Using Sparse Representation to Detect Anomalies in Complex WSNs.
Xiaoming LiGuangquan XuXi ZhengKaitai LiangEmmanouil PanaousisTao LiWei WangChao ShenPublished in: ACM Trans. Intell. Syst. Technol. (2019)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- detect anomalies
- image patches
- compressed sensing
- image classification
- anomaly detection
- random projections
- compressive sensing
- wireless sensor networks
- image representation
- face recognition
- regularized least squares
- sparse reconstruction
- sparse approximations
- negative matrix factorization
- reconstruction error
- signal processing
- sensor networks
- joint optimization
- norm minimization
- sparse coefficients
- test images
- high dimensional data
- nearest neighbor
- active learning
- multiscale
- image segmentation
- neural network