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Diffusion MRI is a widely-used non-invasive imaging method for studying tissue microstructure but often suffers from low signal-to-noise ratios when using high b values. Here, we present a diffusion MRI acquisition technique that can achieve significantly higher SNR efficiency while providing distortion-free high-quality images. It achieves high robustness to phase variations and motion and provides an efficient acquisition technique for microstructural diffusion imaging. Ultra-high b-value and time-dependent experiments were performed to evaluate the improved SNR efficiency of Romer-EPTI.
Wang et al. (Wed,) studied this question.
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