Iris recognition using ordinal encoding of Log-Euclidean covariance matrices.
Peihua LiGuolong WuPublished in: ICPR (2012)
Keyphrases
- covariance matrices
- log euclidean
- covariance matrix
- maximum likelihood
- riemannian metric
- vector space
- gaussian distribution
- affine invariant
- gaussian mixture model
- valued data
- diffusion tensor
- tensor field
- distance measure
- linear classifiers
- euclidean space
- lie group
- feature vectors
- sample size
- expectation maximization
- mixture model
- spd matrices
- magnetic resonance images
- anisotropic diffusion
- riemannian manifolds
- em algorithm
- probability distribution
- computer vision