BUDA-SAGE is an efficient multi-shot echo‐planar imaging (EPI) sequence that provides multiple distortion-free T2*-, T2’- and T2-weighted contrasts for quantitative mapping. In this work, we employ Slider encoding to reach 1 mm isotropic resolution by performing super-resolution reconstruction on volumes acquired with 2 mm slice thickness. A self-supervised neural network MR-Self2Self (MR-S2S) was utilized to perform denoising to boost SNR. Estimated quantitative maps showed consistent values with conventional mapping methods in phantom and in-vivo measurements. We demonstrate that BUDA-SAGE acquisition with self-supervised denoising and Slider encoding enables rapid, distortion-free, whole-brain T2/T2* mapping at 1 mm isotropic resolution under 90 seconds.
How to access this content:
For one year after publication, abstracts and videos are only open to registrants of this annual meeting. Registrants should use their existing login information. Non-registrant access can be purchased via the ISMRM E-Library.
After one year, current ISMRM & ISMRT members get free access to both the abstracts and videos. Non-members and non-registrants must purchase access via the ISMRM E-Library.
After two years, the meeting proceedings (abstracts) are opened to the public and require no login information. Videos remain behind password for access by members, registrants and E-Library customers.
Keywords