20 search results - page 4 / 4 » Conjugate gradient method for dual-dual mixed formulations |
SIAMSC
2008
13 years 5 months ago
2008
We present a compact discontinuous Galerkin (CDG) method for an elliptic model problem. The problem is first cast as a system of first order equations by introducing the gradient o...
ESANN
2006
13 years 6 months ago
2006
Random Forests were introduced by Breiman for feature (variable) selection and improved predictions for decision tree models. The resulting model is often superior to AdaBoost and ...
ICIP
2003
IEEE
14 years 7 months ago
2003
IEEE
Dueto diffuse nature of lightphotons, Diffuse Optical Tomography (DOT) image reconstruction is a challenging 3D problem with a relatively large number of unknowns and limited meas...
SIAMSC
2008
13 years 5 months ago
2008
Abstract. We present a multigrid algorithm for the solution of distributed parameter inverse problems constrained by variable-coefficient linear parabolic partial differential equa...
MICCAI
2005
Springer
14 years 6 months ago
2005
Springer
In this paper, we present a novel deformable registration algorithm for diffusion tensor MR images that enables explicit optimization of tensor reorientation. The optimization see...