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TOG
2008
127views more  TOG 2008»
14 years 9 months ago
Freeform surfaces from single curved panels
Motivated by applications in architecture and manufacturing, we discuss the problem of covering a freeform surface by single curved panels. This leads to the new concept of semi-d...
Helmut Pottmann, Alexander Schiftner, Pengbo Bo, H...
ACSAC
2000
IEEE
15 years 1 months ago
Dynamic Access Control through Petri Net Workflows
Access control is an important protection mechanism for information systems. An access control matrix grants subjects privileges to objects. Today, access control matrices are sta...
Konstantin Knorr
SMA
2003
ACM
115views Solid Modeling» more  SMA 2003»
15 years 3 months ago
Estimating the in/out function of a surface represented by points
We present a method to estimate the in/out function of a closed surface represented by an unorganized set of data points. From the in/out function, we compute an approximation of ...
Vinícius Mello, Luiz Velho, Gabriel Taubin
CVRMED
1997
Springer
15 years 1 months ago
Medical image segmentation using topologically adaptable surfaces
E cient and powerful topologically adaptable deformable surfaces can be created by embedding and de ning discrete deformable surface models in terms of an A ne Cell Decomposition (...
Tim McInerney, Demetri Terzopoulos
CAD
2008
Springer
14 years 9 months ago
Detecting approximate symmetries of discrete point subsets
Detecting approximate symmetries of parts of a model is important when attempting to determine the geometric design intent of approximate boundary-representation (B-rep) solid mod...
Ming Li, Frank C. Langbein, Ralph R. Martin