In vivo high frame rate cartilage strain during knee varus combining spiral DENSE MRI and compressed sensing
Displacement encoding with stimulated echoes (DENSE) MRI is used to calculate pixel-level
deformation maps of soft tissues under repetitive motion. It is a powerful technique that can
quantify the mechanical behavior of tissues from displacement. We apply spiral DENSE MRI
on human knees and obtain multi-frame displacement and strain maps during varus loading,
leading to compressive motion on the medial condyle. Since high SNR DENSE images
require long scanning time which is costly and less tolerable for participants, we additionally …
deformation maps of soft tissues under repetitive motion. It is a powerful technique that can
quantify the mechanical behavior of tissues from displacement. We apply spiral DENSE MRI
on human knees and obtain multi-frame displacement and strain maps during varus loading,
leading to compressive motion on the medial condyle. Since high SNR DENSE images
require long scanning time which is costly and less tolerable for participants, we additionally …
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