Direct gray scale ridge reconstruction in fingerprint images.
Carlotta DomeniconiSibel TariPing LiangPublished in: ICASSP (1998)
Keyphrases
- gray scale
- singular points
- fingerprint images
- orientation field
- gray scale images
- fingerprint identification
- fingerprint recognition
- binary images
- color images
- fingerprint matching
- mathematical morphology
- fingerprint classification
- scale space
- image reconstruction
- gray level
- low quality
- morphological operations
- inverse halftoning
- poor quality
- image enhancement
- hough transform
- minutiae extraction
- reference point
- fingerprint verification
- high resolution
- zero crossing
- velocity field
- error diffusion
- gabor filters
- input image
- medical images
- image sequences