Keyphrases
- outlier detection
- image enhancement
- image processing
- fraud detection
- detection algorithm
- contrast enhancement
- knowledge discovery
- data streams
- image analysis
- credit card fraud detection
- density ratio estimation
- edge detection
- density estimation
- histogram equalization
- image contrast enhancement
- high dimensional datasets
- unsharp masking
- detect outliers
- data mining
- detecting outliers
- distance based outlier detection
- color image enhancement
- homomorphic filtering
- minutiae extraction
- machine learning