Dictionary Learning with Uniform Sparse Representations for Anomaly Detection.
Paul IroftiCristian RusuAndrei PatrascuPublished in: CoRR (2022)
Keyphrases
- anomaly detection
- dictionary learning
- sparse representation
- sparse coding
- intrusion detection
- image super resolution
- face recognition
- sparse codes
- image patches
- group sparsity
- intrusion detection system
- unsupervised learning
- negative matrix factorization
- random projections
- image classification
- detect anomalies
- single image super resolution
- signal processing
- sparsity constraints
- bag of words
- high dimensional data
- image representation
- compressive sensing
- supervised learning
- computer vision