On Sectional Curvatures of (ε)-Sasakian Manifolds.
Rakesh KumarRachna RaniRakesh Kumar NagaichPublished in: Int. J. Math. Math. Sci. (2007)
Keyphrases
- manifold learning
- euclidean space
- geometric properties
- low dimensional
- cell complexes
- feature space
- locally linear
- arbitrary dimension
- data sets
- biomedical images
- image analysis
- manifold alignment
- endoscopic video
- database
- natural image patches
- principal curves
- laplacian eigenmaps
- riemannian manifolds
- geometric structure
- dimension reduction
- human faces
- level set
- image processing