Sciweavers

186 search results - page 1 / 38
» A comparison of two optimization methods for mesh quality im...
Sort
View
EWC
2006
120views more  EWC 2006»
13 years 4 months ago
A comparison of two optimization methods for mesh quality improvement
We compare inexact Newton and block coordinate descent optimization methods for improving the quality of a mesh by repositioning the vertices, where the overall quality is measure...
Lori Freitag Diachin, Patrick M. Knupp, Todd S. Mu...
PROCEDIA
2010
75views more  PROCEDIA 2010»
13 years 3 months ago
Two derivative-free optimization algorithms for mesh quality improvement
High-quality meshes are essential in the solution of partial differential equations (PDEs), which arise in numerous science and engineering applications, as the mesh quality aff...
Jeonghyung Park, Suzanne M. Shontz
TVCG
2011
126views more  TVCG 2011»
12 years 11 months ago
A Comparison of Gradient Estimation Methods for Volume Rendering on Unstructured Meshes
—This paper presents a study of gradient estimation methods for rendering unstructured-mesh volume data. Gradient estimation is necessary for rendering shaded isosurfaces and spe...
Carlos D. Correa, Robert Hero, Kwan-Liu Ma
SMI
2007
IEEE
106views Image Analysis» more  SMI 2007»
13 years 11 months ago
Iterative Methods for Improving Mesh Parameterizations
We present two complementary methods for automatically improving mesh parameterizations and demonstrate that they provide a very desirable combination of efficiency and quality. ...
Shen Dong, Michael Garland
GECCO
2005
Springer
112views Optimization» more  GECCO 2005»
13 years 10 months ago
Two improved differential evolution schemes for faster global search
Differential evolution (DE) is well known as a simple and efficient scheme for global optimization over continuous spaces. In this paper we present two new, improved variants of D...
Swagatam Das, Amit Konar, Uday Kumar Chakraborty