A Fraud Detection Method for Low-Frequency Transaction.
Zhaohui ZhangLigong ChenQiuwen LiuPengwei WangPublished in: IEEE Access (2020)
Keyphrases
- detection method
- low frequency
- high frequency
- transaction data
- frequency domain
- face detection
- detection algorithm
- wavelet transform
- fraud detection
- subband
- wavelet coefficients
- anomaly detection
- discrete wavelet transform
- online marketplaces
- frequency band
- feature detection
- low and high frequency
- high frequency components
- original images
- electromagnetic fields
- outlier detection
- feature extraction
- high resolution
- fusion rules
- multiscale