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» Extremal Optimization: Methods derived from Co-Evolution
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CAGD
2006
103views more  CAGD 2006»
13 years 8 months ago
The implicit structure of ridges of a smooth parametric surface
Given a smooth surface, a blue (red) ridge is a curve such that at each of its points, the maximum (minimum) principal curvature has an extremum along its curvature line. Ridges a...
Frédéric Cazals, Jean-Charles Faug&e...
ECCV
2006
Springer
14 years 10 months ago
Region Covariance: A Fast Descriptor for Detection and Classification
We describe a new region descriptor and apply it to two problems, object detection and texture classification. The covariance of d-features, e.g., the three-dimensional color vecto...
Oncel Tuzel, Fatih Porikli, Peter Meer
CGI
2003
IEEE
14 years 2 months ago
Modeling lobed leaves
In contrast to the extensively researched modeling of plant architecture, the modeling of plant organs largely remains an open problem. In this paper, we propose a method for mode...
Lars Mündermann, Peter MacMurchy, Juraj Pivov...
CORR
2010
Springer
133views Education» more  CORR 2010»
13 years 8 months ago
Computational efficiency of fractional diffusion using adaptive time step memory
Abstract: Numerical solutions to fractional differential equations can be extremely computationally intensive due to the effect of non-local derivatives in which all previous time ...
Brian P. Sprouse, Christopher L. MacDonald, Gabrie...
COMBINATORICS
2000
84views more  COMBINATORICS 2000»
13 years 8 months ago
A Note on the Asymptotic Behavior of the Heights in b-Tries for b Large
We study the limiting distribution of the height in a generalized trie in which external nodes are capable to store up to b items (the so called b-tries). We assume that such a tr...
Charles Knessl, Wojciech Szpankowski