Keyphrases
- image enhancement
- image processing
- image processing and analysis
- digital image processing
- image analysis
- numerical analysis
- edge detection
- contrast enhancement
- unsharp masking
- histogram equalization
- median filter
- noise removal
- partial differential equations
- color image enhancement
- transfer function
- image contrast enhancement
- gamma correction
- pattern recognition
- multiscale
- minutiae extraction
- computer vision