Crowd Abnormality Detection and Localization: A Matrix Decomposition Approach.
Vikas GuptaSoma BiswasPublished in: ICVGIP (2014)
Keyphrases
- abnormality detection
- matrix decomposition
- low rank
- nonnegative matrix factorization
- latent structure
- low rank matrix
- singular value decomposition
- singular values
- data summarization
- convex optimization
- data matrix
- least squares
- low rank approximation
- missing data
- left ventricular
- multidimensional scaling
- point correspondences
- high dimensional data
- bayesian networks