Keyphrases
- image enhancement
- minutiae extraction
- fingerprint images
- fingerprint identification
- image processing
- image analysis
- edge detection
- fingerprint recognition
- color image enhancement
- median filter
- image processing and analysis
- contrast enhancement
- image contrast enhancement
- histogram equalization
- partial differential equations
- fingerprint verification
- homomorphic filtering
- fingerprint matching
- singular points
- enhanced image
- poor quality
- transfer function
- signal to noise ratio
- wavelet transform
- image features
- gamma correction
- computer vision