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» Property Testing with Geometric Queries
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STOC
2006
ACM
168views Algorithms» more  STOC 2006»
14 years 7 months ago
A combinatorial characterization of the testable graph properties: it's all about regularity
A common thread in all the recent results concerning the testing of dense graphs is the use of Szemer?edi's regularity lemma. In this paper we show that in some sense this is...
Noga Alon, Eldar Fischer, Ilan Newman, Asaf Shapir...
CVIU
2007
120views more  CVIU 2007»
13 years 7 months ago
A comparison of Gaussian and mean curvature estimation methods on triangular meshes of range image data
Estimating intrinsic geometric properties of a surface from a polygonal mesh obtained from range data is an important stage of numerous algorithms in computer and robot vision, co...
Evgeni Magid, Octavian Soldea, Ehud Rivlin
ESA
2008
Springer
92views Algorithms» more  ESA 2008»
13 years 9 months ago
How Reliable Are Practical Point-in-Polygon Strategies?
We experimentally study the reliability of geometric software for point location in simple polygons. As expected, the code we tested works very well for random query points. Howeve...
Stefan Schirra
NN
2002
Springer
119views Neural Networks» more  NN 2002»
13 years 7 months ago
Category regions as new geometrical concepts in Fuzzy-ART and Fuzzy-ARTMAP
In this paper we introduce novel geometric concepts, namely category regions, in the original framework of Fuzzy-ART (FA) and FuzzyARTMAP (FAM). The definitions of these regions a...
Georgios C. Anagnostopoulos, Michael Georgiopoulos
DBPL
1993
Springer
141views Database» more  DBPL 1993»
13 years 11 months ago
Some Properties of Query Languages for Bags
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...
Leonid Libkin, Limsoon Wong