Fingerprint Image Enhancement Based on Second Directional Derivative of the Digital Image.
Marius TicoVesa OnniaPauli KuosmanenPublished in: EURASIP J. Adv. Signal Process. (2002)
Keyphrases
- image enhancement
- digital images
- minutiae extraction
- fingerprint images
- fingerprint identification
- digital image processing
- image processing
- digital camera
- image analysis
- edge detection
- fingerprint recognition
- fingerprint matching
- histogram equalization
- fingerprint verification
- contrast enhancement
- grayscale images
- singular points
- jpeg compression
- computer vision
- feature extraction
- fractional differential
- digital imaging