Publications associées à NURBS

Isogeometric Analysis for Electromagnetic Problems

Annalisa Buffa, Rafael Vazquez Hernandez

Isogeometric analysis (IGA) is a novel discretization method, introduced by Hughes , which is based on nonuniform rational B-splines (NURBS). Among other features, IGA uses directly the geometry description coming from computer-aided design software withou ...

2010

A Stochastic Minimum-Norm Approach to Image and Texture Interpolation

Michaël Unser, Hagay Kirshner

We introduce an exponential-based consistent approach to image scaling. Our model stems from Sobolev reproducing kernels, motivated by their role in continuous-domain stochastic autoregressive processes. The proposed approach imposes consistency and applie ...

EURASIP2010

Monocular 3D Reconstruction of Locally Textured Surfaces

Pascal Fua, Mathieu Salzmann, Appu Shaji, Aydin Varol

Most recent approaches to monocular non-rigid 3D shape recovery rely on exploiting point correspondences and work best when the whole surface is well-textured. The alternative is to rely either on contours or shading information, which has only been demons ...

EPFL2010

Variational B-Spline Level-Set: A Linear Filtering Approach for Fast Deformable Model Evolution

Michaël Unser, Philippe Thévenaz, Olivier Bernard

In the field of image segmentation, most level-set-based active-contour approaches take advantage of a discrete representation of the associated implicit function. We present in this paper a different formulation where the implicit function is modeled as a ...

IEEE2009

Template-Free Monocular Reconstruction of Deformable Surfaces

Pascal Fua, Mathieu Salzmann, Engin Tola, Aydin Varol

It has recently been shown that deformable 3D surfaces could be recovered from single video streams. However, existing techniques either require a reference view in which the shape of the surface is known a priori, which often may not be available, or requ ...

2009

Variational B-Spline Level-Set Method for Fast Image Segmentation

Michaël Unser, Philippe Thévenaz

In the field of image segmentation, most of level-set-based active contour approaches are based on a discrete representation of the associated implicit function. We present in this paper a different formulation where the level-set is modelled as a continuo ...

IEEE2008

Comparison of two approaches to model the macromolecule spectrum for the quantification of short TE H-1 MRS spectra

Rolf Gruetter, Lijing Xin, Cristina Ramona Cudalbu

Accurate assessment of the macromolecule contributions in short echo-time proton MRS spectra is important for a reliable quantification of the neurochemical profile. The aim of the present study was to assess two approaches based on using LCModel, which ta ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2008

Implicit Meshes for Effective Silhouette Handling

Pascal Fua, Mathieu Salzmann, Slobodan Ilic

Using silhouettes in uncontrolled environments typically requires handling occlusions as well as changing or cluttered backgrounds, which limits the applicability of most silhouette based methods. For the purpose of 3--D shape modeling, we show that repres ...

Springer Verlag2007

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NURBS

Goal-Based Caustics

Isogeometric Analysis for Electromagnetic Problems

A Stochastic Minimum-Norm Approach to Image and Texture Interpolation

Monocular 3D Reconstruction of Locally Textured Surfaces

Variational B-Spline Level-Set: A Linear Filtering Approach for Fast Deformable Model Evolution

Template-Free Monocular Reconstruction of Deformable Surfaces

Geometrical reconstruction of curves and surfaces using NURBS

Variational B-Spline Level-Set Method for Fast Image Segmentation

Comparison of two approaches to model the macromolecule spectrum for the quantification of short TE H-1 MRS spectra

Implicit Meshes for Effective Silhouette Handling

Graph Chatbot

Chattez avec Graph Search

Goal-Based Caustics

Monocular 3D Reconstruction of Locally Textured Surfaces

A Stochastic Minimum-Norm Approach to Image and Texture Interpolation

Variational B-Spline Level-Set: A Linear Filtering Approach for Fast Deformable Model Evolution

Isogeometric Analysis for Electromagnetic Problems

Geometrical reconstruction of curves and surfaces using NURBS

Template-Free Monocular Reconstruction of Deformable Surfaces

Variational B-Spline Level-Set Method for Fast Image Segmentation

Comparison of two approaches to model the macromolecule spectrum for the quantification of short TE H-1 MRS spectra

Implicit Meshes for Effective Silhouette Handling