Sparse representation based classification with intra-class variation dictionary on symmetric positive definite manifolds.
Hiroyuki KasaiKohei YoshikawaPublished in: ISSPIT (2017)
Keyphrases
- sparse representation based classification
- riemannian manifolds
- sparse representation
- face recognition
- sparse coding
- manifold learning
- euclidean space
- face images
- high dimensional
- vector space
- low dimensional
- parameter space
- feature space
- geometric structure
- feature extraction
- reproducing kernel hilbert space
- multi class classification
- image patches
- data sets
- geodesic distance
- mean shift
- high dimensional data
- image representation
- signal processing
- small number