Dictionary Learning with Uniform Sparse Representations for Anomaly Detection.
Paul IroftiCristian RusuAndrei PatrascuPublished in: ICASSP (2022)
Keyphrases
- anomaly detection
- dictionary learning
- sparse representation
- sparse coding
- intrusion detection
- image super resolution
- image classification
- face recognition
- image representation
- unsupervised learning
- high dimensional data
- image patches
- group sparsity
- single image super resolution
- intrusion detection system
- negative matrix factorization
- random projections
- compressive sensing
- dimensionality reduction
- test images
- sparsity constraints
- probabilistic model
- sparse codes
- data mining