Systems and methods for free-breathing cine DENSE MRI using self-navigation

A system comprising:

• a data acquisition device configured to acquire magnetic resonance data for an area of interest of a subject, wherein the acquiring comprises performing sampling with phase-cycled, cine displacement encoding with stimulated echoes (DENSE) during free-breathing of the subject;
• one or more processors coupled to the data acquisition device and configured to cause the system to perform functions including:
• identifying, from the acquired magnetic resonance data, a plurality of phase-cycling data pairs corresponding to matched respiratory phases of the free-breathing of the subject;
• reconstructing, from the plurality of phase-cycling data pairs, a plurality of intermediate self-navigation images of the area of interest of the subject;
• performing motion correction by estimating, from the plurality of intermediate self-navigation images, the respiratory position associated with the plurality of phase-cycling data pairs;
• and
• reconstructing a plurality of motion-corrected cine DENSE images of the area of interest of the subject.

A non-transitory computer-readable medium having stored instructions that, when executed by one or more processors, cause one or more computing devices to perform functions that comprise:

• acquiring magnetic resonance data for an area of interest of a subject, wherein the acquiring comprises performing sampling with phase-cycled, cine displacement encoding with stimulated echoes (DENSE) during free-breathing of the subject;
• identifying, from the acquired magnetic resonance data, a plurality of phase-cycling data pairs corresponding to matched respiratory phases of the free-breathing of the subject;
• reconstructing, from the plurality of phase-cycling data pairs, a plurality of intermediate self-navigation images of the area of interest of the subject;
• performing motion correction by estimating, from the plurality of intermediate self-navigation images, the respiratory position associated with the plurality of phase-cycling data pairs;
• and
• reconstructing a plurality of motion-corrected cine DENSE images of the area of interest of the subject.