Keyphrases
- singular points
- fingerprint matching
- fingerprint images
- fingerprint recognition
- fingerprint verification
- minutiae extraction
- fingerprint authentication
- fingerprint identification
- orientation field
- fingerprint classification
- endpoints
- reference points
- scale space
- image enhancement
- feature points
- point sets
- reference point
- smart card
- hough transform
- keypoints
- sample points
- poor quality
- critical points
- matching algorithm
- liveness detection