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CVIU
2008
13 years 9 months ago
2008
The visual hull relates the shape of an object to its silhouettes. This paper develops the theory of the visual hull of piecewise smooth objects, as those used in CAD applications...
ENTCS
2006
13 years 9 months ago
2006
Data integration systems provide a uniform query interface (UQI) to multiple, autonomous data sources [4]. This paper presents the universal data model (UDM) that captures the sem...
ENTCS
2007
13 years 9 months ago
2007
In this paper we propose a formalization of access control policies based on term rewriting. The state of the system to which policies are enforced is represented as an algebraic ...
SIAMCO
2008
13 years 9 months ago
2008
Abstract. When applying methods of optimal control to motion planning or stabilization problems, some theoretical or numerical difficulties may arise, due to the presence of specif...
SMA
2008
ACM
13 years 9 months ago
2008
ACM
In order to deal with the heavy trend in size increase of volumetric datasets, research in isosurface extraction has focused in the past few years on related aspects such as surfa...