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Abstract #2403

Low-Latency Reconstruction for Real-Time Speech MRI

Sagar Sudhakara1, Yongwan Lim1, Weiyi Chen1, Shrikanth Narayanan1, and Krishna S. Nayak1

1Electrical Engineering, University of Southern California, Los Angeles, CA, United States

Real-time MRI provides the ability to visualize dynamic processes as they occur. This may require low latency, defined as the total time between when a pose occurs and when a digital representation appears on a screen for interpretation and/or use by the scan operator. We explore the tradeoff between image quality and latency for speech production imaging, where high-latency constrained reconstruction is the current state-of-the-art. We demonstrate that image quality adequate for a) confirmation of stimuli compliance and b) identification of subject motion can be provided to the scan operator with a latency less than 70ms.

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