Publications associées à Texture (image de synthèse)

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Fast Texture Segmentation Model based on the Shape Operator and Active Contour

Jean-Philippe Thiran, Xavier Bresson, Nawal Houhou

We present an approach for unsupervised segmentation of natural and textural images based on active contour, differential geometry and information theoretical concept. More precisely, we propose a new texture descriptor which intrinsically defines the geom ...

2008

Shape from Texture for Omnidirectional Images

Pierre Vandergheynst, Luigi Bagnato, Laurent Jacques, Eugenio De Vito

In this paper, we describe a method to infer 3-D scene information using a single view captured by an omnidirectional camera. The proposed technique is inscribed in the so called ``Shape from Texture'' problem : if the textures hold by 3-D surfaces respect ...

2008

Hybrid, metric-topological representation for localization and mapping

Nicola Tomatis

This chapter describes an approach for indoor spatial representation, which is used to model the environment for the navigation of a fully autonomous robot. The metric and topological paradigms are integrated in a hybrid system for both localization and ma ...

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2008

Crowding is modulated by global stimulus configuration

Michael Herzog, Bilge Sayim, Toni Saarela

In crowding, neighbouring elements impair the perception of a target. Crowding is often considered a consequence of spatial pooling of visual information. We investigated the role of configural effects in crowding by manipulating the global stimulus config ...

2008

Analytical Force Determination in an Electromagnetic Actuator

Yves Perriard, Marcel Jufer, Miroslav Markovic

We present an original analytical determination of the force acting on the moving coil in an electromagnetic actuator. The actuator magnetic field is solved analytically by Schwarz-Christoffel (SC) mapping. The SC integral is solved analytically using the ...

2008

Configural modulation of crowding

Michael Herzog, Bilge Sayim, Toni Saarela

The ability to make judgments about a peripheral target stimulus can be impaired when the target is surrounded by flanking stimuli. This effect is called crowding. Crowding is often related to relatively simple low-level mechanisms that pool visual informa ...

Association for Research in Vision and Ophthalmology2008

Keypoint Signatures for Fast Learning and Recognition

Pascal Fua, Vincent Lepetit, Michael Calonder

Statistical learning techniques have been used to dramatically speed-up keypoint matching by training a classifier to recognize a specific set of keypoints. However, the training itself is usually relatively slow and performed offline. Although methods hav ...

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2008

Near-obstacle flight with small UAVs

Dario Floreano, Jean-Christophe Zufferey, Antoine Beyeler

Autonomous flight in confined or cluttered environments such as houses or urban canyons requires high manoeuvrability, fast mapping from sensors to actuators and very limited overall system weight. Although flying animals are well capable of solving this p ...

Springer Verlag2008

Texture (image de synthèse)

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Parallel mesh adaptive techniques for complex flow simulation

Fast Texture Segmentation Model based on the Shape Operator and Active Contour

Shape from Texture for Omnidirectional Images

Off-axis texture in nanostructured Ti1-xAlxN thin films

Hybrid, metric-topological representation for localization and mapping

Crowding is modulated by global stimulus configuration

Analytical Force Determination in an Electromagnetic Actuator

Configural modulation of crowding

Keypoint Signatures for Fast Learning and Recognition

Near-obstacle flight with small UAVs

Parallel mesh adaptive techniques for complex flow simulation

Fast Texture Segmentation Model based on the Shape Operator and Active Contour

Hybrid, metric-topological representation for localization and mapping

Analytical Force Determination in an Electromagnetic Actuator

Shape from Texture for Omnidirectional Images

Off-axis texture in nanostructured Ti1-xAlxN thin films

Crowding is modulated by global stimulus configuration

Configural modulation of crowding

Keypoint Signatures for Fast Learning and Recognition

Near-obstacle flight with small UAVs