Anomaly-Based DDoS Attack Detection by Using Sparse Coding and Frequency Domain.
Ramin Fadaei FouladiOrhan ErmisEmin AnarimPublished in: PIMRC (2019)
Keyphrases
- frequency domain
- attack detection
- sparse coding
- intrusion detection system
- anomaly detection
- intrusion detection
- natural images
- unsupervised learning
- dictionary learning
- multistage
- spatial domain
- sparse representation
- image classification
- linear combination
- denoising
- generative model
- ddos attacks
- image representation
- cyber attacks
- feature space
- feature extraction
- high dimensional
- image patches
- cyber security
- machine learning
- visual words
- subband
- pattern recognition
- image segmentation
- feature selection
- probabilistic model
- dimensionality reduction
- data mining