Publications associées à Improving hand and wrist activity detection using tactile sensors and tensor regression methods on Riemannian manifolds

Laplacian Operator, Diffusion Flow and Active Contour on non-Euclidean Images

Jean-Philippe Thiran, Pierre Vandergheynst, Xavier Bresson, Iva Bogdanova Vandergheynst

We propose here some basic approaches to direct processing of the

360^o

-images as we take into consideration the geometry of each one. Obviously, the geometry of each of these images is a consequence of the geometry of the sensor's mirror used. This tech ...

2005

Optimal control of geodesics in Riemannian manifolds

Klaus-Dieter Semmler, Roland Rozsnyo

Summary: We present a method based on an optimal control technique for numerical computations of geodesic paths between two fixed points of a Riemannian manifold under the assumption of existence. In this method, the control variable is the tangent vector ...

2004

Global regularity of wave maps from $R^{3+1}$ to surfaces

Joachim Krieger

We consider Wave Maps with smooth compactly supported initial data of small (H) over dot (3/2)-norm from R3+1 to certain 2-dimensional Riemannian manifolds and show that they stay smooth globally in time. Our methods are based on the introduction of a glob ...

Springer Verlag2003

Planar arrangement of high-dimensional biomedical data sets by isomap coordinates

Daniel Thalmann, Sofiane Sarni, Pablo Stanislaw De Heras Ciechomski, Ik Soo Lim

This article addresses 2-dimensional layout of high-dimensional biomedical datasets, which is useful for browsing them efficiently We employ the isomap technique, which is based on classical MDS (multi-dimensional scaling) but seeks to preserve the intrins ...

IEEE2003

Planar arrangement of high-dimensional biomedical data sets by Isomap coordinates

Daniel Thalmann, Sofiane Sarni, Pablo Stanislaw De Heras Ciechomski, Ik Soo Lim

This article addresses 2-dimensional layout of high-dimensional biomedical datasets, which is useful for browsing them efficiently. We employ the Isomap technique, which is based on classical MDS (multi-dimensional scaling) but seeks to preserve the intrin ...

Institute of Electrical and Electronics Engineers Computer Society2003

Planar arrangement of high-dimensional biomedical data sets by isomap coordinates

Daniel Thalmann, Sofiane Sarni, Pablo Stanislaw De Heras Ciechomski

This article addresses 2-dimensional layout of high-dimensional biomedical datasets, which is useful for browsing them efficiently We employ the isomap technique, which is based on classical MDS (multi-dimensional scaling) but seeks to preserve the intrins ...

IEEE2003

Liouville type theorems for mappings with bounded (co)-distortion

Marc Troyanov

We obtain Liouville type theorems for mappings with bounded

s

-distorsion between Riemannian manifolds. Besides these mappings, we introduce and study a new class, which we call mappings with bounded

q

-codistorsion. ...

2002

Boundary behavior of quasi-regular maps and the isodiametric profile

Marc Troyanov

We study obstructions for a quasi-regular mapping f : M -> N of finite degree between Riemannian manifolds to blow up on or collapse on a non-trivial part of the boundary of M. ...

2001

The Schwarz lemma for nonpositively curved Riemannian surfaces

Marc Troyanov

In this paper, we prove that if f is a conformal map between two Riemannian surfaces, and if the curvature of the target is nonpositive and less than or equal to the curvature of the source, then the map is contracting. ...

1991

Some Universal Estimates on Eigenvalues of orientable Riemannian Surfaces.

Marc Troyanov

We give some upper bounds for eigenvalues on complete orientable Riemannian Surfaces depending only on a lower bound on the curvature. ...

1990

Improving hand and wrist activity detection using tactile sensors and tensor regression methods on Riemannian manifolds

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Laplacian Operator, Diffusion Flow and Active Contour on non-Euclidean Images

Optimal control of geodesics in Riemannian manifolds

Global regularity of wave maps from $R^{3+1}$ to surfaces

Planar arrangement of high-dimensional biomedical data sets by isomap coordinates

Planar arrangement of high-dimensional biomedical data sets by Isomap coordinates

Planar arrangement of high-dimensional biomedical data sets by isomap coordinates

Liouville type theorems for mappings with bounded (co)-distortion

Boundary behavior of quasi-regular maps and the isodiametric profile

The Schwarz lemma for nonpositively curved Riemannian surfaces

Some Universal Estimates on Eigenvalues of orientable Riemannian Surfaces.

Laplacian Operator, Diffusion Flow and Active Contour on non-Euclidean Images

Optimal control of geodesics in Riemannian manifolds

Global regularity of wave maps from $R^{3+1}$ to surfaces

Liouville type theorems for mappings with bounded (co)-distortion

Some Universal Estimates on Eigenvalues of orientable Riemannian Surfaces.

The Schwarz lemma for nonpositively curved Riemannian surfaces

Planar arrangement of high-dimensional biomedical data sets by isomap coordinates

Planar arrangement of high-dimensional biomedical data sets by isomap coordinates

Planar arrangement of high-dimensional biomedical data sets by Isomap coordinates

Boundary behavior of quasi-regular maps and the isodiametric profile