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CVPR
2010
IEEE
14 years 5 months ago
Estimation of Image Bias Field with Sparsity Constraints
We propose a new scheme to estimate image bias field through introducing two sparsity constraints. One is that the bias-free image has concise representation with image gradients o...
Yuanjie Zheng and James C. Gee
FOSSACS
2007
Springer
14 years 2 months ago
PDL with Intersection and Converse Is 2 EXP-Complete
We study the complexity of satisfiability for the expressive extension ICPDL of PDL (Propositional Dynamic Logic), which admits intersection and converse as program operations. Ou...
Stefan Göller, Markus Lohrey, Carsten Lutz
PNPM
1989
14 years 21 days ago
SPNP: Stochastic Petri Net Package
We present SPNP, a powerful GSPN package developed at Duke University. SPNP allows the modeling of complex system behaviors. Advanced constructs are available, such as markingdepe...
Gianfranco Ciardo, Jogesh K. Muppala, Kishor S. Tr...
DEDS
2010
88views more  DEDS 2010»
13 years 8 months ago
On the Performance Evaluation of Multi-Guarded Marked Graphs with Single-Server Semantics
In discrete event systems, a given task can start executing when all the required input data are available. The required input data for a given task may change along the evolution...
Jorge Júlvez, Jordi Cortadella, Michael Kis...
IFE
2002
69views more  IFE 2002»
13 years 8 months ago
Generierung interaktiver Animationen von Berechnungsmodellen
In this article we introduce two new generative approaches of animated computational models. These approaches are applied in context of educational software systems for compiler de...
Stephan Diehl, Andreas Kerren