Manifold Learning via Linear Tangent Space Alignment (LTSA) for Accelerated Dynamic MRI With Sparse Sampling.
Yanis DjebraThibault MarinPaul K. HanIsabelle BlochGeorges El FakhriChao MaPublished in: IEEE Trans. Medical Imaging (2023)
Keyphrases
- manifold learning
- principal curves
- subspace learning
- tangent space
- sparse sampling
- grassmann manifold
- low dimensional
- dimensionality reduction
- semi supervised
- dimension reduction
- riemannian manifolds
- high dimensional
- magnetic resonance imaging
- locally linear embedding
- feature extraction
- magnetic resonance images
- linear subspace
- sparse representation
- medical images
- feature space
- data sets
- geodesic distance
- pattern recognition
- manifold structure
- principal component analysis