Abnormal behavior detection using sparse representations through sequential generalization of k-means.
Ahlam Al-DhamariRubita SudirmanNasrul Humaimi MahmoodPublished in: Turkish J. Electr. Eng. Comput. Sci. (2021)
Keyphrases
- abnormal behavior
- sparse representation
- k means
- dictionary learning
- high risk
- image classification
- sparse coding
- joint optimization
- clustering algorithm
- negative matrix factorization
- compressive sensing
- random projections
- signal processing
- compressed sensing
- face recognition
- computer vision
- image patches
- anomaly detection
- high dimensional data
- image representation
- neural network
- sparse reconstruction
- spectral clustering
- object tracking
- input image
- similarity measure
- machine learning