Fingerprint ridge allocation in direct gray-scale domain.
Jeng-Horng ChangKuo-Chin FanPublished in: Pattern Recognit. (2001)
Keyphrases
- gray scale
- gray scale images
- binary images
- color images
- grayscale images
- gray level
- mathematical morphology
- singular points
- morphological operations
- bi level
- inverse halftoning
- structuring elements
- resource allocation
- feature extraction
- error diffusion
- histogram equalization
- fingerprint matching
- orientation field
- multiscale