Anomaly Detection in Crowded Scenes Using Log-Euclidean Covariance Matrix.
Efsun Sefa SezerAhmet Burak CanPublished in: VISIGRAPP (4: VISAPP) (2018)
Keyphrases
- anomaly detection
- log euclidean
- covariance matrix
- behavior analysis
- covariance matrices
- principal component analysis
- positive definite
- affine invariant
- riemannian metric
- sample size
- gaussian mixture
- riemannian manifolds
- euclidean space
- vector space
- diffusion tensor
- maximum likelihood
- tensor field
- lie group
- machine learning
- computational complexity
- objective function