Classification of symmetric positive definite matrices based on bilinear isometric Riemannian embedding.
Xiaofeng XieZhu Liang YuZhenghui GuYuanqing LiPublished in: Pattern Recognit. (2019)
Keyphrases
- symmetric positive definite matrices
- dictionary learning
- vector space
- euclidean space
- manifold learning
- riemannian manifolds
- geodesic distance
- sparse representation
- sparse coding
- dimension reduction
- image classification
- support vector
- feature selection
- unsupervised learning
- affine invariant
- feature space
- multiscale
- feature extraction