Self-supervised Motion Descriptor for Cardiac Phase Detection in 4D CMR Based on Discrete Vector Field Estimations.
Sven KoehlerTarique HussainHamza HussainDaniel YoungSamir SarikouchThomas PickardtGerald GreilSandy EngelhardtPublished in: STACOM@MICCAI (2022)
Keyphrases
- vector field
- motion field
- optical flow
- cardiac motion
- velocity field
- left ventricle
- wall motion
- image sequences
- motion analysis
- motion estimation
- motion segmentation
- motion model
- critical points
- gradient field
- left ventricular
- shape descriptors
- displacement field
- computer vision
- scalar field
- motion parameters
- flow field
- optical flow estimation
- external force
- displacement vectors
- least squares
- patient specific
- beating heart
- motion compensation
- moving objects