Unsupervised Anomaly Detection Using Variational Auto-Encoder based Feature Extraction.
Rong YaoChongdang LiuLinxuan ZhangPeng PengPublished in: ICPHM (2019)
Keyphrases
- feature extraction
- unsupervised anomaly detection
- anomaly detection
- semi supervised
- intrusion detection
- feature vectors
- image classification
- frequency domain
- image segmentation
- face recognition
- preprocessing
- rate distortion
- bit rate
- video compression
- low complexity
- image processing
- extracted features
- optical flow
- linear discriminant analysis
- pattern mining
- feature selection
- dimensionality reduction
- texture analysis
- texture features
- motion estimation
- wavelet transform
- feature space
- support vector machine svm
- computational complexity
- gabor filters
- real world
- variational methods
- video codec
- principal component analysis