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ICDCIT
2004
Springer
15 years 3 months ago
Automatic Enforcement of Access Control Policies Among Dynamic Coalitions
The need to securely share information on an ad-hoc basis between collaborating entities is increasingly becoming important. We propose a coalition based access control model (CBAC...
Vijayalakshmi Atluri, Janice Warner
VISUALIZATION
1995
IEEE
15 years 1 months ago
Enhancing Transparent Skin Surfaces with Ridge and Valley Lines
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...
Victoria Interrante, Henry Fuchs, Stephen M. Pizer
AVI
2004
14 years 11 months ago
Observing and adapting user behavior in navigational 3D interfaces
In a navigation-oriented interaction paradigm, such as desktop, mixed and augmented virtual reality, recognizing the user needs is a valuable improvement, provided that the system...
Augusto Celentano, Fabio Pittarello
CVPR
2012
IEEE
13 years 9 days ago
Single image multimaterial estimation
Estimating the reflectance and illumination from a single image becomes particularly challenging when the object surface consists of multiple materials. The key difficulty lies ...
Stephen Lombardi, Ko Nishino
ICDCS
2007
IEEE
15 years 4 months ago
A Virtual Node-Based Tracking Algorithm for Mobile Networks
— We introduce a virtual-node based mobile object tracking algorithm for mobile sensor networks, VINESTALK. The algorithm uses the Virtual Stationary Automata programming layer, ...
Tina Nolte, Nancy A. Lynch