Anomaly-Based DDoS Attack Detection by Using Sparse Coding and Frequency Domain.

Ramin Fadaei Fouladi Orhan Ermis Emin Anarim

Published 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