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» On Efficient Spatial Matching
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SGP
2007
15 years 9 months ago
Constraint-based fairing of surface meshes
We propose a constraint-based method for the fairing of surface meshes. The main feature of our approach is that the resulting smoothed surface remains within a prescribed distanc...
Klaus Hildebrandt, Konrad Polthier
ECAI
2008
Springer
15 years 8 months ago
Extending the Knowledge Compilation Map: Closure Principles
We extend the knowledge compilation map introduced by Darwiche and Marquis with new propositional fragments obtained by applying closure principles to several fragments studied so...
Hélène Fargier, Pierre Marquis
MVA
2007
15 years 8 months ago
Periodic Pattern Inspection Using Convolution Masks
A two-dimensional (2-D) convolution mask is proposed for detecting the location of irregularities and defects in a periodic two-dimensional signal or image. In this approach, defe...
Y. S. Weng, Ming-Hwei Perng
BMVC
1998
15 years 8 months ago
ORASSYLL: Object Recognition with Autonomously Learned and Sparse Symbolic Representations Based on Local Line Detectors
We introduce an object recognition system in which objects are represented as a sparse and spatially organized set of local (bent) line segments. The line segments correspond to b...
Norbert Krüger, Niklas Lüdtke
JSCIC
2008
98views more  JSCIC 2008»
15 years 6 months ago
A Posteriori Error Estimates for Parabolic Variational Inequalities
We study a posteriori error estimates in the energy norm for some parabolic obstacle problems discretized with a Euler implicit time scheme combined with a finite element spatial ...
Yves Achdou, Frédéric Hecht, David P...