Practical autoencoder based anomaly detection by using vector reconstruction error.
Hasan TorabiSeyedeh Leili MirtaheriSergio GrecoPublished in: Cybersecur. (2023)
Keyphrases
- anomaly detection
- reconstruction error
- intrusion detection
- sparse representation
- sparse coding
- singular value decomposition
- detecting anomalies
- anomalous behavior
- unsupervised learning
- reconstructed image
- intrusion detection system
- one class support vector machines
- superpixels
- classification error
- filter bank
- subband
- image reconstruction
- neural network
- image compression
- image classification
- wavelet transform
- optical flow
- pairwise
- detect anomalies
- objective function
- multiscale