2265 search results - page 39 / 453 » On the Power of Local Orientations |
ICPR
2000
IEEE
14 years 1 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...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
The paper makes a short presentation of three existing methods for estimation of orientation tensors, the so-called structure tensor, quadrature filter based techniques, and techn...
ECCV
2002
Springer
14 years 10 months ago
2002
Springer
Recent results on sparse coding and independent component analysis suggest that human vision first represents a visual image by a linear superposition of a relatively small number ...
ICPR
2002
IEEE
14 years 9 months ago
2002
IEEE
In this paper we present a novel method to estimate curvature of iso grey-level surfaces in grey-value images. Our method succeeds where isophote curvature fails. There is neither...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— An orientation model provides an analytical means for describing fingerprint ridge orientations. It can help in data storage and recovery as well as other possible communicati...