Principal Manifolds and Nonlinear Dimensionality Reduction via Tangent Space Alignment.
Zhenyue ZhangHongyuan ZhaPublished in: SIAM J. Sci. Comput. (2004)
Keyphrases
- nonlinear dimensionality reduction
- tangent space
- riemannian manifolds
- manifold learning
- euclidean space
- principal curves
- low dimensional
- mean shift
- lie group
- dimensionality reduction
- vector space
- multi class classification
- metric space
- geometric structure
- manifold structure
- shape analysis
- geodesic distance
- covariance matrices
- high dimensional
- graph cuts
- image processing
- parameter space
- covariance matrix
- euclidean distance