137 search results - page 23 / 28 » Estimating Entropy and Entropy Norm on Data Streams |
JMIV
2006
14 years 9 months ago
2006
In this paper, we propose to focus on the segmentation of vectorial features (e.g. vector fields or color intensity) using region-based active contours. We search for a domain that...
PODS
2010
ACM
15 years 2 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
ECCV
2002
Springer
15 years 11 months ago
2002
Springer
We address the problem of face recognition from a large set of images obtained over time - a task arising in many surveillance and authentication applications. A set or a sequence ...
PKDD
2009
Springer
15 years 4 months ago
2009
Springer
We consider causally sufficient acyclic causal models in which the relationship among the variables is nonlinear while disturbances have linear effects, and show that three princi...
SICHERHEIT
2008
14 years 11 months ago
2008
We specify a system for authentication and key derivation using genetic fingerprints which prevents the recovery of biometric information from data stored for verification. We pre...