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Abstract #3102

Accelerated Propeller FSE-DWI with Unrolled Deep Learning Reconstruction at 1.5T Clinical MRI

Uten Yarach1, Atita Suwannasak1, and Prapatsorn Sangpin2
1Radiologic Technology, Chiang Mai University, Chiang Mai, Thailand, 2Philips Healthcare (Thailand), Bangkok, Thailand

Synopsis

Keywords: Image Reconstruction, BrainFast spin echo diffusion magnetic resonance imaging (FSE-DWI) is often referred to as a standard for MRI diagnosis of Cholesteatoma. However, the acquired data require multiple steps during image reconstruction which turn out high residual artifacts. In this work, we develop rapid reconstruction for propeller FSE-DWI to improve its signal-to-noise ratio (SNR) through unrolled deep learning (DL) framework. Results show that the proposed unrolled DL reconstruction enables increasing bout 2x SNR compared to SNR obtained by online reconstructed images. Moreover, its speed is about 200x faster than conventional locally low rank constraint reconstruction.

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