Isotropic PCA and Affine-Invariant Clustering
S. Charles BrubakerSantosh S. VempalaPublished in: CoRR (2008)
Keyphrases
- affine invariant
- affine transformation
- k means
- principal component analysis
- principal components analysis
- multiscale
- clustering algorithm
- scale invariant
- contour matching
- object matching
- affine invariance
- region descriptors
- feature detectors
- high dimensional
- feature extraction
- low dimensional
- dimensionality reduction
- face recognition
- learning algorithm
- convex hull
- fourier descriptors
- object recognition
- tensor field
- three dimensional