Stock Fluctuations Anomaly Detection Based on Wavelet Modulus Maxima.
Zhijun FangGuihua LuoShenghua XuFengchang FeiPublished in: BIFE (2009)
Keyphrases
- anomaly detection
- modulus maxima
- wavelet transform
- wavelet analysis
- gaussian function
- wavelet coefficients
- multiscale
- multiresolution
- intrusion detection
- subband
- image compression
- network anomaly detection
- detecting anomalies
- anomalous behavior
- negative selection algorithm
- intrusion detection system
- network intrusion detection
- network traffic
- low frequency
- unsupervised anomaly detection
- network security
- feature extraction
- detect anomalies
- high frequency
- unsupervised learning
- detecting anomalous
- behavior analysis
- normal behavior
- feature detection
- data mining
- adverse effect
- image processing
- machine learning