20 search results - page 1 / 4 » On Ridges and Valleys |
DICTA
2007
13 years 5 months ago
2007
The extraction of “Level 2” detail — ridge terminations, ridge bifurcations, bridges etc. — from digitised images of fingerprints requires an accurate segmentation of the...
ICPR
2000
IEEE
13 years 8 months ago
2000
IEEE
Ridges and valleys are earth’s relief structures. They can have an imaging counterpart provided we model a digital image as a landscape by considering grey level values as heigh...
VISUALIZATION
1995
IEEE
13 years 7 months ago
1995
IEEE
There are many applications that can benefit from the simultaneous display of multiple layers of data. The objective in these cases is to render the layered surfaces in a such way...
ICIP
1999
IEEE
14 years 5 months ago
1999
IEEE
We proposea new ngerprint imagecompressionscheme based on the hybrid model of image. Our scheme uses the essential steps of a typical automated ngerprint identi cation system (AFI...
ICPR
2000
IEEE
13 years 8 months ago
2000
IEEE
We present a novel approach for extraction of minutiaefeatures from fingerprint images. Theproposed approach is based on the use of logical templates for minutiae extraction in th...