Fast PCA in 1-D Wasserstein Spaces via B-splines Representation and Metric Projection.
Matteo PegoraroMario BerahaPublished in: AAAI (2021)
Keyphrases
- b spline
- piecewise polynomial
- principal component analysis
- basis functions
- control points
- principal components
- tensor product
- least squares
- feature space
- metric space
- affine transformation
- distance measure
- high dimensional
- three dimensional
- principal components analysis
- riemannian manifolds
- discriminant projection
- face recognition
- dimensionality reduction
- reinforcement learning
- free form deformation
- reduced dimensionality