, United States

High acceleration is an effective tool to achieve whole brain coverage with acceptable total acquisition times. A limitation of parallel imaging is high noise amplification at high acceleration factors. In this work, an algorithm for parallel imaging of RASER in two dimensions implemented. The noise enhancement is theoretically derived and experimentally validated. Results show that even at high acceleration noise amplification remains low and high resolution whole brain images can be obtained with RASER.

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