Noise Robust Acoustic Anomaly Detection System with Nonnegative Matrix Factorization Based on Generalized Gaussian Distribution.
Akihito AibaMinoru YoshidaDaichi KitamuraShinnosuke TakamichiHiroshi SaruwatariPublished in: IEICE Trans. Inf. Syst. (2021)
Keyphrases
- anomaly detection
- nonnegative matrix factorization
- intrusion detection
- matrix factorization
- generalized gaussian distribution
- negative matrix factorization
- data representation
- least squares
- unsupervised learning
- detect anomalies
- multiscale
- image sequences
- principal component analysis
- spectral clustering
- optical flow
- high dimensional
- pattern recognition
- objective function
- face recognition