Abnormal event detection in surveillance videos based on low-rank and compact coefficient dictionary learning.
Ang LiZhenjiang MiaoYigang CenXiao-Ping ZhangLinna ZhangShiming ChenPublished in: Pattern Recognit. (2020)
Keyphrases
- low rank
- dictionary learning
- group sparsity
- sparse coding
- linear combination
- sparse representation
- convex optimization
- missing data
- matrix factorization
- semi supervised
- high dimensional data
- singular value decomposition
- object tracking
- video surveillance
- video data
- high order
- natural images
- image classification
- signal processing
- pattern recognition
- unsupervised learning
- video sequences
- image patches