… excluded because of withdrawal prior to MRI. Two more … over multiple respiratory cycles and
binned retrospectively, … both breath-hold and free-breathing 3D UTE gradient-echo MRI for …

… This chapter describes how UTE-MRI is used for pulmonary … is retrospectively binned based
on the respiratory motion, it … a period of bulk motion that could be removed to further improve …

… which utilize motion tracking for retrospective motion correction … is used to remove the data
with irregular motion (Figure 1A). … the bulk motion of the baby; then, the data corrupted by bulk …

… affect both SNR and motion blurring in retrospectively gated reconstructions of lung MRI,
using both … Periods of intermittent bulk motion were identified and discarded in MATLAB using …

… Pulmonary UTE acquisitions are most often performed with respiratory-gating (either
prospective or retrospective… whole lung coverage and reduced cardiac motion sensitivity (53). …

… is challenging due to respiratory and cardiac motion, the … in end-expiration using
retrospective gating and an iterative … of UTE MRI in breath-hold maneuver (11), both free-breathing …

… acquisition time, we also retrospectively clipped the data from the end … (A) Flowchart for
extraction of respiratory signal from SI … binning but did not detect or reject bulk motion, which can …

… clinical application of proton pulmonary UTE MRI. Moreover, … , we did not address bulk
motion during the lung MRI scans. … to August 2022 and were retrospective included in this study. …

… This bottleneck is critical not only for removal of undersampling … of free breathing,
retrospectively gated 3D pulmonary UTE … to irregular respiratory and bulk motion can significantly …

… In this work we show that self-gating signals from a single-… retrospective respiratory motion
extraction with Pilot Tone and … 3D programmable motion (respiration and bulk movement), MR …