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CVPR
1998
IEEE
15 years 4 days ago
Elliptical Head Tracking Using Intensity Gradients and Color Histograms
An algorithm for tracking a person's head is presented. The head's projection onto the image plane is modeled as an ellipse whose position and size are continually updat...
Stan Birchfield
ADHOC
2007
137views more  ADHOC 2007»
13 years 10 months ago
"MeshUp": Self-organizing mesh-based topologies for next generation radio access networks
The phenomenal growth in wireless technologies has brought about a slew of new services. Incumbent with the new technology is the challenge of providing flexible, reconfigurable...
Samik Ghosh, Kalyan Basu, Sajal K. Das
INFOCOM
2003
IEEE
14 years 3 months ago
Robust Location Detection in Emergency Sensor Networks
— We propose a new framework for providing robust location detection in emergency response systems, based on the theory of identifying codes. The key idea of this approach is to ...
Saikat Ray, Rachanee Ungrangsi, Francesco De Pelle...
ICWS
2008
IEEE
13 years 11 months ago
A Theory of Role Composition
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
Jeffrey Fischer, Rupak Majumdar
DSN
2008
IEEE
13 years 12 months ago
Reliability of flat XOR-based erasure codes on heterogeneous devices
XOR-based erasure codes are a computationallyefficient means of generating redundancy in storage systems. Some such erasure codes provide irregular fault tolerance: some subsets o...
Kevin M. Greenan, Ethan L. Miller, Jay J. Wylie