Keyphrases
- discrete wavelet transform
- fraud detection
- outlier detection
- multiresolution
- credit card fraud detection
- high frequency
- cost sensitive
- wavelet domain
- wavelet coefficients
- image fusion
- credit card
- subband
- data mining techniques
- social network analysis
- data mining
- feature vectors
- low frequency
- intrusion detection
- online auctions
- dual tree
- haar wavelet transform
- image data
- multiscale
- social networks
- palmprint
- spatial domain
- wavelet transform
- multi class
- knowledge discovery
- complex wavelet transform