Clustering Symmetric Positive Definite Matrices on the Riemannian Manifolds.
Ligang ZhengGuoping QiuJiwu HuangPublished in: ACCV (1) (2016)
Keyphrases
- symmetric positive definite matrices
- riemannian manifolds
- dictionary learning
- valued data
- euclidean space
- vector space
- sparse coding
- log euclidean
- multi class classification
- sparse representation
- manifold learning
- geometric structure
- mean shift
- data points
- covariance matrices
- matrix valued
- parameter space
- unsupervised learning
- low dimensional
- dw mri
- medical images
- symmetric positive definite
- density estimation
- euclidean distance
- high dimensional data
- knn