Sparse Representation and Weighted Clustering Based Abnormal Behavior Detection.
Dongliang JinSonghao ZhuSongsong WuXiao-Yuan JingPublished in: ICPR (2018)
Keyphrases
- sparse representation
- abnormal behavior
- dictionary learning
- sparse coding
- compressive sensing
- face recognition
- high risk
- image classification
- image patches
- signal processing
- piecewise smooth
- reconstruction error
- object tracking
- high dimensional data
- image representation
- negative matrix factorization
- random projections
- regularized least squares
- joint optimization
- compressed sensing
- sparse reconstruction
- sparse approximations
- dimensionality reduction
- natural images
- test images
- knn
- object recognition