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» A finite element method for surface restoration with smooth ...

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Publication

323views

Shape from shading with a linear triangular element surface model

15 years 10 days ago

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We propose to combine a triangular element surface model with a linearized reflectance map to formulate the shape-from-shading problem. The main idea is to approximate a smooth sur...

Kyoung Mu Lee (Seoul National University), C.-C. J...

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MOC
2002

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Each averaging technique yields reliable a posteriori error control in FEM on unstructured grids. Part II: Higher order FEM

13 years 7 months ago

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Averaging techniques are popular tools in adaptive finite element methods since they provide efficient a posteriori error estimates by a simple postprocessing. In the second paper ...

Sören Bartels, Carsten Carstensen

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JSCIC
2006

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An Improvement of a Recent Eulerian Method for Solving PDEs on General Geometries

13 years 7 months ago

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We improve upon a method introduced in (Bertalmio et. al. JCP 2001) for solving evolution PDEs on codimension-one surfaces in RN. As in the original method, by representing the su...

John B. Greer

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AMC
2004

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A variational approach to magnetic resonance coil sensitivity estimation

13 years 7 months ago

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Abstract. A variational method for estimating a magnetic resonance coil sensitivity from its corresponding nonuniform illumination of magnetic resonance images is proposed and anal...

Stephen L. Keeling, Roland Bammer

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Publication

338views

A Reference Discretization Strategy for the Numerical Solution of Physical Field Problems.

12 years 5 months ago