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COMGEO
2006
ACM
15 years 1 months ago
Computing homotopic shortest paths efficiently
Geometric shortest paths are a major topic in computational geometry; see the survey paper by Mitchell [12]. A shortest path between two points in a simple polygon can be found in...
Alon Efrat, Stephen G. Kobourov, Anna Lubiw
ICIP
2001
IEEE
16 years 3 months ago
Anti-geometric diffusion for adaptive thresholding and segmentation
In this paper, we present a novel adaptive thresholding technique based upon an anisotropic diffusionmodel, whichmay be referred to as the anti-geometric heat flow. In contrast to...
Siddharth Manay, Anthony J. Yezzi
ICDE
2004
IEEE
94views Database» more  ICDE 2004»
16 years 3 months ago
A Probabilistic Approach to Metasearching with Adaptive Probing
An ever increasing amount of valuable information is stored in Web databases, "hidden" behind search interfaces. To save the user's effort in manually exploring eac...
Zhenyu Liu, Chang Luo, Junghoo Cho, Wesley W. Chu
GIS
2005
ACM
16 years 2 months ago
Improving the R*-tree with outlier handling techniques
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
Tian Xia, Donghui Zhang
DAC
2002
ACM
16 years 2 months ago
Watermarking integer linear programming solutions
Linear programming (LP) in its many forms has proven to be an indispensable tool for expressing and solving optimization problems in numerous domains. We propose the first set of ...
Seapahn Megerian, Milenko Drinic, Miodrag Potkonja...